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Mitsubishi Electric FR-A700 Instruction Manual

Fr-a700 series to 03460-na/09620-na/00330-n4/00170-n4.
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INVERTER
FR-A700

INSTRUCTION MANUAL

FR-A720-00030 to 03460-NA
FR-A740-00015 to 09620-NA
FR-A720-00030 to 00330-N4
FR-A740-00015 to 00170-N4
OUTLINE
WIRING
PRECAUTIONS FOR USE
OF THE INVERTER
PARAMETERS
PROTECTIVE FUNCTIONS
PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
SPECIFICATIONS
1
2
3
4
5
6
7

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   Summary of Contents for Mitsubishi Electric FR-A700

  • Page 1: Instruction Manual

    INVERTER FR-A700 INSTRUCTION MANUAL FR-A720-00030 to 03460-NA FR-A740-00015 to 09620-NA FR-A720-00030 to 00330-N4 FR-A740-00015 to 00170-N4 OUTLINE WIRING PRECAUTIONS FOR USE OF THE INVERTER PARAMETERS PROTECTIVE FUNCTIONS PRECAUTIONS FOR MAINTENANCE AND INSPECTION SPECIFICATIONS...
  • Page 2 Thank you for choosing this Mitsubishi Inverter. This Instruction Manual provides instructions for advanced use of the FR-A700 series inverters. Incorrect handling might cause an unexpected fault. Before using the inverter, always read this instruction manual and the Installation Guideline [IB-0600254ENG] packed with the product carefully to use the equipment to its optimum.
  • Page 3: Table Of Contents

    CONTENTS OUTLINE Product checking and parts identification ............2 Inverter and peripheral devices ................3 1.2.1 Peripheral devices ........................4 Method of removal and reinstallation of the front cover........6 Installation of the inverter and enclosure design ..........8 1.4.1 Inverter installation environment....................
  • Page 4 2.5.7 Connection of power regeneration converter (MT-RC) (FR-A720-02880 (FR-A740-01440) or more) ................53 2.5.8 Connection of the power factor improving DC reactor (FR-HEL) ..........53 PRECAUTIONS FOR USE OF THE INVERTER Noise and leakage currents ................56 3.1.1 Leakage currents and countermeasures ................. 56 3.1.2 Inverter-generated noises and their reduction techniques ............
  • Page 5 Torque control by real sensorless vector control, vector control ..... 118 4.5.1 Torque control ........................118 4.5.2 Setting procedure of real sensorless vector control (torque control) ........120 4.5.3 Setting procedure of vector control (torque control) ............121 4.5.4 Torque command (Pr. 803 to Pr. 806) .................. 122 4.5.5 Speed limit (Pr.
  • Page 6 4.11.3 Input compensation of multi-speed and remote setting (Pr. 28) ........... 170 4.11.4 Remote setting function (Pr. 59) ................... 170 4.12 Setting of acceleration/deceleration time and acceleration/deceleration pattern..............173 4.12.1 Setting of the acceleration and deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr.
  • Page 7 4.16.1 Speed display and speed setting (Pr. 37, Pr. 144, Pr. 505, Pr. 811) ........248 4.16.2 DU/PU, FM, AM terminal monitor display selection (Pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891) ................250 4.16.3 Reference of the terminal FM (pulse train output) and AM (analog voltage output) (Pr.
  • Page 8 4.23 Selection of operation mode and operation location ........308 4.23.1 Operation mode selection (Pr. 79)..................308 4.23.2 Operation mode at power on (Pr. 79, Pr. 340) ..............316 4.23.3 Operation command source and speed command source during communication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)..........317 4.24 Communication operation and setting ............
  • Page 9 4.30 Parameter copy and parameter verification ..........392 4.30.1 Parameter copy ........................392 4.30.2 Parameter verification......................393 4.31 Check and clear of the alarm history ............394 PROTECTIVE FUNCTIONS Reset method of protective function ............. 398 List of alarm display ..................399 Causes and corrective actions ...............
  • Page 10 6.2.2 Measurement of voltages and use of PT ................428 6.2.3 Measurement of currents....................... 429 6.2.4 Use of CT and transducer ..................... 429 6.2.5 Measurement of inverter input power factor ................429 6.2.6 Measurement of converter output voltage (across terminals P/+ - N/-) ......... 430 6.2.7 Measurement of inverter output frequency ................
  • Page 11: Outline

    <Abbreviations> DU ..........Operation panel (FR-DU07) PU..........Operation panel (FR-DU07) and parameter unit (FR-PU04/ FR-PU07) Inverter ........Mitsubishi inverter FR-A700 series FR-A700 .........Mitsubishi inverter FR-A700 series Pr..........Parameter Number PU operation......Operation using the PU (FR-DU07/FR-PU04/FR-PU07). External operation ....Operation using the control circuit signals Combined operation ....Combined operation using the PU (FR-DU07/FR-PU04/...
  • Page 12: Product Checking And Parts Identification

    Product checking and parts identification 1.1 Product checking and parts identification Unpack the inverter and check the capacity plate on the front cover and the rating plate on the inverter side face to ensure that the product agrees with your order and the inverter is intact. •...
  • Page 13: Inverter And Peripheral Devices

    Use within the permissible power supply be connected with a USB (Ver1. 1) cable. specifications of the inverter. (Refer to page 432) Inverter (FR-A700) The life of the inverter is influenced by Moulded case circuit breaker (MCCB) or ambient temperature.
  • Page 14: Peripheral Devices

    Inverter and peripheral devices 1.2.1 Peripheral devices Check the motor capacity of the inverter you purchased. Appropriate peripheral devices must be selected according to the capacity. Refer to the following list and prepare appropriate peripheral devices: 200V class Breaker Selection Input Side Magnetic Contactor *2,4 Motor Output...
  • Page 15 Inverter and peripheral devices 400V class Breaker Selection Input Side Magnetic Contactor *2,4 Motor Output Applicable Inverter Type Reactor connection Reactor connection (kW(HP)) without with without with 0.4 (1/2) FR-A740-00015-NA/N4 30AF 5A 30AF 5A S-N10 S-N10 0.75 (1) FR-A740-00025-NA/N4 30AF 5A 30AF 5A S-N10 S-N10...
  • Page 16: Method Of Removal And Reinstallation Of The

    Method of removal and reinstallation of the front cover 1.3 Method of removal and reinstallation of the front cover •Removal of the operation panel 1) Loosen the two screws on the operation panel. 2) Push the left and right hooks of the operation panel (These screws cannot be removed.) and pull the operation panel toward you to remove.
  • Page 17 Method of removal and reinstallation of the front cover FR-A720-01150 or more, FR-A740-00570 or more • Removal 1) Remove installation screws on 2) Loosen the installation 3) Pull the front cover 2 toward you to remove the front cover 1 to remove the screws of the front cover 2.
  • Page 18: Installation Of The Inverter And Enclosure Design

    Installation of the inverter and enclosure design 1.4 Installation of the inverter and enclosure design When an inverter enclosure is to be designed and manufactured, heat generated by contained equipment, etc., the environment of an operating place, and others must be fully considered to determine the enclosure structure, size and equipment layout.
  • Page 19 Installation of the inverter and enclosure design (3) Dust, dirt, oil mist Dust and dirt will cause such faults as poor contact of contact points, reduced insulation or reduced cooling effect due to moisture absorption of accumulated dust and dirt, and in-enclosure temperature rise due to clogged filter. In the atmosphere where conductive powder floats, dust and dirt will cause such faults as malfunction, deteriorated insulation and short circuit in a short time.
  • Page 20: Cooling System Types For Inverter Enclosure

    Installation of the inverter and enclosure design 1.4.2 Cooling system types for inverter enclosure From the enclosure that contains the inverter, the heat of the inverter and other equipment (transformers, lamps, resistors, etc.) and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure temperature lower than the permissible temperatures of the in-enclosure equipment including the inverter.
  • Page 21 Installation of the inverter and enclosure design (2) Clearances around the inverter To ensure ease of heat dissipation and maintenance, leave at least the shown clearances around the inverter. At least the following clearances are required under the inverter as a wiring space, and above the inverter as a heat dissipation space. (front) Ambient temperature and humidity Clearances...
  • Page 22 MEMO...
  • Page 23: Wiring

    WIRING This chapter describes the basic "WIRING" for use of this product. Always read the instructions before using the equipment 2.1 Wiring ..............14 2.2 Main circuit terminal specifications......16 2.3 Control circuit specifications........28 2.4 Connection of motor with encoder (vector control) .36 2.5 Connection of stand-alone option units ....43...
  • Page 24: Wiring

    Wiring 2.1 Wiring 2.1.1 Terminal connection diagram Sink logic *1. DC reactor (FR-HEL) *7. A CN8 connector is provided with the FR- Brake unit Be sure to connect the DC reactor A720-02880 (FR-A740-01440) or more. Main circuit terminal (Option) supplied with the FR-A720-02880 (FR- A740-01440) or more.
  • Page 25: Emc Filter

    Wiring 2.1.2 EMC filter This inverter is equipped with a built-in EMC filter (capacitive filter) and zero-phase reactor. Effective for reduction of air-propagated noise on the input side of the inverter. The EMC filter is factory-set to disable (OFF). To enable it, fit the EMC filter ON/OFF connector to the ON position. The input side zero-phase reactor, built-in the FR-A720-02150(FR-A740-01100) or less inverter, is always valid regardless of on/off of the EMC filter on/off connector.
  • Page 26: Main Circuit Terminal Specifications

    Main circuit terminal specifications 2.2 Main circuit terminal specifications 2.2.1 Specification of main circuit terminal Terminal Terminal Name Description Symbol R/L1, Connect to the commercial power supply. S/L2, AC power input Keep these terminals open when using the high power factor converter T/L3 (FR-HC and MT-HC) or power regeneration common converter (FR-CV).
  • Page 27: Terminal Arrangement Of The Main Circuit Terminal, Power Supply And The Motor Wiring

    Main circuit terminal specifications 2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring. 200V class FR-A720-00030, 00050-NA/N4 FR-A720-00080, 00110, 00175-NA/N4 Jumper Jumper Screw size (M4) Screw size (M4) R/L1 S/L2 T/L3 R/L1 S/L2 T/L3 Jumper Jumper R1/L11 S1/L21 R1/L11 S1/L21...
  • Page 28 Main circuit terminal specifications FR-A720-02150-NA FR-A720-02880, 03460-NA R1/L11 S1/L21 Screw size (M4) R1/L11 S1/L21 Screw size (M4) Charge lamp Charge lamp Jumper Jumper Screw size (M12) Screw size (M12) R/L1 S/L2 T/L3 N/- R/L1 S/L2 T/L3 N/- Jumper Screw size (M10) Screw size (M8) Power supply...
  • Page 29 Main circuit terminal specifications 400V class FR-A740-00015 to 00090-NA/N4 FR-A740-00120, 00170-NA/N4 Jumper Screw size (M4) Charge lamp R/L1 S/L2 T/L3 Jumper R1/L11 S1/L21 P/+ PR Jumper Jumper R1/L11 S1/L21 Screw size Screw size Charge lamp (M4) (M4) Power R/L1 S/L2 T/L3 Motor supply Power supply...
  • Page 30 Main circuit terminal specifications FR-A740-01440, 01800-NA FR-A740-02160, 02600-NA R1/L11 S1/L21 Screw size (M4) Charge lamp Jumper R1/L11 S1/L21 Screw size (M4) Charge lamp Screw size (M10) Jumper R/L1 S/L2 T/L3 N/- Screw size(M10) Screw size (M10) R/L1 S/L2 T/L3 Power supply Motor Screw size (M12) DC reactor...
  • Page 31 Main circuit terminal specifications Wiring cover and Handling (FR-A720-00760 (FR-A740-00440) or less) Remove the wiring cover of the inverter. Punch out a knockout by firmly tapping it with such as a hammer. Remove any sharp edges and burrs from knockout holes of the wiring cover. Install conduits and fix with conduits clamps.
  • Page 32: Cables And Wiring Length

    Main circuit terminal specifications 2.2.3 Cables and wiring length (1) Applied cable size Select the recommended cable size to ensure that a voltage drop will be 2% max. If the wiring distance is long between the inverter and motor, a main circuit cable voltage drop will cause the motor torque to decrease especially at the output of a low frequency.
  • Page 33 Main circuit terminal specifications 400V class (when input power supply is 440V) Cable Sizes Crimping Terminal Tightening Terminal AWG/MCM HIV, etc. (mm PVC, etc. (mm Applicable Inverter Screw Torque Earth Earth Type R/L1, R/L1, R/L1, R/L1, Size N·m U, V, W U, V, W P/+, P1 (Ground) U, V, W...
  • Page 34 Main circuit terminal specifications (2) Notes on earthing (grounding) Always earth (ground) the motor and inverter. 1)Purpose of earthing (grounding) Generally, an electrical apparatus has an earth (ground) terminal, which must be connected to the ground before use. An electrical circuit is usually insulated by an insulating material and encased. However, it is impossible to manufacture an insulating material that can shut off a leakage current completely, and actually, a slight current flow into the case.
  • Page 35 Main circuit terminal specifications (3) Total wiring length The overall wiring length for connection of a single motor or multiple motors should be within the value in the table below. (The wiring length should be 100m (328.08feet) maximum for vector control.) Pr.
  • Page 36: When Connecting The Control Circuit And The Main Circuit Separately To The Power Supply (separate Power)

    Main circuit terminal specifications 2.2.4 When connecting the control circuit and the main circuit separately to the power supply (separate power) <Connection diagram> When the protected circuit is activated, opening of the electromagnetic contactor (MC) on the inverter power supply side results in power loss in the control circuit, disabling the alarm output signal retention.
  • Page 37 Main circuit terminal specifications • FR-A720-00460 or more, FR-A740-00230 or more 1) Remove the upper screws. 2) Remove the lower screws. L21 Power supply 3) Pull the jumper toward you to terminal block remove. for the control circuit Power supply terminal block 4) Connect the separate power supply for the control circuit R/L1S/L2 T/L3...
  • Page 38: Control Circuit Specifications

    Control circuit specifications 2.3 Control circuit specifications 2.3.1 Control circuit terminals indicates that terminal functions can be selected using Pr. 178 to Pr. 196 (I/O terminal function selection) (Refer to page 228.) (1) Input signals Terminal Terminal Rated Refer to Description Symbol Name...
  • Page 39 Control circuit specifications Terminal Terminal Rated Refer to Description Symbol Name Specifications page 10VDC±0.4V Permissible load When connecting the frequency setting potentiometer at an initial Frequency current 10mA status, connect it to terminal 10. setting power Change the input specifications of terminal 2 when connecting it 5.2VDC±0.2V supply to terminal 10E.
  • Page 40 Control circuit specifications Terminal Terminal Rated Refer to Description Symbol Name Specifications page Switched low when the inverter output frequency is equal to or Inverter higher than the starting frequency (initial value 0.5Hz). Switched running high during stop or DC injection brake operation. Switched low when the output frequency reaches within the range of Up to...
  • Page 41: Changing The Control Logic

    Control circuit specifications 2.3.2 Changing the control logic The input signals are set to sink logic (SINK) when shipped from the factory. To change the control logic, the jumper connector on the back of the control circuit terminal block must be moved to the other position.
  • Page 42 Control circuit specifications 4) Sink logic and source logic ⋅ In sink logic, a signal switches on when a current flows from the corresponding signal input terminal. Terminal SD is common to the contact input signals. Terminal SE is common to the open collector output signals. ⋅...
  • Page 43: Control Circuit Terminal Layout

    Control circuit specifications 2.3.3 Control circuit terminal layout Terminal screw size: M3.5 Tightening torque: 1.2N·m C2 10E 10 STOP (1) Common terminals of the control circuit (SD, 5, SE) Terminals SD, 5, and SE are all common terminals (0V) for I/O signals and are isolated from each other. Do not earth (ground) these terminals.
  • Page 44: Wiring Instructions

    Control circuit specifications 2.3.4 Wiring instructions Terminals 5, SD and SE are common to the I/O signals and isolated from each other. Do not earth (ground). Avoid connecting the terminal SD and 5 and the terminal SE and 5. Use shielded or twisted cables for connection to the control circuit terminals and run them away from the main and power circuits (including the 200V relay sequence circuit).
  • Page 45: When Connecting The Operation Panel Using A Connection Cable

    Control circuit specifications 2.3.5 When connecting the operation panel using a connection cable When connecting the operation panel (FR-DU07) to the inverter using a cable, the operation panel can be mounted on the enclosure surface and operationality improves. Parameter unit connection cable (FR-CB2 )(option) Operation panel(FR-DU07)
  • Page 46: Connection Of Motor With Encoder (vector Control)

    Connection of motor with encoder (vector control) 2.4 Connection of motor with encoder (vector control) Orientation control and encoder feedback control, and speed control, torque control and position control by full-scale vector control operation can be performed using a motor with encoder and a plug-in option FR-A7AP. (1) Structure of the FR-A7AP Mounting Front view...
  • Page 47 Connection of motor with encoder (vector control) (3) Switches of the FR-A7AP • Encoder specification selection switch (SW1) Differential line Select either differential line driver or complementary driver (initial status) It is initially set to the differential line driver. Switch its position according to output circuit.
  • Page 48 FR-JCBL5 5 (16.4) FR-V7CBL5 5 (16.4) FR-JCBL15 15 (49.2) FR-V7CBL15 15 (49.2) FR-JCBL30 30 (98.4) FR-V7CBL30 30 (98.4) FR-A700 FR-A700 (FR-A7AP) (FR-A7AP) Encoder Encoder Positioning keyway Positioning keyway MS3106B20-29S MS3106B20-29S (As viewed from wiring side) (As viewed from wiring side) * As the terminal block of the FR-A7AP is an insertion type, earth cables need to be modified.
  • Page 49 Connection of motor with encoder (vector control) (5) Wiring • Speed control Vector control dedicated motor Standard motor with encoder (SF-JR), 5V differential line driver (SF-V5RU, SF-THY), 12V complimentary MCCB SF-JR motor SF-V5RU, SF-THY MCCB with encoder Inverter Three-phase AC power supply R/L1 Three-phase S/L2...
  • Page 50 Connection of motor with encoder (vector control) • Position control Vector control dedicated motor (SF-V5RU, SF-THY), 12V complimentary MCCB SF-V5RU, SF-THY Three-phase AC power supply MCCB Positioning unit R/L1 MELSEQ-Q QD75P1 Inverter Three-phase AC S/L2 power supply T/L3 Earth (ground) Thermal External thermal protector...
  • Page 51: Initial Setting

    Connection of motor with encoder (vector control) (6) Instructions for encoder cable wiring • Use twisted pair shield cables (0.2mm or larger) to connect the FR-A7AP and position detector. Cables to terminals PG and SD should be connected in paralell or be larger in size according to the cable length. To protect the cables from noise, run them away from any source of noise (e.g.
  • Page 52 Connection of motor with encoder (vector control) (9) Combination with a vector control dedicated motor Refer to the table below when using with a vector control dedicated motor. • Combination with the SF-V5RU and SF-THY Voltage 200V class 400V class Rated speed 1500r/min Base frequency...
  • Page 53: Connection Of Stand-alone Option Units

    Connection of stand-alone option units 2.5 Connection of stand-alone option units The inverter accepts a variety of stand-alone option units as required. Incorrect connection will cause inverter damage or accident. Connect and operate the option unit carefully in accordance with the corresponding option unit manual. 2.5.1 Connection of the dedicated external brake resistor (FR-ABR) (FR-A720-00900 (FR-A740-00440) or less)
  • Page 54 Connection of stand-alone option units FR-A720-00240, 00330, FR-A740-00120, 00170 1) Remove the screws in terminals PR and PX and remove the jumper. 2) Connect the brake resistor across terminals P/+ and PR. (The jumper should remain disconnected.) 1) Removal of Jumper 2) Connection of Brake Resistor Terminal P/+ Terminal PR...
  • Page 55 Connection of stand-alone option units When the regenerative brake transistor is damaged, the following sequence is recommended to prevent overheat and burnout of the brake resistor. Thermal High-duty Thermal High-duty <Example 2> relay brake resistor relay brake resistor <Example 1> Inverter (OCR)(*2) (FR-ABR)
  • Page 56: Connection Of The Brake Unit (fr-bu2)

    Connection of stand-alone option units 2.5.2 Connection of the brake unit (FR-BU2) Connect the brake unit (FR-BU2) as shown below to improve the braking capability at deceleration. (1) Connection example with the GRZG type brake resitor GRZG type brake resistor MCCB Motor R/L1...
  • Page 57 Connection of stand-alone option units (2) FR-BR-(H) connection example with resistor unit FR-BR MCCB Motor R/L1 Three phase AC S/L2 power supply T/L3 FR-BU2 Inverter 5m or less Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU2) terminals so that their terminal names match with each other. (Incorrect connection will damage the inverter and brake unit.) When the power supply is 400V class, install a step-down transformer.
  • Page 58: Connection Of The Brake Unit (fr-bu/mt-bu5)

    Connection of stand-alone option units 2.5.3 Connection of the brake unit (FR-BU/MT-BU5) When connecting the brake unit (FR-BU(H)/MT-BU5) to improve the brake capability at deceleration, make connection as shown below. (1) Connection with the FR-BU (FR-A720-02150 (FR-A740-01100) or less) FR-BR MCCB Motor R/L1...
  • Page 59 Connection of stand-alone option units (2) Connection with the MT-BU5 (FR-A720-02800 (FR-A740-01440) or more) After making sure that the MT-BU5 is properly connected, set the following parameters. Pr. 30 Regenerative function selection = "1" Pr. 70 Special regenerative brake duty = "10%" (Refer to page 204) MCCB Motor R/L1...
  • Page 60: Connection Of The Brake Unit (bu Type)

    Connection of stand-alone option units 2.5.4 Connection of the brake unit (BU type) Connect the brake unit (BU type) correctly as shown below. Incorrect connection will damage the inverter. Remove the jumper across terminals HB-PC and terminals TB-HC of the brake unit and fit it to across terminals PC-TB. MCCB Inverter Motor...
  • Page 61 Connection of stand-alone option units (2) Connection with the MT-HC (FR-A720-02880 (FR-A740-01440) or more) MT-HCL01 MT-HCB MT-HCL02 MT-HC Inverter MCCB Motor Three-phase R/L1 AC power S/L2 supply T/L3 R1 S1 MT-HCTR Insulated transformer Remove the jumper across terminals R/L1 - R1/L11, S/L2 - S1/L21 of the inverter, and connect the control circuit power supply to the R1/L11 and S1/L21 terminals.
  • Page 62: Connection Of The Power Regeneration Common Converter (fr-cv) (fr-a720-02150 (fr-a740-01100) Or Less)

    Connection of stand-alone option units 2.5.6 Connection of the power regeneration common converter (FR-CV) (FR-A720-02150 (FR-A740-01100) or less) When connecting the power regeneration common converter (FR-CV), make connection so that the inverter terminals (P/+, N/-) and the terminal symbols of the power regeneration common converter (FR-CV) are the same. After making sure that the wiring is correct, set "2"...
  • Page 63: Connection Of Power Regeneration Converter (mt-rc) (fr-a720-02880 (fr-a740-01440) Or More)

    Connection of stand-alone option units 2.5.7 Connection of power regeneration converter (MT-RC) (FR-A720-02880 (FR-A740-01440) or more) When connecting a power regeneration converter (MT-RC), perform wiring securely as shown below. Incorrect connection will damage the regeneration converter and inverter. After connecting securely, set "1" in Pr.
  • Page 64 MEMO...
  • Page 65: Precautions For Use Of The Inverter

    PRECAUTIONS FOR USE OF THE INVERTER This chapter explains the "PRECAUTIONS FOR USE OF THE INVERTER" for use of this product. Always read the instructions before using the equipment 3.1 Noise and leakage currents........56 3.2 Installation of a reactor ..........61 3.3 Power-off and magnetic contactor (MC)....62 3.4 Inverter-driven 400V class motor ......63 3.5 Precautions for use of the inverter ......64...
  • Page 66: Noise And Leakage Currents

    Noise and leakage currents 3.1 Noise and leakage currents 3.1.1 Leakage currents and countermeasures Capacitances exist between the inverter I/O cables, other cables and earth and in the motor, through which a leakage current flows. Since its value depends on the capacitances, carrier frequency, etc., low acoustic noise operation at the increased carrier frequency of the inverter will increase the leakage current.
  • Page 67 Noise and leakage currents (3) Selection of rated sensitivity current of earth (ground) leakage breaker When using the earth (ground) leakage circuit breaker with the inverter circuit, select its rated sensitivity current as follows, independently of the PWM carrier frequency: ⋅...
  • Page 68: Inverter-generated Noises And Their Reduction Techniques

    Noise and leakage currents 3.1.2 Inverter-generated noises and their reduction techniques Some noises enter the inverter to malfunction it and others are radiated by the inverter to malfunction peripheral devices. Though the inverter is designed to be insusceptible to noises, it handles low-level signals, so it requires the following basic techniques.
  • Page 69 Noise and leakage currents Noise Propagation Measures Path When devices that handle low-level signals and are liable to malfunction due to noises, e.g. instruments, receivers and sensors, are contained in the enclosure that contains the inverter or when their signal cables are run near the inverter, the devices may be malfunctioned by air-propagated noises.
  • Page 70: Power Supply Harmonics

    Noise and leakage currents 3.1.3 Power supply harmonics The inverter may generate power supply harmonics from its converter circuit to affect the power generator, power capacitor etc. Power supply harmonics are different from noise and leakage currents in source, frequency band and transmission path.
  • Page 71: Installation Of A Reactor

    Installation of a reactor 3.2 Installation of a reactor When the inverter is connected near a large-capacity power transformer (1000kVA or more) or when a power capacitor is to be switched over, an excessive peak current may flow in the power input circuit, damaging the converter circuit. To prevent this, always install the optional AC reactor (FR-HAL) AC reactor Inverter...
  • Page 72: Power-off And Magnetic Contactor (mc)

    Power-off and magnetic contactor (MC) 3.3 Power-off and magnetic contactor (MC) (1) Inverter input side magnetic contactor (MC) On the inverter input side, it is recommended to provide an MC for the following purposes. Refer to page 4 for selection.) 1) To release the inverter from the power supply when the inverter's protective function is activated or when the drive is not functioning (e.g.
  • Page 73: Inverter-driven 400v Class Motor

    Inverter-driven 400V class motor 3.4 Inverter-driven 400V class motor In the PWM type inverter, a surge voltage attributable to wiring constants is generated at the motor terminals. Especially for a 400V class motor, the surge voltage may deteriorate the insulation. When the 400V class motor is driven by the inverter, consider the following measures: Measures It is recommended to take either of the following measures:...
  • Page 74: Precautions For Use Of The Inverter

    Precautions for use of the inverter 3.5 Precautions for use of the inverter The FR-A700 series is a highly reliable product, but incorrect peripheral circuit making or operation/handling method may shorten the product life or damage the product. Before starting operation, always recheck the following items.
  • Page 75 Precautions for use of the inverter (14) If the machine must not be restarted when power is restored after a power failure, provide a magnetic contactor in the inverter's input side and also make up a sequence which will not switch on the start signal. If the start signal (start switch) remains on after a power failure, the inverter will automatically restart as soon as the power is restored.
  • Page 76 MEMO...
  • Page 77: Parameters

    4 PARAMETERS This chapter explains the "PARAMETERS" for use of this product. Always read this instructions before use. The abbreviations in the explanations below are as follows: ...V/F control, ...Advanced magnetic flux vector control, Magnetic flux Magnetic flux Magnetic flux ...Real sensorless vector control Sensorless Sensorless...
  • Page 78: Operation Panel (fr-du07)

    Operation panel (FR-DU07) 4.1 Operation panel (FR-DU07) 4.1.1 Parts of the operation panel (FR-DU07) Operation mode indication PU: Lit to indicate PU operation mode. EXT: Lit to indicate external operation mode. NET: Lit to indicate network operation mode. Rotation direction indication FWD: Lit during forward rotation REV: Lit during reverse rotation Forward/reverse operation...
  • Page 79: Basic Operation (factory Setting)

    Operation panel (FR-DU07) 4.1.2 Basic operation (factory setting) Operation mode switchover At powering on (external operation mode) PU Jog operation mode (Refer to page 70) (Example) Value change and frequency flicker. PU operation mode Frequency setting has been (output frequency monitor) written and completed!! Output current monitor Output voltage monitor...
  • Page 80: Change The Parameter Setting Value

    Operation panel (FR-DU07) 4.1.3 Change the parameter setting value Changing example Change the Pr. 1 Maximum frequency . Operation Display Screen at powering on The monitor display appears. PU indication is lit. Press to choose the PU operation mode. The parameter Press to choose the parameter number read...
  • Page 81: Parameter List

    Parameter List 4.2 Parameter List 4.2.1 Parameter list For simple variable-speed operation of the inverter, the initial setting of the parameters may be used as they are. Set the necessary parameters to meet the load and operational specifications. Parameter setting, change and check can be made from the operation panel (FR-DU07).
  • Page 82 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page Up-to-frequency sensitivity 0 to 100% 0.1% Output frequency detection 0 to 400Hz 0.01Hz Output frequency detection for reverse 0 to 400Hz, 9999 0.01Hz 9999 rotation Second acceleration/deceleration time...
  • Page 83 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page 145, 0.4 to 55kW, 9999/ Motor capacity 0.01/0.1kW 9999 0 to 3600kW, 9999 145, 2, 4, 6, 8, 10, 12, 14, 16, Number of motor poles 9999 18, 20, 9999 0.01/0.1A...
  • Page 84 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page PID control automatic switchover 0.01Hz 9999 0 to 400Hz, 9999 frequency 10, 11, 20, 21, 50, 51, 60, PID action selection 61, 70, 71, 80, 81, 90, 91, 100, 101 0.1% 100%...
  • Page 85 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page ⎯ Parameter for manufacturer setting. Do not set. ⎯ 9999 Watt-hour meter clear 0, 10, 9999 9999 Operation hour meter clear 0, 9999 User group registered display/batch 9999, (0 to 16) clear...
  • Page 86 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page 0.01% 9999 Rated slip 0 to 50%, 9999 0.01s 0.5s Slip compensation time constant 0.01 to 10s Constant-power range slip 9999 0, 9999 compensation selection 0 to 100s,1000 to 1100s ⎯...
  • Page 87 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page 0.01Hz Brake opening frequency 0 to 30Hz Brake opening current 0 to 220% 0.1% 130% 0.1s 0.3s Brake opening current detection time 0 to 2s Brake operation time at start 0 to 5s 0.1s...
  • Page 88 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page 9999 Stop position command selection 0, 1, 9999 0.01Hz Orientation speed 0 to 30Hz 0.01Hz 0.5Hz Creep speed 0 to 10Hz Creep switchover position 0 to 16383 Position loop switchover position 0 to 8191...
  • Page 89 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page 131, Position command source selection Command pulse scaling factor 0 to 32767 numerator Command pulse scaling factor 0 to 32767 denominator Position loop gain 0 to 150s Position feed forward gain 0 to 100%...
  • Page 90 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page Digital position control sudden stop 0 to 360.0s 0.1s deceleration time First position feed amount lower 4 digits 0 to 9999 First position feed amount upper 4 digits 0 to 9999 Second position feed amount lower 4 digits 0 to 9999 Second position feed amount upper 4 digits 0 to 9999...
  • Page 91 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page S-pattern time at a start of acceleration 0.1 to 2.5s 0.1s 0.1s S-pattern time at a completion of 0.1s 0.1s 0.1 to 2.5s acceleration 0.1s 0.1s...
  • Page 92 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page Speed limit selection 0, 1, 2 Forward rotation speed limit 0 to 120Hz 0.01Hz 0.01Hz 9999 Reverse rotation speed limit 0 to 120Hz, 9999 Torque limit input method selection 0, 1 Set resolution switchover...
  • Page 93 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page Torque monitoring reference 0 to 400% 0.1% 150% ⎯ 0.01s 0.01s AM output filter 0 to 5s ⎯ Terminal 1 function assignment 0 to 6, 9999 Input phase failure protection selection 0, 1 0.01Hz 20Hz...
  • Page 94 Parameter List Minimum Refer Func- Customer Parameter Name Setting Range Setting Initial Value tion Setting Increments Page ⎯ ⎯ ⎯ FM terminal calibration (900) ⎯ ⎯ ⎯ AM terminal calibration (901) Terminal 2 frequency setting bias 0 to 400Hz 0.01Hz (902) frequency Terminal 2 frequency setting bias...
  • Page 95: Control Mode

    Parameters according to purposes Control mode 4.3.1 What is vector control?..........................89 4.3.2 Change the control method (Pr. 80, Pr. 81, Pr. 451, Pr. 800) ..............92 Speed control by real sensorless vector control, vector control 4.4.1 Setting procedure of real sensorless vector control (speed control) ............97 4.4.2 Setting procedure of vector control (speed control) ...................
  • Page 96: Function Assignment Of External Terminal And Control

    4.12.3 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383, Pr. 516 to Pr. 519)............................. 176 4.12.4 Shortest acceleraiton/deceleration and optimum acceleration/deceleration (automatic acceleration/deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293) ..........179 4.13 Selection and protection of a motor 4.13.1 Motor protection from overheat (Electronic thermal relay function) (Pr.
  • Page 97: Misoperation Prevention And Parameter Setting Restriction

    4.21.4 Response level of analog input and noise elimination (Pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849) .................. 287 4.21.5 Bias and gain of frequency setting voltage (current) (Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905), C12(Pr. 917) to C15(Pr. 918))......289 4.21.6 Bias and gain of torque (magnetic flux) setting voltage (current) (Pr.
  • Page 98: Control Mode

    Control mode Control mode V/F control (initial setting), advanced magnetic flux vector control, real sensorless vector control and vector control are available with this inverter. V/F Control ⋅ It controls frequency and voltage so that the ratio of frequency (F) to voltage (V) is constant when changing frequency. Advanced magnetic flux vector control ⋅...
  • Page 99: What Is Vector Control

    Control mode 4.3.1 What is vector control? Vector control is one of the control techniques for driving an induction motor. To help explain vector control, the fundamental equivalent circuit of an induction motor is shown below: r1 : Primary resistance r2 : Secondary resistance : Primary leakage inductance : Secondary leakage inductance...
  • Page 100 Control mode Block diagram of real sensorless vector control modulation magnetic pre-excitation φ 2 flux current output control control voltage conversion torque ω speed ω 0 current control control ω FB ω 0 ω FB ω s current conversion slip calculation φ...
  • Page 101 Control mode (1) Speed control Speed control operation is performed to zero the difference between the speed command (ω*) and actual rotation detection value (ωFB). At this time, the motor load is found and its result is transferred to the torque current controller as a torque current command (iq*).
  • Page 102: Change The Control Method (pr. 80, Pr. 81, Pr. 451, Pr. 800)

    Control mode 4.3.2 Change the control method (Pr. 80, Pr. 81, Pr. 451, Pr. 800) Set when selecting the advanced magnetic flux vector control, real sensorless vector control or vector control. Select a control mode from speed control mode, torque control mode and position control mode under real sensorless vector control or vector control.
  • Page 103 Control mode Vector control test operation (Pr. 800 = "9") ⋅ Speed control test operation can be performed even when the motor is not connected. The speed calculation value changes to track the speed command and the transition can be checked with the operation panel and analog signal output at FM and AM.
  • Page 104 Control mode Switching the control method from the external terminal (MC signal) ⋅ When "12 (2)" is set in Pr. 800 (Pr. 451 ), speed control is selected when the control mode switching signal (MC) is off, and torque control is selected when the signal is off under real sensorless vector control and vector control. Switching between speed control and torque control is always enabled.
  • Page 105 Control mode Terminal 4 function according to control Real Sensorless Vector Control (Pr. 800 = 12), Vector Control (Pr. 800 = 2) Pr. 858 Setting Speed control (MC signal-OFF) Torque control (MC signal-ON) 0 (initial value) Speed command (AU signal-ON) Speed limit (AU signal-ON) Magnetic flux command Magnetic flux command...
  • Page 106: Speed Control By Real Sensorless Vector Control, Vector Control

    Speed control by real sensorless vector control, vector control 4.4 Speed control by real sensorless vector control, vector control Purpose Parameter that should be Set Refer to Page Pr. 22, Pr. 803, Pr. 810, To perform torque limit during speed control Torque limit Pr.
  • Page 107: Setting Procedure Of Real Sensorless Vector Control (speed Control)

    Speed control by real sensorless vector control, vector control 4.4.1 Setting procedure of real sensorless vector control (speed control) Sensorless Sensorless Sensorless Perform secure wiring. (Refer to page 14.) Set the motor. (Pr. 71) (Refer to page 185.) Set "3" (standard motor) or "13" (constant torque motor) in Pr. 71 Applied motor.
  • Page 108: Setting Procedure Of Vector Control (speed Control)

    Speed control by real sensorless vector control, vector control 4.4.2 Setting procedure of vector control (speed control) Vector Vector Vector Perform secure wiring. (Refer to page 39.) Mount the FR-A7AP. Set the motor and encoder. (Pr. 71, Pr. 359, Pr. 369) Set Pr.
  • Page 109: Torque Limit Level Setting For Speed Control (pr. 22, Pr. 803, Pr. 810 To Pr. 817, Pr. 858, Pr. 868, Pr. 874)

    Speed control by real sensorless vector control, vector control 4.4.3 Torque limit level setting for speed control (Pr. 22, Pr. 803, Pr. 810 to Pr. 817, Pr. 858, Pr. 868, Pr. 874) Sensorless Sensorless Sensorless Vector Vector Vector This function limits the output torque to the predetermined value during speed control under real sensorless vector control or vector control.
  • Page 110 Speed control by real sensorless vector control, vector control (1) Torque limit block diagram <Vector control> Torque limit Speed control Iq current control Speed command + Encoder (2) Selection of torque limit input method (Pr. 810) ⋅ Set Pr. 810 Torque limit input method selection to select the method to limit output torque during speed control. Torque limit by parameter setting is initially set.
  • Page 111 Speed control by real sensorless vector control, vector control Terminal 1, 4 function according to control ( ⎯ : without function) Real Sensorless Vector Control (Speed Control) Pr. 858 Setting Pr. 868 Setting Terminal 4 function Terminal 1 function Speed setting auxiliary (initial value) Magnetic flux command ⎯...
  • Page 112 Speed control by real sensorless vector control, vector control (6) Set a torque limit value during acceleration and deceleration individually (Pr. 816, Pr. 817 ) ⋅ You can set torque limit during acceleration and deceleration individually. The following chart shows torque limit according to the settings of Pr. 816 Torque limit level during acceleration and Pr. 817 Torque limit level during deceleration.
  • Page 113 Speed control by real sensorless vector control, vector control (9) Alarm stop when torque limit is activated (Pr. 874 ) ⋅ This function can make an alarm stop if the torque limit is Torque activated to stall the motor. ⋅ The motor stalls if the torque limit is activated under a high load applied during speed control or position control.
  • Page 114: To Perform High Accuracy/fast Response Operation (gain Adjustment Of Real Sensorless Vector Control And Vector Control) (pr. 818 To Pr. 821, Pr. 830, Pr. 831, Pr. 880)

    Speed control by real sensorless vector control, vector control 4.4.4 To perform high accuracy/fast response operation (gain adjustment of real sensorless vector control and vector control) (Pr. 818 to Pr. 821, Pr. 830, Pr. 831, Pr. 880) Sensorless Sensorless Sensorless Vector Vector Vector...
  • Page 115 Speed control by real sensorless vector control, vector control (2) Easy gain tuning execution procedure (Pr. 819 = "1" load inertia ratio automatic estimation) Easy gain tuning (load inertia ratio automatic estimation) is valid only in the speed control or Pr.
  • Page 116 Speed control by real sensorless vector control, vector control (4) Parameters automatically set by easy gain tuning The following table indicates the relationship between easy gain tuning function and gain adjustment parameter. Easy Gain Tuning Selection (Pr. 819 ) Setting a) Inertia estimation result (RAM) by easy gain tuning is dispayed.
  • Page 117 Speed control by real sensorless vector control, vector control (5) Manual input speed control gain adjustment · Make adjustment when any of such phenomena as unusual machine vibration/noise, low response level and overshoot has occurred. Proportional gain · Pr. 820 Speed control P gain 1 = "60%" (initial value) is equivalent to 120rad/s (speed responce of the motor alone).
  • Page 118 Speed control by real sensorless vector control, vector control (6) When using a multi-pole motor (8 poles or more) Specially when using a multi-pole motor with more than 8 poles under real sensorless vector control or vector control, adjust Pr. 820 Speed control P gain 1 and Pr. 824 Torque control P gain 1 according to the motor referring to the following methods.
  • Page 119 Speed control by real sensorless vector control, vector control (8) Troubleshooting (speed) Phenomenon Cause Countermeasures (1) The motor wiring is wrong (1) Wiring check Select V/F control (set "9999" in Pr. 80 or Pr. 81 ) and check the rotation direction of the motor. For the SF-V5RU, set "170V(340V)"...
  • Page 120 Speed control by real sensorless vector control, vector control Phenomenon Cause Countermeasures (1) The speed command varies. (1) -1 Check that a correct speed command comes from the command device. (Take measures against noises.) (1) -2 Decrease Pr. 72 PWM frequency selection. (1) -3 Increase Pr.
  • Page 121: Speed Feed Forward Control, Model Adaptive Speed Control (pr. 828, Pr. 877 To Pr. 881)

    Speed control by real sensorless vector control, vector control 4.4.5 Speed feed forward control, model adaptive speed control (Pr. 828, Pr. 877 to Pr. 881) Sensorless Sensorless Sensorless Vector Vector Vector By making parameter setting, select the speed feed forward control or model adaptive speed control. The speed feed forward control enhances the trackability of the motor in response to a speed command change.
  • Page 122 Speed control by real sensorless vector control, vector control (2) Speed feed forward control (Pr. 877 = "1") ⋅ Calculate required torque in responce to the acceleration/deceleration command for the inertia ratio set in Pr. 880 and generate torque immediately. ⋅...
  • Page 123: Torque Biases (pr. 840 To Pr. 848)

    Speed control by real sensorless vector control, vector control 4.4.6 Torque biases (Pr. 840 to Pr. 848) Vector Vector Vector This function accelerates the rise of the torque at a start. Adjust the torque at a motor start using the contact signals or analog signals .
  • Page 124 Speed control by real sensorless vector control, vector control (2) Setting torque bias amount with the contact input (Pr. 840 = "0") ⋅ Select the torque bias amount in the table below according to the combination of contact signals. ⋅ Set "42" in Pr. 178 to Pr. 189 (input terminal function selection) for the terminal used for X42 signal input and set "43" for the terminal used for X43 signal input to assign functions.
  • Page 125 Speed control by real sensorless vector control, vector control (4) Setting torque bias amount with terminal 1 (Pr. 840 = "3") ⋅ C16 Terminal 1 bias command (torque/magnetic flux), C17 Terminal 1 bias (torque/magnetic flux), C18 Terminal 1 gain command (torque/magnetic flux), C19 Terminal 1 gain (torque/magnetic flux), and Pr. 846 Torque bias balance compensation can be set automatically according to the load.
  • Page 126: Prevent The Motor From Overrunning (pr. 285, Pr. 853, Pr. 873)

    Speed control by real sensorless vector control, vector control 4.4.7 Prevent the motor from overrunning (Pr. 285, Pr. 853, Pr. 873) Vector Vector Vector This function prevents the motor from overrunning when the load torque is too large and incorrect number of encoder is set.
  • Page 127: Notch Filter (pr. 862, Pr. 863)

    Speed control by real sensorless vector control, vector control 4.4.8 Notch filter (Pr. 862, Pr. 863) Sensorless Sensorless Sensorless Vector Vector Vector You can reduce the response level of speed control in the resonance frequency band of the mechanical system to avoid mechanical resonance.
  • Page 128: Torque Control By Real Sensorless Vector Control, Vector Control

    Torque control by real sensorless vector control, vector control 4.5 Torque control by real sensorless vector control, vector control Purpose Parameter that must be Set Refer to Page Selection of torque command source and setting of torque Torque command Pr. 803 to Pr. 806 command value Prevent the motor overspeed Speed limit...
  • Page 129 Torque control by real sensorless vector control, vector control (2) Operation example (when Pr. 804 = "0") Torque control is enabled if the actual speed is less than the speed limit value. When the actual speed reaches or exceeds the speed limit value, speed limit operation starts, torque control is stopped, and speed control (proportional control) starts.
  • Page 130: Setting Procedure Of Real Sensorless Vector Control (torque Control)

    Torque control by real sensorless vector control, vector control 4.5.2 Setting procedure of real sensorless vector control (torque control) Sensorless Sensorless Sensorless Perform secure wiring. (Refer to page 14.) Set the motor. (Pr. 71) (Refer to page 185.) Set "3" (standard motor) or "13" (constant torque motor) in Pr. 71 Applied motor.
  • Page 131: Setting Procedure Of Vector Control (torque Control)

    Torque control by real sensorless vector control, vector control 4.5.3 Setting procedure of vector control (torque control) Vector Vector Vector Perform secure wiring. (Refer to page 39.) Mount the FR-A7AP. Set the motor and encoder. (Pr. 71, Pr. 359, Pr. 369) Set Pr.
  • Page 132: Torque Command (pr. 803 To Pr. 806)

    Torque control by real sensorless vector control, vector control 4.5.4 Torque command (Pr. 803 to Pr. 806) Sensorless Sensorless Sensorless Vector Vector Vector Torque command source for torque control can be selected. Parameter Initial Setting Name Description Number Value Range Constant motor output Constant power range Select the torque command in the...
  • Page 133 Torque control by real sensorless vector control, vector control (3) Torque command using parameters (Pr. 804 = "1") ⋅ Torque command value can be set by setting Pr. 805 Torque command value Torque command value (RAM) or Pr. 806 Torque command value (RAM,EEPROM) .
  • Page 134: Speed Limit (pr. 807 To Pr. 809)

    Torque control by real sensorless vector control, vector control 4.5.5 Speed limit (Pr. 807 to Pr. 809) Sensorless Sensorless Sensorless Vector Vector Vector Set the speed limit value to prevent overspeed of the motor in case the load torque becomes less than the torque command value, etc.
  • Page 135 Torque control by real sensorless vector control, vector control (2) Use the speed command for speed control (Pr. 807 = "0" initial value) The speed setting Speed value is a speed ⋅ Set the speed limit in the same method as speed setting Forward rotation limit value.
  • Page 136 Torque control by real sensorless vector control, vector control (4) Forward rotation/reverse rotation speed limit (Pr. 807 = "2") ⋅ When making a speed limit using analog input from terminal 1, the speed limit of the forward and reverse rotation can be switched according to the polarity of voltage.
  • Page 137: Gain Adjustment Of Torque Control (pr. 824, Pr. 825, Pr. 834, Pr. 835)

    Torque control by real sensorless vector control, vector control 4.5.6 Gain adjustment of torque control (Pr. 824, Pr. 825, Pr. 834, Pr. 835) Sensorless Sensorless Sensorless Vector Vector Vector Although stable operation is possible with the initial value, make adjustment when any of such phenomena as unusual motor and machine vibration/noise and overcurrent has occurred.
  • Page 138 Torque control by real sensorless vector control, vector control (4) Adjustment procedure Make adjustment when any of such phenomena as unusual motor and machine vibration/noise/current and overcurrent has occurred. 1)Check the conditions and simultaneously change the Pr. 824 value. 2)If you cannot make proper adjustment, change the Pr. 825 value and repeat step 1). Adjustment Method Set Pr.
  • Page 139: Position Control By Vector Control

    Position control by vector control 4.6 Position control by vector control Purpose Parameter that must be Set Refer to Page Conditional position control by Position command by Pr. 419, Pr. 464 to Pr. 494 parameter setting parameter Position control by pulse train input Position command by Pr.
  • Page 140 Position control by vector control (2) Control block diagram Position command source selection Pr. 4 to 6 Position feed Pr. 465 to Pr. 494 Pr. 24 to 27 forward Pr. 419 travel Position feed command filter Pr. 232 to 239 Multi-speed, forward gain communication...
  • Page 141: Conditional Position Feed Function By Contact Input (pr. 419, Pr. 464 To Pr. 494)

    Position control by vector control CAUTION Changing the terminal function using any of Pr. 178 to Pr. 189, 190 to Pr. 196 may affect the other functions. Make setting after confirming the function of each terminal. ♦Parameters referred to♦ Pr. 178 to Pr. 189 (input terminal function selection) Refer to page 228 Pr.
  • Page 142 Position control by vector control Selection Method Parameter Setting Position feed ×, (OFF: Name Initial Value Number Range frequency Ninth position feed 0 to 9999 amount lower 4 digits × × 9 Speed (Pr. 233) Ninth position feed 0 to 9999 amount upper 4 digits Tenth position feed 0 to 9999...
  • Page 143 Position control by vector control (1) Setting of position feed amount by parameter ⋅Set position feed amount in Pr. 465 to Pr. 494 . ⋅The feed amount set in each parameter is selected by mult-speed terminal (RH, RM, RL, REX). ⋅Set (encoder resolution ×...
  • Page 144: Position Control (pr. 419, Pr. 428 To Pr. 430) By Inverter Pulse Train Input

    Position control by vector control 4.6.3 Position control (Pr. 419, Pr. 428 to Pr. 430) by inverter pulse train input Vector Vector Vector Conditional position pulse train command can be input by pulse train input and sign signal (NP) from the JOG terminal.
  • Page 145 Position control by vector control (3) Selection of clear signal (Pr. 429, CLR signal) ⋅ Use this function to zero the droop pulse for home position operation, etc. ⋅ When "0" is set in Pr. 429 , the deviation counter is cleared at the edge of truning on of the clear signal (CLR). In addition, the CLR signal turns on in synchronization with zero pulse signal of the encoder at home position operation, etc., deviation counter is cleared.
  • Page 146: Setting Of The Electronic Gear (pr. 420, Pr. 421, Pr. 424)

    Position control by vector control 4.6.4 Setting of the electronic gear (Pr. 420, Pr. 421, Pr. 424) Vector Vector Vector Set the ratio of the machine side gear and the motor side gear. Parameter Setting Name Initial Value Description Number Range Command pulse scaling 0 to 32767 *...
  • Page 147: Setting Of Positioning Adjustment Parameter (pr. 426, Pr. 427)

    Position control by vector control Relationship between position resolution Δ and overall accuracy Since overall accuracy (positioning accuracy of machine) is the sum of electrical error and mechanical error, normally take measures to prevent the electrical system error from affecting the overall error. As a guideline, refer to the following relationship.
  • Page 148: Gain Adjustment Of Position Control (pr. 422, Pr. 423, Pr. 425)

    Position control by vector control 4.6.6 Gain adjustment of position control (Pr. 422, Pr. 423, Pr. 425) Vector Vector Vector Easy gain tuning is available as an easy tuning method. Refer to page 104 for easy gain tuning. If it does not produce any effect, make fine adjustment by using the following parameters. Set "0"...
  • Page 149 Position control by vector control (3) Troubleshooting Phenomenon Cause Countermeasures (1) The phase sequence of the (1) Check the wiring. (Refer to page 39 ) motor or encoder wiring is wrong. (2) The control mode selection Pr. (2) Check the Pr. 800 setting. (Refer to page 92 ) 800 setting is improper.
  • Page 150: Trouble Shooting For When Position Control Is Not Exercised Normally

    Position control by vector control 4.6.7 Trouble shooting for when position control is not exercised normally Vector Vector Vector Position control is not exercised normally Have you checked the speed control items? Check the speed control measures. Position shift occurs. Have you made the electronic gear setting?
  • Page 151: Adjustment Of Real Sensorless Vector Control, Vector Control

    Adjustment of real sensorless vector control, vector control 4.7 Adjustment of real sensorless vector control, vector control Purpose Parameter that should be Set Refer to Page Speed detection filter Stabilize speed and feedback signal Pr. 823, Pr. 827, Pr. 833, Pr. 837 Torque detection filter Change the excitation ratio Excitation ratio...
  • Page 152: Excitation Ratio (pr. 854)

    Adjustment of real sensorless vector control, vector control 4.7.2 Excitation ratio (Pr. 854) Vector Vector Vector Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Decrease the excitation ratio when you want to improve efficiency under light load. (Motor magnetic noise decreases.) Parameter Name...
  • Page 153: Adjust The Output Torque Of The Motor (current)

    Adjust the output torque of the motor (current) 4.8 Adjust the output torque of the motor (current) Purpose Parameter that must be Set Refer to Page Set starting torque manually Manual torque boost Pr. 0, Pr. 46, Pr. 112 Pr. 71, Pr. 80, Pr. 81, Pr. 89, Pr. 450, Automatically control output current Advanced magnetic flux Pr.
  • Page 154 Adjust the output torque of the motor (current) (2) Set multiple torque boost (RT signal, X9 signal, Pr. 46, Pr. 112) ⋅ Use the second (third) torque boost when changing the torque boost according to application or when using multiple motors by switching between them by one inverter. ⋅...
  • Page 155: Advanced Magnetic Flux Vector Control (pr. 71, Pr. 80, Pr. 81, Pr. 89, Pr. 450, Pr. 451, Pr. 453, Pr. 454, Pr. 569, Pr. 800)

    Adjust the output torque of the motor (current) 4.8.2 Advanced magnetic flux vector control (Pr. 71, Pr. 80, Pr. 81, Pr. 89, Pr. 450, Pr. 451, Pr. 453, Pr. 454, Pr. 569, Pr. 800) Magnetic flux Magnetic flux Magnetic flux Advanced magnetic flux vector control can be selected by setting the capacity, number and type of motor to be used in Pr.
  • Page 156 Adjust the output torque of the motor (current) POINT If the following conditions are not satisfied, select V/F control since malfunction such as insufficient torque and uneven rotation may occur. • The motor capacity should be equal to or one rank lower than the inverter capacity. (note that the capacity should be 0.4kW or more) •...
  • Page 157: Test Run

    Adjust the output torque of the motor (current) (1) Selection method of advanced magnetic flux vector control Perform secure wiring. (Refer to page 14) Set the motor. (Pr. 71) Motor Pr. 71 Setting REMARKS SF-JR 0 (initial value) Mitsubishi standard SF-JR 4P 1.5kW or less motor Mitsubishi high...
  • Page 158 The motor speed fluctuation at load fluctuation can be adjusted using Pr. 89. (It is useful when the speed command does not match the motor speed after the FR-A500(L) series inverter is replaced with the FR-A700 series inverter, etc.) Speed (3) Advanced magnetic flux vector control is performed with two motors •...
  • Page 159: Slip Compensation (pr. 245 To Pr. 247)

    Adjust the output torque of the motor (current) 4.8.3 Slip compensation (Pr. 245 to Pr. 247) The inverter output current may be used to assume motor slip to keep the motor speed constant. Parameter Name Initial Value Setting Range Description Number 0.01 to 50% Used to set the rated motor slip.
  • Page 160: Stall Prevention Operation

    Adjust the output torque of the motor (current) 4.8.4 Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 114, Pr. 115, Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157, Pr. 858, Pr. 868) Magnetic flux Magnetic flux Magnetic flux...
  • Page 161 Adjust the output torque of the motor (current) (2) Stall prevention operation signal output and output timing adjustment (OL signal, Pr. 157) ⋅ When the output power exceeds the stall prevention operation level and stall prevention is activated, the stall prevention operation signal (OL signal) turns on for longer than 100ms.
  • Page 162 Adjust the output torque of the motor (current) (4) Set multiple stall prevention operation levels (Pr. 48, Pr. 49, Pr. 114, Pr. 115) ⋅ Setting "9999" in Pr. 49 Second stall prevention operation frequency and turning the RT signal on make Pr. 48 Second stall prevention operation current valid.
  • Page 163 Adjust the output torque of the motor (current) (5) Stall prevention operation level setting by terminal 1 (terminal 4) (analog variable) (Pr. 148, Pr. 149, Pr. 858, Pr. 868) ⋅ To set the stall prevention operation level using terminal 1 (analog input), set Pr. 868 Terminal 1 Current limit level (%) Set the current limit level at 10V/5V input function assignment to "4".
  • Page 164 Adjust the output torque of the motor (current) (7) Limit the stall prevention operation and fast response current limit operation according to the operating status (Pr. 156) ⋅ Refer to the following table and select whether fast response current limit operation will be performed or not and the operation to be performed at OL signal output.
  • Page 165: Multiple Rating (pr. 570)

    Adjust the output torque of the motor (current) 4.8.5 Multiple rating (Pr. 570) You can use the inverter by changing the overload current rating specifications according to load applications. Note that the control rating of each function changes. Parameter Setting Name Initial Value Description...
  • Page 166 Adjust the output torque of the motor (current) Pr. 570 Setting Refer Parameter Name Number Page (initial value) 0 to 120% 0 to 150% 0 to 220% 0 to 280% Setting Range Zero current detection level Initial Value Stall prevention 0 to 120% 0 to 150% 0 to 220%...
  • Page 167: Limit The Output Frequency

    Limit the output frequency 4.9 Limit the output frequency Purpose Parameter that must be Set Refer to Page Set upper limit and lower limit of Maximum/minimum Pr. 1, Pr. 2, Pr. 18 output frequency frequency Perform operation by avoiding Frequency jump Pr.
  • Page 168: Avoid Mechanical Resonance Points (frequency Jump) (pr. 31 To Pr. 36)

    Limit the output frequency 4.9.2 Avoid mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36) When it is desired to avoid resonance attributable to the natural frequency of a mechanical system, these parameters allow resonant frequencies to be jumped. Parameter Name Initial Value...
  • Page 169: Set V/f Pattern

    Set V/F pattern 4.10 Set V/F pattern Purpose Parameter that must be Set Refer to Page Base frequency, base Set motor ratings Pr. 3, Pr. 19, Pr. 47, Pr. 113 frequency voltage Select a V/F pattern according to Load pattern selection Pr.
  • Page 170 Set V/F pattern (3) Base frequency voltage setting (Pr. 19) ⋅ Use Pr. 19 Base frequency voltage to set the base voltage (e.g. rated motor voltage). ⋅ If the setting is less than the power supply voltage, the maximum output voltage of the inverter is as set in Pr. 19. ⋅...
  • Page 171: Load Pattern Selection (pr. 14)

    Set V/F pattern 4.10.2 Load pattern selection (Pr. 14) You can select the optimum output characteristic (V/F characteristic) for the application and load characteristics. Parameter Name Initial Value Setting Range Description Number For constant torque load For reduced-torque load For constant torque elevators (at reverse rotation boost of 0%) For constant torque elevators (at forward rotation boost of 0%)
  • Page 172 Set V/F pattern (4) Change load pattern selection using Pr. 14 RT(X17) Signal Output Characteristics Setting terminal (setting values are "4, 5") For constant torque load ⋅ Output characteristic can be switched between for (same as when the setting constant torque load and for elevator using the RT is "0") signal or X17 signal.
  • Page 173: Elevator Mode (automatic Acceleration/deceleration) (pr. 61, Pr. 64, Pr. 292)

    Set V/F pattern 4.10.3 Elevator mode (automatic acceleration/deceleration) (Pr. 61, Pr. 64, Pr. 292) Operation matching a load characteristic of elevator with counterweight can be performed. Setting Range Parameter Initial Name Description Number Value 200V class (400V class) 02150 (01100) 0 to 500A or less Set the reference current for elevator mode.
  • Page 174 Set V/F pattern (2) Adjustment of elevator mode (Pr. 61, Pr. 64) ⋅ By setting the adjustment parameters Pr. 61 and Pr. 64, the application range can be made wider. Setting Range Parameter Name Description Number 200V class (400V class) 02150 (01100) 0 to 500A For example, when the motor and inverter are different in...
  • Page 175: Adjustable 5 Points V/f (pr. 71, Pr. 100 To Pr. 109)

    Set V/F pattern 4.10.4 Adjustable 5 points V/F (Pr. 71, Pr. 100 to Pr. 109) A dedicated V/F pattern can be made by freely setting the V/F characteristic between a startup and the base frequency and base voltage under V/F control (frequency voltage/frequency). The torque pattern that is optimum for the machine's characteristic can be set.
  • Page 176: Frequency Setting By External Terminals

    Frequency setting by external terminals 4.11 Frequency setting by external terminals Purpose Parameter that must be Set Refer to Page Make frequency setting by Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Multi-speed operation combination of terminals Pr. 232 to Pr. 239 Perform jog operation Jog operation Pr.
  • Page 177 Frequency setting by external terminals REMARKS ⋅ The priorities of the frequency commands by the external signals are Inverter Forward "jog operation > multi-speed operation > terminal 4 analog input > rotation terminal 2 analog input". (Refer to page 289 for the frequency command by analog input) ⋅...
  • Page 178: Jog Operation (pr. 15, Pr. 16)

    Frequency setting by external terminals 4.11.2 Jog operation (Pr. 15, Pr. 16) You can set the frequency and acceleration/deceleration time for jog operation. Jog operation can be performed from either the outside or PU. Can be used for conveyor positioning, test operation, etc. Parameter Initial Name...
  • Page 179 Frequency setting by external terminals (2) Jog operation from PU Inverter ⋅ Set the PU (FR-DU07/FR-PU07/FR-PU04) to the jog operation mode. Operation is performed only Three-phase AC Motor power supply while the start button is pressed. FR-DU07 Operation Indication Confirmation of the RUN indication and operation mode indication The monitor mode should have been selected.
  • Page 180: Input Compensation Of Multi-speed And Remote Setting (pr. 28)

    Frequency setting by external terminals 4.11.3 Input compensation of multi-speed and remote setting (Pr. 28) By inputting the frequency setting compensation signal (terminal 1, 2), the speed (frequency) can be compensated for relative to the multi-speed setting or the speed setting by remote setting function. Parameter Name Initial Value...
  • Page 181 Frequency setting by external terminals (2) Frequency setting storage ⋅ The frequency setting storage function stores the remotely-set frequency (frequency set by RH/RM operation) into the memory (EEPROM). When power is switched off once, then on, operation is resumed with that output frequency value.
  • Page 182 Frequency setting by external terminals REMARKS During jog operation or PID control operation, the remote setting function is invalid. Setting frequency is "0" ⋅ Even when the remotely-set Remotely-set frequency stored last time frequency is cleared by turning on the RL (clear) signal after Within 1 minute turn off (on) of both the RH and Remotely-set frequency stored last time...
  • Page 183: Setting Of Acceleration/deceleration Time And Acceleration/deceleration Pattern

    Setting of acceleration/deceleration time and acceleration/deceleration pattern 4.12 Setting of acceleration/deceleration time and acceleration/deceleration pattern Purpose Parameter that must be Set Refer to Page Motor acceleration/deceleration time Pr. 7, Pr. 8, Pr. 20, Pr. 21, Acceleration/deceleration time setting Pr. 44, Pr. 45, Pr. 110, Pr. 111 Starting frequency and start- Starting frequency Pr.
  • Page 184 Setting of acceleration/deceleration time and acceleration/deceleration pattern (2) Deceleration time setting (Pr. 8, Pr. 20) ⋅ Use Pr. 8 Deceleration time to set the deceleration time required to reach 0Hz from Pr. 20 Acceleration/deceleration reference frequency. ⋅ Set the deceleration time according to the following formula. Pr.
  • Page 185: Starting Frequency And Start-time Hold Function (pr. 13, Pr. 571)

    Setting of acceleration/deceleration time and acceleration/deceleration pattern 4.12.2 Starting frequency and start-time hold function (Pr. 13, Pr. 571) You can set the starting frequency and hold the set starting frequency for a certain period of time. Set these functions when you need the starting torque or want to smooth motor drive at a start. Parameter Name Initial Value...
  • Page 186: Acceleration/deceleration Pattern

    Setting of acceleration/deceleration time and acceleration/deceleration pattern 4.12.3 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383, Pr. 516 to Pr. 519) You can set the acceleration/deceleration pattern suitable for application. You can also set the backlash measures that stop acceleration/deceleration once at the parameter-set frequency and time during acceleration/deceleration.
  • Page 187 Setting of acceleration/deceleration time and acceleration/deceleration pattern (3) S-pattern acceleration/deceleration B (Pr. 29 = "2") Setting value "2" [S-pattern acceleration ⋅ For prevention of load shifting in conveyor and other applications /deceleration B] Since acceleration/deceleration is always made in an S shape from current frequency (f2) to target frequency (f1), this function eases shock produced at acceleration/deceleration and is effective for load collapse prevention, etc.
  • Page 188 Setting of acceleration/deceleration time and acceleration/deceleration pattern (6) S-pattern acceleration/deceleration D (Pr. 29 = "5", Pr. 516 to Pr. 519) ⋅ Set the time taken for S-pattern operation of S-pattern acceleration/deceleration using Pr. 516 to Pr. 519. Set each S-pattern operation time for acceleration start (Pr. 516), acceleration completion (Pr.
  • Page 189: Shortest Acceleraiton/deceleration And Optimum Acceleration/deceleration (automatic Acceleration/deceleration) (pr. 61 To Pr. 63, Pr. 292, Pr. 293)

    Setting of acceleration/deceleration time and acceleration/deceleration pattern 4.12.4 Shortest acceleraiton/deceleration and optimum acceleration/deceleration (automatic acceleration/deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293) The inverter operates in the same conditions as when appropriate values are set in each parameter even if acceleration/deceleration time and V/F pattern are not set.
  • Page 190 Setting of acceleration/deceleration time and acceleration/deceleration pattern (2) Optimum acceleration/deceleration mode (Pr. 292 = "3") ⋅ The optimum operation within the rating range where the inverter can be continuously used regardless of the inverter capability is performed. Automatically set torque boost and acceleration/deceleration time so that the average current during acceleration/ deceleration is the rated current by the self-learning of the inverter.
  • Page 191: Selection And Protection Of A Motor

    Selection and protection of a motor 4.13 Selection and protection of a motor Purpose Parameter that must be Set Refer to Page Motor protection from overheat Electronic thermal O/L relay Pr. 9, Pr. 51 Use the constant torque motor Applied motor Pr.
  • Page 192 Selection and protection of a motor (2) Electronic thermal relay function operation characteristic (THT) Electronic thermal relay function (transistor protection thermal) operation characteristics of the inverter when the ratio of the motor current to the inverter rated current is presented as transverse is shown. Transverse is calculated as follows: (motor current [A]/inverter rated current [A]) ×...
  • Page 193 Selection and protection of a motor (3) Set multiple electronic thermal relay functions (Pr. 51) Use this function when rotating two motors of different rated currents individually by a single inverter. (When rotating two motors together, use external thermal relays.) ⋅...
  • Page 194 Selection and protection of a motor ⋅ A thermal protector is provided for a vector control dedicated motor (SF-V5RU). * Assign OH (external thermal input) signal to the Inverter SF-V5RU CS terminal. CS(OH) (Pr. 186 = "7") 2W1kΩ CS(OH) Control circuit Connect a 2W1kΩ...
  • Page 195: Applied Motor (pr. 71, Pr. 450)

    Selection and protection of a motor 4.13.2 Applied motor (Pr. 71, Pr. 450) Setting of the used motor selects the thermal characteristic appropriate for the motor. Setting is necessary when using a constant-torque motor. Thermal characteristic of the electronic thermal relay function suitable for the motor is set.
  • Page 196 Selection and protection of a motor REMARKS ⋅ When performing offline auto tuning, set "3, 7, 8, 13, 17, 18, 23, 33, 43, 53" in Pr. 71. (Refer to page 187 for offline auto tuning) ⋅ For the FR-F720-00240, 00330 and FR-F740-00120, 00170, the Pr. 0 Torque boost and Pr. 12 DC injection brake operation voltage settings are automatically changed according to the Pr.
  • Page 197: Offline Auto Tuning (pr. 71, Pr. 80 To Pr. 84, Pr. 90 To Pr. 94, Pr. 96, Pr. 450, Pr. 453 To Pr. 463, Pr. 684, Pr. 859, Pr. 860)

    Selection and protection of a motor 4.13.3 Offline auto tuning (Pr. 71, Pr. 80 to Pr. 84 , Pr. 90 to Pr. 94 , Pr. 96 , Pr. 450, Pr. 453 to Pr. 463, Pr. 684, Pr. 859, Pr. 860 Magnetic flux Magnetic flux Magnetic flux...
  • Page 198 Selection and protection of a motor Parameter Initial Setting Range Name Description Number Value 200V class (400V class) Offline auto tuning is not performed Offline auto tuning is performed without Auto tuning setting/ motor running status Offline auto tuning is performed with motor running 0 to 8, 13 to 18, 20, Set when using the second motor.
  • Page 199 Selection and protection of a motor Parameter Initial Setting Range Name Description Number Value 200V class (400V class) 02150 (01100) 0 to 500A Tuning data or less (The value measured by offline auto 02880 (01440) tuning is automatically set.) 0 to 3600A Torque current 9999 or more...
  • Page 200 Selection and protection of a motor (1) Before performing offline auto tuning Check the following before performing offline auto tuning. Make sure advanced magnetic flux vector control (Pr. 80, Pr. 81), real sensorless vector control or vector control (Pr. · 800) is selected.
  • Page 201 Selection and protection of a motor (3) Execution of tuning CAUTION · Before performing tuning, check the monitor display of the operation panel (FR-DU07) or parameter unit (FR-PU04/FR- PU07) if the inverter is in the state ready for tuning. (Refer to 2) below) When the start command is turned on under V/F control, the motor starts.
  • Page 202 Selection and protection of a motor 3)When offline auto tuning ends, press of the operation panel during PU operation. For external operation, turn off the start signal (STF signal or STR signal). This operation resets the offline auto tuning and the PU's monitor display returns to the normal indication. (Without this operation, next operation cannot be started.) REMARKS ·...
  • Page 203 Selection and protection of a motor (4) Utilizing or changing offline auto tuning data for use The data measured in the offline auto tuning can be read and utilized or changed. <Operating procedure> 1)Set Pr. 71 according to the motor used. Motor Pr.
  • Page 204 Selection and protection of a motor (5) Method to set the motor constants without using the offline auto tuning data The Pr. 92 and Pr. 93 motor constants may either be entered in [Ω] or in [mH]. Before starting operation, confirm which motor constant unit is used.
  • Page 205 Selection and protection of a motor • To enter the Pr. 92 and Pr. 93 motor constants in [mH] <Operating procedure> 1) Set Pr. 71 according to the motor used. Motor Pr.71 Setting Mitsubishi standard SF-JR motor SF-JR 4P 1.5kW or less Mitsubishi high SF-HR efficiency motor...
  • Page 206 Selection and protection of a motor (6) Tune second applied motor · When you want to switch two motors with one inverter, set the second motor in Pr. 450 Second applied motor (refer to page 185). Initial setting is without second applied motor. ·...
  • Page 207: Online Auto Tuning (pr. 95, Pr. 574)

    Selection and protection of a motor 4.13.4 Online auto tuning (Pr. 95, Pr. 574) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Vector Vector Vector When online auto tuning is selected under advanced magnetic flux vector control, real sensorless vector control or vector control, excellent torque accuracy is provided by temperature compensation even if the secondary resistance value of the motor varies with the rise of the motor temperature.
  • Page 208 Selection and protection of a motor (2) Magnetic flux observer (normal tuning) (setting value is "2") · When exercising vector control using a motor with encoder, it is effective for torque accuracy improvement. The current flowing in the motor and the inverter output voltage are used to estimate/observe the magnetic flux in the motor.
  • Page 209 Selection and protection of a motor (4) Tune second applied motor · When you want to switch two motors with one inverter, set the second motor in Pr. 450 Second applied motor.(Initial setting is without second applied motor. (Refer to page 185)) Perform tuning using Pr.
  • Page 210: Motor Brake And Stop Operation

    Motor brake and stop operation 4.14 Motor brake and stop operation Purpose Parameter that must be Set Refer to Page DC injection brake and zero speed Pr. 10 to Pr. 12, Motor braking torque adjustment control, servo lock Pr. 802, Pr. 850 Improve the motor braking torque Selection of a regenerative brake Pr.
  • Page 211 Motor brake and stop operation When Pr. 11 = "0.1 to 10s" (1) Operation frequency setting (Pr. 10) ⋅ When the frequency at which the DC injection brake (zero speed control, servo lock) operates is set in Pr. 10, the DC injection brake (zero speed control, servo lock) is operated when this frequency is reached during deceleration.
  • Page 212 Motor brake and stop operation (3) Operation voltage (torque) setting (Pr. 12) ⋅ Use Pr. 12 to set the percentage to the power supply voltage. (This parameter is not used during zero speed control or servo lock.) ⋅ When Pr. 12 = "0%", the DC injection brake is not operated. (At a stop, the motor coasts.) ⋅...
  • Page 213 Motor brake and stop operation (6) Pre-excitation signal (LX signal) ⋅ When the LX signal is turned on under real sensorless vector control or vector control, pre-excitation (zero speed control or servo lock) is exercised during a stop. ⋅ For the terminal used for LX signal input, set "23" in any of Pr. 178 to Pr. 186 to assign the function. When Pr.
  • Page 214: Selection Of Regenerative Brake And Dc Feeding (pr. 30, Pr. 70)

    Motor brake and stop operation 4.14.2 Selection of regenerative brake and DC feeding (Pr. 30, Pr. 70) When making frequent starts/stops, use the optional high-duty brake resistor (FR-ABR), brake unit (FR-BU2, BU, FR-BU, MT-BU) to increase the regenerative brake duty. Use a power regeneration common converter (FR-CV) or power regeneration converter (MT-RC) for continuous operation in regenerative status.
  • Page 215 Motor brake and stop operation <FR-A720-02880(FR-A740-01440) or more> Power Supply to the Pr. 30 Pr. 70 Regeneration Unit Inverter Setting Setting R/L1, S/L2, T/L3 (initial value) Brake unit ⎯ (FR-BU2 [other than MT-BU5 mode]) P/+, N/- R/L1, S/L2, T/L3 - P/+, N/- Power regeneration converter (MT-RC) R/L1, S/L2, T/L3 (initial value) R/L1, S/L2, T/L3...
  • Page 216 Motor brake and stop operation (5) DC feeding mode 1 (Pr. 30 = "10, 11") ⋅ Setting "10, 11" in Pr. 30 enables DC power supply operation. ⋅ Leave the AC power supply connection terminal R/L1, S/L2, and T/L3 open and connect the DC power supply to terminal P/+ and N/-.
  • Page 217 Motor brake and stop operation (6) DC feeding mode 2 (Pr. 30 = "20, 21") ⋅ When "20 or 21" is set in Pr. 30, operation is performed with AC power normally and with DC power such as battery at power failure. ⋅...
  • Page 218 Motor brake and stop operation ⋅ Operation example 1 at power failure Control power AC power supply DC power supply supply AC power supply Y85(MC) STF(STR) Motor Output coasting frequency (Hz) Time Approx. 150ms Back up operation ⋅ Operation example 2 at power failure (when DC power is restored) Control power supply Power restoration...
  • Page 219 Motor brake and stop operation (7) Power supply specification at DC feeding Rated input DC voltage 283VDC to 339VDC 200V class Permissible fluctuation 240VDC to 373VDC Rated input DC voltage 537VDC to 679VDC 400V class Permissible fluctuation 457VDC to 740VDC CAUTION ⋅...
  • Page 220: Stop Selection (pr. 250)

    Motor brake and stop operation 4.14.3 Stop selection (Pr. 250) Used to select the stopping method (deceleration to a stop or coasting) when the start signal turns off. Used to stop the motor with a mechanical brake, etc. together with switching off of the start signal. You can also select the operations of the start signals (STF/STR).
  • Page 221: Stop-on Contact Control Function (pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276)

    Motor brake and stop operation 4.14.4 Stop-on contact control function (Pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless To ensure accurate positioning at the upper limit etc. of a <Without stop-on-contact control>...
  • Page 222 Motor brake and stop operation (1) Set stop-on-contact control ⋅ Make sure that the inverter is in external operation mode. (Refer to page 308 ) ⋅ Select either real sensorless vector control or advanced magnetic flux vector control. ⋅ Set"1 or 3" in Pr. 270 Stop-on contact/load torque high-speed frequency control selection . ⋅...
  • Page 223 Motor brake and stop operation (3) Set frequency when stop-on-contact control (Pr. 270 = 1, 3) is selected ⋅ The following table lists the frequencies set when the input terminals (RH, RM, RL, RT, JOG) are selected together. Bold frame indicates stop-on-contact control is valid. ⋅...
  • Page 224: Brake Sequence Function (pr. 278 To Pr. 285, Pr. 292)

    Motor brake and stop operation 4.14.5 Brake sequence function (Pr. 278 to Pr. 285, Pr. 292) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Vector Vector Vector This function is used to output from the inverter the mechanical brake operation timing signal in vertical lift and other applications.
  • Page 225 Motor brake and stop operation (1) Set the brake sequence mode ⋅ Select either real sensorless vector control, vector control (speed control) or advanced magnetic flux vector control. The brake sequence function is valid only when the external operation mode, external/PU combined operation mode 1 or network operation mode is selected.
  • Page 226 Motor brake and stop operation (4) Protective functions If any of the following errors occurs in the brake sequence mode, the inverter results in an alarm, shuts off the output, and turns off the brake opening request signal (BOF). Error Display Description (Detection frequency) - (output frequency) >...
  • Page 227: Orientation Control (pr. 350 To Pr. 366, Pr. 369, Pr. 393, Pr. 396 To Pr. 399)

    Motor brake and stop operation 4.14.6 Orientation control (Pr. 350 to Pr. 366, Pr. 369, Pr. 393, Pr. 396 to Pr. 399) Magnetic flux Magnetic flux Magnetic flux Vector Vector Vector This function is used with a position detector (encoder) installed to the spindle of a machine tool, etc. to allow a rotation shaft to be stopped at the specified position (oriented).
  • Page 228 Motor brake and stop operation Parameter Initial Setting Name Description Number Value Range Orientation fault signal (ORM) is output when the encoder remains stopped for the set time without orientation completion in the state where no orientation complete Encoder stop check time 0.5s 0 to 5.0s signal (ORA) is output.
  • Page 229 Motor brake and stop operation (1) Connection example For complementary type (SF-V5RU) MCCB SF-V5RU SF-JR motor with encoder MCCB Inverter Three-phase R/L1 AC power Three-phase S/L2 supply AC power T/L3 supply Inverter Forward rotation start Earth (Ground) FR-A7AP Reverse rotation start Earth (Ground) External Orientation command...
  • Page 230 Motor brake and stop operation (3) Selecting stop position command (Pr. 350 Stop position command selection ) ⋅ Select either the internal stop position command (Pr. 356) or the external stop position command (16-bit data using the FR-A7AX). Pr. 350 Setting Stop Position Command Source Internal stop position command (Pr.
  • Page 231 Motor brake and stop operation • Relationship between stop position command and 16-bit data Operation Pr. 350 Pr. 360 Stop position 16 bit data 16 bit data selection Stop position command Speed command command selection (FR-A7AX) 0: speed command Internal (Pr. 356) Speed command 16 bit data 0:internal...
  • Page 232 Motor brake and stop operation (6) Orientation operation (under V/F control, advanced magnetic flux vector control) Orientation during running 1) When the orientation command (X22) is input, the motor speed decreases to the orientation speed set in Pr. 351 Orientation speed . (Pr. 351 initial value: 2Hz) 2) After the speed reaches the orientation speed, the speed decreases to the creep speed set in Pr.
  • Page 233 Motor brake and stop operation Orientation from stop After turning on the orientation command (X22), turning on the start signal will increase the motor speed to the orientation speed set in Pr. 351 Orientation speed, then orientation operation same as when "orientation during running" is performed.
  • Page 234 Motor brake and stop operation Servo torque selection (Pr. 358 ) Valid only under V/F control and advanced magnetic flux vector control. Pr. 358 Setting Remarks Function 0 1 2 3 4 5 6 7 8 9 10 11 12 13 1) Servo torque function selection With servo torque function ×...
  • Page 235 Motor brake and stop operation Position loop gain (Pr. 362 ) When servo torque function is selected using Pr. 358 Servo torque selection , output frequency for generating servo torque increases to the creep speed of Pr. 352 Creep speed gradually according to the slope set in Pr. 362 Orientation position loop gain .
  • Page 236 Motor brake and stop operation 3) Orientation from the reverse rotation direction • If the motor is running in the reverse rotation direction, it will make an orientation stop with the same method as "orientation from the current rotation direction". Speed (forward rotation) •...
  • Page 237 Motor brake and stop operation Pr. 399 Orientation deceleration ratio (initial value is 20) • Make adjustments as shown below according to the orientation status. (Refer to the Pr. 396 and Pr. 397 details also.) Generally adjust Pr. 362 in the range from 5 to 20, and Pr. 399 from 5 to 50. Adjustment Procedure Phenomenon REMARKS...
  • Page 238: Function Assignment Of External Terminal And Control

    Function assignment of external terminal and control 4.15 Function assignment of external terminal and control Purpose Parameter that must be Set Refer to Page Input terminal function Assign function to input terminal Pr. 178 to Pr. 189 selection Set MRS signal (output shutoff) to MRS input selection Pr.
  • Page 239 Function assignment of external terminal and control Signal Refer to Setting Function Related Parameters Name Page Pr. 44 to Pr. 51, Pr. 450 to Pr. 463, Second function selection Pr. 569, Pr. 832, Pr. 836, etc. Pr. 270 = 1, 3 Stop-on-contact selection 1 Pr.
  • Page 240 Function assignment of external terminal and control CAUTION ⋅ Changing the terminal assignment using Pr. 178 to Pr. 189 (input terminal function selection) may affect the other functions. Please make setting after confirming the function of each terminal. ⋅ One function can be assigned to two or more terminals. In this case, the terminal inputs are ORed. ⋅...
  • Page 241: Inverter Output Shutoff Signal (mrs Signal, Pr. 17)

    Function assignment of external terminal and control 4.15.2 Inverter output shutoff signal (MRS signal, Pr. 17) The inverter output can be shut off from the MRS signal. The logic of the MRS signal can also be selected. Parameter Initial Setting Name Description Number...
  • Page 242: Condition Selection Of Function Validity By The Second Function Selection Signal (rt) And Third Function Selection Signal (x9) (rt Signal, X9 Signal, Pr. 155)

    Function assignment of external terminal and control 4.15.3 Condition selection of function validity by the second function selection signal (RT) and third function selection signal (X9) (RT signal, X9 signal, Pr. 155) You can select the second (third) function using the RT(X9) signal. You can also set the condition (reflection conditon) where the second function and third function become valid.
  • Page 243: Start Signal Operation Selection (stf, Str, Stop Signal, Pr. 250)

    Function assignment of external terminal and control 4.15.4 Start signal operation selection (STF, STR, STOP signal, Pr. 250) You can select the operation of the start signal (STF/STR). Used to select the stopping method (deceleration to a stop or coasting) when the start signal turns off. Used to stop the motor with a mechanical brake, etc.
  • Page 244 Function assignment of external terminal and control (2) 3-wire type (STF, STR, STOP signal) ⋅ A three-wire type connection is shown below. ⋅ The start self-holding selection becomes valid when the STOP signal is turned on. In this case, the forward/reverse rotation signal functions only as a start signal.
  • Page 245: Magnetic Flux Decay Output Shutoff Signal (x74 Signal)

    Function assignment of external terminal and control 4.15.5 Magnetic flux decay output shutoff signal (X74 signal) Performing frequent start/stop (inching operation) with mechanical brake using output shutoff signal (MRS) during real sensorless vector control may cause an inverter alarm (electronic thermal realy function alarm: E.THT, etc) due to residual magnetic flux and an error in monitor output (running speed, motor torque, load meter, torque command, torque current command, motor output).
  • Page 246: Output Terminal Function Selection (pr. 190 To Pr. 196)

    Function assignment of external terminal and control 4.15.6 Output terminal function selection (Pr. 190 to Pr. 196) You can change the functions of the open collector output terminal and relay output terminal. Parameter Initial Name Initial Signal Setting Range Number Value RUN terminal RUN (inverter running)
  • Page 247 Function assignment of external terminal and control Setting Signal Related Refer to Function Operation Positive Negative Name Parameters Page Logic Logic Output when the feedback value falls below PID lower limit the lower limit of PID control. Output when the feedback value rises above Pr.
  • Page 248 Function assignment of external terminal and control Setting Signal Related Refer to Function Operation Positive Negative Name Parameters Page Logic Logic Output when any of the control circuit capacitor, main circuit capacitor and inrush Life alarm Pr. 255 to Pr. 259 current limit circuit or the cooling fan approaches the end of its service life.
  • Page 249 Function assignment of external terminal and control (2) Inverter operation ready signal (RY, RY2 signal) and inverter running signal (RUN, RUN2, RUN3 signal) Under V/F control, advanced magnetic flux vector control Power ⋅ When the inverter is ready to operate, the output of the supply operation ready signal (RY) is on.
  • Page 250: Vector Control

    Function assignment of external terminal and control Under real sensor less vector control, vector control ⋅ When the inverter is ready to operate, the output of the operation ready signal (RY) is on. (It is also on during inverter running.) ⋅...
  • Page 251 Function assignment of external terminal and control (3) Forward rotation and reverse rotation signal (Y30, Y31 signal) ⋅ The status during forward rotation (Y30) and reverse Pre-excitation rotation (Y31) are output from the actual motor speed under vector control. Forward Actual ⋅...
  • Page 252 Function assignment of external terminal and control (5) Alarm output signal (ALM, ALM2 signal) ⋅ If the inverter comes to an alarm stop, the ALM and ALM2 Inverter alarm occurrence signals are output. (output shutoff) ⋅ The ALM2 signal remains on during a reset period after alarm occurrence.
  • Page 253: Detection Of Output Frequency (su, Fu, Fu2 , Fu3, Fb, Fb2, Fb3, Ls Signal, Pr. 41 To Pr. 43, Pr. 50, Pr. 116, Pr. 865)

    Function assignment of external terminal and control 4.15.7 Detection of output frequency (SU, FU, FU2 , FU3, FB, FB2, FB3, LS signal, Pr. 41 to Pr. 43, Pr. 50, Pr. 116, Pr. 865) The inverter output frequency is detected and output to the output signal. Parameter Initial Setting...
  • Page 254 Function assignment of external terminal and control (3) Low speed detection (LS signal, Pr. 865) ⋅ The low speed detection signal (LS) is output when the output frequency reduces below the Pr. 865 Low speed detection setting. Pr.865 ⋅ When speed control is performed by real sensorless vector control or vector control, an alarm (E.OLT) is Time displayed and the inverter output is stopped if frequency...
  • Page 255: Output Current Detection Function (y12 Signal, Y13 Signal, Pr. 150 To Pr. 153, Pr. 166, Pr. 167)

    Function assignment of external terminal and control 4.15.8 Output current detection function (Y12 signal, Y13 signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167) The output power during inverter running can be detected and output to the output terminal. Parameter Name Initial Value...
  • Page 256: Detection Of Output Torque (tu Signal, Pr. 864)

    Function assignment of external terminal and control (2) Zero current detection (Y13 signal, Pr. 152, Pr. 153) ⋅ If the output current remains lower than the Pr. 152 setting Output during inverter operation for longer than the time set in Pr. current 153, the zero current detection (Y13) signal is output from Pr.152...
  • Page 257: Remote Output Function (rem Signal, Pr. 495 To Pr. 497)

    Function assignment of external terminal and control 4.15.10 Remote output function (REM signal, Pr. 495 to Pr. 497) You can utilize the on/off of the inverter's output signals instead of the remote output terminal of the programmable logic controller. Parameter Initial Setting Name...
  • Page 258: Monitor Display And Monitor Output Signal

    Monitor display and monitor output signal 4.16 Monitor display and monitor output signal Purpose Parameter that must be Set Refer to Page Display motor speed Speed display and speed Pr. 37, Pr. 144, Pr. 505, Pr. 811 Set speed setting DU/PU main display data Change PU monitor display data selection...
  • Page 259 Monitor display and monitor output signal ⋅ To display the machine speed, set in Pr. 37 the machine speed for operation with frequency set in Pr. 505. For example, when Pr. 505 = "60Hz" and Pr. 37 = "1000", "1000" is displayed on the running speed monitor when the running frequency is 60Hz.
  • Page 260: Du/pu, Fm, Am Terminal Monitor Display Selection (pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)

    Monitor display and monitor output signal 4.16.2 DU/PU, FM, AM terminal monitor display selection (Pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891) The monitor to be displayed on the main screen of the operation panel (FR-DU07)/parameter unit (FR-PU04/FR- PU07) can be selected.
  • Page 261 Monitor display and monitor output signal Pr. 52 Setting Full-scale Pr. 54 (FM) Value of the Types of Monitor Increments Pr. 158 (AM) Description PU main Terminal FM DU LED Setting monitor and AM Display the motor speed The value (The display differs depending on the Pr.
  • Page 262 PLC function × 0.1% 100% Refer to the FR-A700 PLC function output programming manual for details of the PLC function. Frequency setting to output terminal status on the PU main monitor are selected by "other monitor selection" of the parameter unit (FR-PU04, FR-PU07).
  • Page 263 Monitor display and monitor output signal (2) Display set frequency during stop (Pr. 52) Pr. 52 ⋅ When Pr. 52 is set to "100", the set frequency monitor Type of Monitor is displayed during a stop and the output frequency During During During...
  • Page 264 Monitor display and monitor output signal (4) Cumulative power monitor and clear (Pr. 170, Pr. 891) ⋅ On the cumulative power monitor (Pr. 52 = "25"), the output power monitor value is added up and is updated in 1h increments. ⋅...
  • Page 265: Reference Of The Terminal Fm (pulse Train Output) And Am (analog Voltage Output) (pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867)

    Monitor display and monitor output signal 4.16.3 Reference of the terminal FM (pulse train output) and AM (analog voltage output) (Pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867) Two types of monitor output, pulse train output from the terminal FM and analog voltage output from the terminal AM, are available.
  • Page 266 Monitor display and monitor output signal High speed pulse train output circuit • When Pr. 291 Pulse train I/O selection = "10, 11, 20, 21, 100", (connection example with a pulse counter) high speed pulse train is output by open collector output. Pulse train of maximum of 55k pulses/s is output.
  • Page 267 Monitor display and monitor output signal (2) Frequency monitoring reference (Pr. 55) • Set the frequency to be based when the frequency is selected as the output of the terminal FM and terminal AM. • Set the inverter output frequency (set frequency) at which the pulse speed of the terminal FM is 1440 pulses/s (50K pulses/s).
  • Page 268: Terminal Fm, Am Calibration (calibration Parameter C0 (pr. 900), C1 (pr. 901))

    Monitor display and monitor output signal 4.16.4 Terminal FM, AM calibration (Calibration parameter C0 (Pr. 900), C1 (Pr. 901)) By using the operation panel or parameter unit, you can calibrate terminal FM and terminal AM to full scale deflection. Parameter Name Initial Value Setting Range...
  • Page 269 Monitor display and monitor output signal (2) AM terminal calibration (C1 (Pr. 901)) ⋅ Terminal AM is factory-set to provide a 10VDC output in the full-scale status of the corresponding monitor item. Calibration parameter C1 (Pr. Inverter 901) allows the output voltage ratios (gains) to be adjusted according to the meter scale.
  • Page 270 Monitor display and monitor output signal (3) How to calibrate the terminal FM when using the operation panel (FR-DU07) Operation Display (When Pr. 54=1) Confirmation of the RUN indication and operation mode indication The parameter Press to choose the parameter number read setting mode.
  • Page 271: Operation Selection At Power Failure And Instantaneous Power Failure

    Operation selection at power failure and instantaneous power failure 4.17 Operation selection at power failure and instantaneous power failure Purpose Parameter that must be Set Refer to Page At instantaneous power failure Automatic restart operation Pr. 57, Pr. 58, Pr. 162 to Pr. 165, occurrence, restart inverter without after instantaneous power Pr.
  • Page 272 Operation selection at power failure and instantaneous power failure (1) Automatic restart after instantaneous power failure operation ⋅ When instantaneous power failure protection (E.IPF) and undervotage 15ms to 100ms protection (E.UVT) are activated, the inverter output is shut off. (Refer to Power page 406 for E.IPF and E.UVT.) supply...
  • Page 273 Operation selection at power failure and instantaneous power failure Without frequency search When Pr. 162 = 1, 11 (without frequency serch) When Pr. 162 = "1" or "11", automatic restart operation is performed in a reduced voltage system, where the voltage is V/F control, advanced magnetic flux vector control gradually risen with the output frequency unchanged from prior to an instantaneous power failure independently of the...
  • Page 274 Operation selection at power failure and instantaneous power failure (4) Restart coasting time (Pr. 57) ⋅ Coasting time is the time from when the motor speed is detected until automatic restart control is started. ⋅ Set Pr. 57 to "0" to perform automatic restart operation. The coasting time is automatically set to the value below. Generally this setting will pose no problems.
  • Page 275: Power Failure-time Deceleration-to-stop Function (pr. 261 To Pr. 266, Pr. 294 )

    Operation selection at power failure and instantaneous power failure 4.17.2 Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266, Pr. 294 ) When a power failure or undervoltage occurs, the inverter can be decelerated to a stop or can be decelerated and re-accelerated to the set frequency.
  • Page 276 Operation selection at power failure and instantaneous power failure (3) Power failure stop mode (Pr. 261 = "1, 11") ⋅ If power is restored during power failure deceleration, deceleration to Pr.261 = 1 Power a stop is continued and the inverter remains stopped. To restart, turn supply off the start signal once, then turn it on again.
  • Page 277 Operation selection at power failure and instantaneous power failure (6) Power failure deceleration signal (Y46 signal) ⋅ After deceleration at an instantaneous power failure, inverter can not start even if the start command is given. In this case, check the power failure deceleration signal (Y46 signal). (at occurrence of input phase failure protection (E.ILF), etc.) ⋅...
  • Page 278: Operation Setting At Alarm Occurrence

    Operation setting at alarm occurrence 4.18 Operation setting at alarm occurrence Refer to Purpose Parameter that must be Set Page Recover by retry operation at alarm Retry operatoin Pr. 65, Pr. 67 to Pr. 69 occurrence Output alarm code from terminal Alarm code output function Pr.
  • Page 279 Operation setting at alarm occurrence ⋅ Using Pr. 65 you can select the alarm that will cause a retry to be executed. No retry will be made for the alarm not indicated. (Refer to page 400 for the alarm description.) indicates the errors selected for retry.
  • Page 280: Alarm Code Output Selection (pr. 76)

    Operation setting at alarm occurrence 4.18.2 Alarm code output selection (Pr. 76) At alarm occurrence, its description can be output as a 4-bit digital signal from the open collector output terminals.The alarm code can be read by a programmable controller, etc., and its corrective action can be shown on a display, etc.
  • Page 281: Input/output Phase Failure Protection Selection (pr. 251, Pr. 872)

    Operation setting at alarm occurrence 4.18.3 Input/output phase failure protection selection (Pr. 251, Pr. 872) You can disable the output phase failure protection function that stops the inverter output if one of the inverter output side (load side) three phases (U, V, W) opens. The input phase failure protection function of the inverter input side (R/L1, S/L2, T/L3) can be made valid.
  • Page 282: Fault Definition (pr. 875)

    Operation setting at alarm occurrence 4.18.6 Fault definition (Pr. 875) When motor thermal protection is activated, an alarm can be output after the motor decelerates to a stop. Initial Parameter Setting Name Description Number Range Value Normal operation Fault definition The motor decelerates to stop when motor thermal protection is activated.
  • Page 283: Energy Saving Operation And Energy Saving Monitor

    Energy saving operation and energy saving monitor 4.19 Energy saving operation and energy saving monitor Refer to Purpose Parameter that must be Set Page Energy saving operation Energy saving operation Pr. 60 Pr. 52, Pr. 54, Pr. 158, How much energy can be saved Energy saving monitor Pr.
  • Page 284: Energy Saving Monitor (pr. 891 To Pr. 899)

    Energy saving operation and energy saving monitor 4.19.2 Energy saving monitor (Pr. 891 to Pr. 899) From the power consumption estimated value during commercial power supply operation, the energy saving effect by use of the inverter can be monitored/output. Parameter Initial Setting Range Name...
  • Page 285 Energy saving operation and energy saving monitor (1) Energy saving monitor list ⋅ The following provides the items that can be monitored by the power saving monitor (Pr. 52, Pr. 54, Pr. 158 = "50"). (Only 1) power saving and 3) power saving average value can be output to Pr. 54 (terminal FM) and Pr. 158 (terminal AM)) Energy Saving Incre-...
  • Page 286 Energy saving operation and energy saving monitor (2) Power saving instantaneous monitor ( 1) power savings, 2) power saving rate ) ⋅ On the power saving monitor ( 1)), an energy saving effect as compared to the power consumption during commercial power supply operation (estimated value) is calculated and displays on the main monitor.
  • Page 287 Energy saving operation and energy saving monitor (5) Power estimated value of commercial power supply operation (Pr. 892, Pr. 893, Pr. 894) ⋅ Select the commercial power supply operation pattern from among the four patterns of discharge damper control (fan), inlet damper control (fan), valve control (pump) and commercial power supply drive, and set it to Pr. 894 Control selection during commercial power-supply operation.
  • Page 288 Energy saving operation and energy saving monitor (6) Annual power saving amount, power charge (Pr. 899) ⋅ By setting the operation time rate [%] (ratio of time when the motor is actually driven by the inverter during a year) in Pr. 899, the annual energy saving effect can be predicted. ⋅...
  • Page 289: Motor Noise, Noise Reduction

    Motor noise, noise reduction 4.20 Motor noise, noise reduction 4.20.1 PWM carrier frequency and Soft-PWM control (Pr. 72, Pr. 240, Pr. 260) You can change the motor sound. Parameter Initial Setting Range Name Description Number Value 200V class (400V class) 02150(01100) PWM carrier frequency can be changed.
  • Page 290 Motor noise, noise reduction (2) Soft-PWM control (Pr. 240) ⋅ Soft-PWM control is a control method that changes the motor noise from a metallic tone into an unoffending complex tone. (3) PWM carrier frequency automatic reduction function (Pr. 260) For PWM carrier frequency automatic reduction function, the following should be noted. Multiple rating (Pr.
  • Page 291: Frequency/torque Setting By Analog Input (terminal 1, 2, 4)

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21 Frequency/torque setting by analog input (terminal 1, 2, 4) Purpose Parameter that must be Set Refer to Page Function assignment of analog input Terminal 1 and terminal 4 function Pr. 858, Pr. 868 terminal assignment Selection of voltage/current input...
  • Page 292: Analog Input Selection (pr. 73, Pr. 267)

    Frequency/torque setting by analog input (terminal 1, 2, 4) REMARKS ⋅ When "1 or 4" is set in both Pr. 868 and Pr. 858, terminal 1 is made valid and terminal 4 has no function. ⋅ When "1" (magnetic flux), "4" (stall prevention/torque limit) is set in Pr. 868, functions of terminal 4 become valid independently of whether the AU terminal is on or off.
  • Page 293 Frequency/torque setting by analog input (terminal 1, 2, 4) ⋅ Refer to the following table and set Pr. 73 and Pr. 267. ( indicates the main speed setting) Terminal 4 Input Compensation Input Pr. 73 Terminal 2 Terminal 1 Pr. 73 Terminal and Polarity Setting...
  • Page 294 Frequency/torque setting by analog input (terminal 1, 2, 4) (2) Perform operation by analog input voltage Inverter Forward ⋅ The frequency setting signal inputs 0 to 5VDC (or 0 to 10VDC) to across rotation the terminals 2-5. The 5V (10V) input is the maximum output frequency. The maximum output frequency is reached when 5V (10V) is input.
  • Page 295: Analog Input Compensation (pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253)

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21.3 Analog input compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253) A fixed ratio of analog compensation (override) can be made by the added compensation or terminal 2 as an auxiliary input for multi-speed operation or the speed setting signal (main speed) of the terminal 2 or terminal 4.
  • Page 296 Frequency/torque setting by analog input (terminal 1, 2, 4) (2) Override function (Pr. 252, Pr. 253) ⋅ Use the override function to change the main speed at a fixed ratio. ⋅ Set any of "4, 5, 14, 15" in Pr. 73 to select an override. ⋅...
  • Page 297: Response Level Of Analog Input And Noise Elimination (pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849)

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21.4 Response level of analog input and noise elimination (Pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849) Response level and stability of frequency reference command and torque reference command by analog input (terminal 1, 2, 4) signal can be adjusted.
  • Page 298 Frequency/torque setting by analog input (terminal 1, 2, 4) (2) Time constant of analog input (Pr. 74) ⋅ Effective for eliminating noise in the frequency setting circuit. ⋅ Increase the filter time constant if steady operation cannnot be performed due to noise. A larger setting results in slower response (The time constant can be set between approximately 10ms to 1s with the setting of 0 to 8).
  • Page 299: Bias And Gain Of Frequency Setting Voltage (current) (pr. 125, Pr. 126, Pr. 241, C2(pr. 902) To C7(pr. 905), C12(pr. 917) To C15(pr. 918))

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21.5 Bias and gain of frequency setting voltage (current) (Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905), C12(Pr. 917) to C15(Pr. 918)) You can set the magnitude (slope) of the output frequency as desired in relation to the frequency setting signal (0 to 5V, 0 to 10V or 0 to 20mADC).
  • Page 300 Frequency/torque setting by analog input (terminal 1, 2, 4) (1) The relationship between analog input terminal and calibration parameter Terminal 1 functional calibration parameter Calibration Parameters Pr. 868 Terminal Function Setting Bias setting Gain setting C2(Pr. 902) Terminal 2 frequency setting bias frequency Pr.
  • Page 301 Frequency/torque setting by analog input (terminal 1, 2, 4) (2) Change frequency maximum Initial value analog input. (Pr. 125, Pr. 126) 60Hz ⋅ Set a value in Pr. 125 (Pr. 126) when changing only the frequency setting (gain) of the maximum analog input power (current).
  • Page 302 Frequency/torque setting by analog input (terminal 1, 2, 4) (5) Frequency setting voltage (current) bias/gain adjustment method (a)Method to adjust any point by application of voltage (current) to across the terminals 2-5 (4-5). Operation Display Confirmation of the RUN indication and operation mode indication The inverter must be at a stop.
  • Page 303 Frequency/torque setting by analog input (terminal 1, 2, 4) (b) Method to adjust any point without application of a voltage (current) to across terminals 2-5(4-5). (To change from 4V (80%) to 5V (100%)) Operation Display Confirmation of the RUN indication and operation mode indication The inverter must be at a stop.
  • Page 304 Frequency/torque setting by analog input (terminal 1, 2, 4) (c) Method to adjust only the frequency without adjustment of a gain voltage (current). (When changing the gain frequency from 60Hz to 50Hz) Display Operation Pr. 125) or Terminal 2 input Terminal 4 input (Pr.
  • Page 305: Bias And Gain Of Torque (magnetic Flux) Setting Voltage (current)

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21.6 Bias and gain of torque (magnetic flux) setting voltage (current) (Pr. 241, C16(Pr. 919) to C19(Pr. 920), C38 (Pr. 932) to C41 (Pr. 933)) Sensorless Sensorless Sensorless Vector Vector Vector You can set the magnitude (slope) of the torque as desired in relation to the torque setting signal (0 to 5VDC, 0 to 10V or 4 to 20mA).
  • Page 306 Frequency/torque setting by analog input (terminal 1, 2, 4) Terminal 4 functional calibration parameter Calibration Parameters Pr. 858 Terminal Setting Function Bias setting Gain setting Frequency (speed) C5(Pr. 904) Terminal 4 frequency setting bias frequency Pr. 126 Terminal 4 frequency setting gain frequency (initial command/speed C6(Pr.
  • Page 307 Frequency/torque setting by analog input (terminal 1, 2, 4) (6) Adjustment method of torque setting voltage (current) bias and gain a) Method to adjust any point without application of a voltage (current) to across terminals 1-5(4-5) Operation Display Confirmation of the RUN indication and operation mode indication The inverter must be at a stop.
  • Page 308 Frequency/torque setting by analog input (terminal 1, 2, 4) b) Method to adjust any point without application of a voltage (current) to across terminals 1-5(4-5) (To change from 8V (80%) to 10V (100%)) Operation Display Confirmation of the RUN indication and operation mode indication The inverter must be at a stop.
  • Page 309 Frequency/torque setting by analog input (terminal 1, 2, 4) c) Method to adjust torque only without adjustment of gain voltage (current) (when changing gain torque from 150% to 130%) Operation Display Pr.920) or Terminal 1 input Terminal 4 input (Pr.933) appears. Press to show the currently set value.
  • Page 310: 4ma Input Check Of Current Input (pr. 573)

    Frequency/torque setting by analog input (terminal 1, 2, 4) 4.21.7 4mA input check of current input (Pr. 573) When inputting 4 to 20mA current to terminal 2 or terminal 4, decrease in analog current input is detected to enable continuous operation even if input has decreased. Parameter Setting Name...
  • Page 311 Frequency/torque setting by analog input (terminal 1, 2, 4) (2) Function related to 4mA input check Refer to Function Operation (Pr. 573 = 1) page Minimum frequency Even if the input current decreases, minimum frequency setting clamp is valid. Operation by multiple speed signal has precedence even if input current decreases. Multi-speed operation (Frequency is not retained when the input current decreases.) Operation stops when a multi-speed signal turns off.
  • Page 312: Misoperation Prevention And Parameter Setting Restriction

    Misoperation prevention and parameter setting restriction 4.22 Misoperation prevention and parameter setting restriction Purpose Parameter that must be Set Refer to Page Limit reset function Reset selection/disconnected Make alarm stop when PU is disconnected Pr. 75 PU detection/PU stop selection Stop from PU Parameter write disable Prevention of parameter rewrite...
  • Page 313 Misoperation prevention and parameter setting restriction (1) Reset selection • You can select the operation timing of reset function (RES signal, reset command through communication) input. • When Pr. 75 is set to any of "1, 3, 15, 17, 101, 103, 115, 117", a reset can be input only when the protective function is activated.
  • Page 314 Misoperation prevention and parameter setting restriction (4) Restarting method when stop was made by pressing from the PU during external operation (a) When operation panel (FR- DU07) is used Speed 1)After the motor has decelerated to a stop, turn off the STF or STR signal.
  • Page 315: Parameter Write Selection (pr. 77)

    Misoperation prevention and parameter setting restriction 4.22.2 Parameter write selection (Pr. 77) You can select whether write to various parameters can be performed or not. Use this function to prevent parameter values from being rewritten by misoperation. Parameter Setting Name Initial Value Description Number...
  • Page 316: Reverse Rotation Prevention Selection (pr. 78)

    Misoperation prevention and parameter setting restriction 4.22.3 Reverse rotation prevention selection (Pr. 78) This function can prevent reverse rotation fault resulting from the incorrect input of the start signal. Parameter Name Initial Value Setting Range Description Number Both forward and reverse rotations allowed Reverse rotation prevention selection...
  • Page 317 Misoperation prevention and parameter setting restriction (2) User group function (Pr. 160, Pr. 172 to Pr. 174) ⋅ The user group function is designed to display only the parameters necessary for setting. ⋅ From among all parameters, a maximum of 16 parameters can be registered to a user group. When Pr. 160 is set to "1", only the parameters registered to the user group can be accessed.
  • Page 318: Selection Of Operation Mode And Operation Location

    Selection of operation mode and operation location 4.23 Selection of operation mode and operation location Refer to Purpose Parameter that must be Set Page Operation mode selection Operation mode selection Pr. 79 Started in network operation mode Operation mode at power on Pr.
  • Page 319 Selection of operation mode and operation location (1) Operation mode basics ⋅ The operation mode is to specify the source of inputting the start command and set frequency of the inverter. Personal computer ⋅ Select "external operation mode" when PU operation performing operation by basically using the control mode circuit terminals and providing potentiometers,...
  • Page 320: Parameter Setting

    Selection of operation mode and operation location (3) Operation mode selection flow In the following flowchart, select the basic parameter setting and terminal connection related to the operation mode. START Connection Parameter setting Operation Where is the start command source? From external (STF/STR terminal) Where is the frequency set?
  • Page 321 Selection of operation mode and operation location (4) External operation mode (setting "0" (initial value), "2") ⋅ Select the external operation mode when performing operation providing frequency setting potentiometer, start switch, etc. externally connecting them to the control circuit terminals of the inverter.
  • Page 322 Selection of operation mode and operation location (6) PU/external combined operation mode 1 (setting "3") ⋅ Select the PU/external combined operation mode 1 when making frequency setting from the operation panel (FR-DU07) or parameter unit (FR-PU04/FR- PU07) and inputting the start command with the external start switch.
  • Page 323 Selection of operation mode and operation location (8) Switch-over mode (setting "6") ⋅ While continuing operation, you can switch between the PU operation, external operation and network operation (when RS-485 terminals or communication option is used). Operation Mode Switching Switching Operation/Operating Status Select the PU operation mode with the operation panel or parameter unit.
  • Page 324 Selection of operation mode and operation location (10) Switching of operation mode by external terminal (X16 signal) ⋅ When external operation and operation from the operation panel are used together, use of the PU-external operation switching signal (X16) allows switching between the PU operation mode and external operation mode during a stop (during a motor stop, start command off).
  • Page 325 Selection of operation mode and operation location (11) Switching of operation mode by external terminal (X65, X66 signal) ⋅ When Pr. 79 = any of "0, 2, 6, 7", the operation mode switching signals (X65, X66) can be used to change the PU or external operation mode to network operation mode during a stop (during a motor stop or start command off).
  • Page 326: Operation Mode At Power On (pr. 79, Pr. 340)

    Selection of operation mode and operation location 4.23.2 Operation mode at power on (Pr. 79, Pr. 340) When power is switched on or when power comes back on after instantaneous power failure, the inverter can be started up in network operation mode. After the inverter has started up in the network operation mode, parameter write and operation can be performed from a program.
  • Page 327: Operation Command Source And Speed Command Source During Communication Operation (pr. 338, Pr. 339, Pr. 550, Pr. 551)

    Selection of operation mode and operation location 4.23.3 Operation command source and speed command source during communication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551) When the RS-485 terminals or communication option is used, the external operation command and speed command can be made valid.
  • Page 328 Selection of operation mode and operation location (3) Controllability through communcation Operation External/PU External/PU NET Operation NET Operation Condition Combined Combined Mode Operation External (when RS-485 (when (Pr. 551 Operation Mode Operation communication Location Operation Operation terminals are Mode 2 Setting) option is used) used)
  • Page 329 Selection of operation mode and operation location Operation External/PU External/PU NET Operation NET Operation Condition Combined Combined Mode Operation External (when RS-485 (when (Pr. 551 Operation Mode Operation communication Location Operation Operation terminals are Mode 2 Setting) option is used) used) Item (Pr.
  • Page 330 Selection of operation mode and operation location (5) Selection of control source in network operation mode (Pr. 338, Pr. 339) ⋅ As control sources, there are the operation command sources that control the signals related to the inverter start command and function selection and the speed command source that controls the signals related to frequency setting. ⋅...
  • Page 331 Selection of operation mode and operation location Pr. 338 Communication operation command 0: NET 1: External Operation source Location Remarks Pr. 339 Communication speed command Selection 0: NET 1:External 2:External 0: NET 1:External 2:External source Torque bias selection 1 External Torque bias selection 2 External External...
  • Page 332: Communication Operation And Setting

    Communication operation and setting 4.24 Communication operation and setting Refer to Purpose Parameter that must be Set Page Initial setting of computer link Communication operation from PU connector Pr. 117 to Pr. 124 communication (PU connector) Initial setting of computer link Pr.
  • Page 333: System Configuration

    Maker FA-T-RS40 Mitsubishi Electric Engineering Co., Ltd. * The converter cable cannot connect two or more inverters (the computer and inverter are connected on a 1:1 basis). Since the product is packed with the RS-232C cable and RS-485 cable (10BASE-T + RJ-45 connector), the cable and connector need not be prepared separately.
  • Page 334: Wiring And Arrangement Of Rs-485 Terminals

    Communication operation and setting 4.24.2 Wiring and arrangement of RS-485 terminals (1) RS-485 terminal layout Name Description RDA1 OPEN Inverter receive+ (RXD1+) RDB1 Inverter receive- Terminating resistor switch (RXD1-) Factory-set to "OPEN". RDA2 Inverter receive+ Set only the terminating resistor switch of (RXD2+) (for branch) 100Ω...
  • Page 335 Communication operation and setting (3) RS-485 terminal system configuration Connection of a computer to the inverter (1:1 connection) Computer Computer Inverter Inverter RS-485 RS-485 RS-485 terminals terminals Maximum RS-232C 15m (49.2 feet) interface/ cable terminals Converter Twisted pair cable Twisted pair cable *Set the terminating resistor switch to the "100Ω"...
  • Page 336 Communication operation and setting (4) RS-485 terminal wiring method Wiring of one RS-485 computer and one inverter Computer Wiring of one RS-485 computer and "n" inverters (several inverters) Computer Station 0 Station 1 Station n Make connections in accordance with the manual of the computer used. Fully check the terminal numbers of the computer since they change with the model.
  • Page 337: Initial Settings And Specifications Of Rs-485 Communication

    Communication operation and setting 4.24.3 Initial settings and specifications of RS-485 communication (Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549) Used to perform required settings for communication between the inverter and personal computer. There are two different communications: communication using the PU connector of the inverter and communication using the RS-485 terminals.
  • Page 338: Communication Eeprom Write Selection (pr. 342)

    Communication operation and setting [RS-485 terminal communication related parameter] Parameter Initial Name Setting Range Description Number Value RS-485 communication station Set the inverter station number. (same 0 to 31 (0 to 247) number specifications as Pr. 117) 3, 6, 12, 24, 48, Used to select the communication speed.
  • Page 339: Mitsubishi Inverter Protocol (computer Link Communication)

    Communication operation and setting 4.24.5 Mitsubishi inverter protocol (computer link communication) You can perform parameter setting, monitor, etc. from the PU connector or RS-485 terminals of the inverter using the Mitsubishi inverter protocol (computer link communication). (1) Communication specifications ⋅ The communication specifications are given below. Related Item Description...
  • Page 340 Communication operation and setting (3) Communication operation presence/absence and data format types ⋅ Data communication between the computer and inverter is made in ASCII code (hexadecimal code). ⋅ Communication operation presence/absence and data format types are as follows: Running Parameter Inverter Parameter Operation...
  • Page 341 Communication operation and setting (4) Data definitions 1) Control codes Signal Name ASCII Code Description Start Of Text (start of data) End Of Text (end of data) Enquiry (communication request) Acknowledge (no data error detected) Line Feed Carriage Return Negative Acknowledge (data error detected) 2) Inverter station number Specify the station number of the inverter which communicates with the computer.
  • Page 342 Communication operation and setting 7) Error Code If any error is found in the data received by the inverter, its definition is sent back to the computer together with the NAK code. Error Error Item Error Description Inverter Operation Code The number of errors consecutively detected in communication Computer NAK error request data from the computer is greater than allowed number of...
  • Page 343 Communication operation and setting (6) Retry count setting (Pr. 121, Pr. 335) ⋅ Set the permissible number of retries at occurrence of a data receive error. (Refer to page 332 for data receive error for retry) ⋅ When data receive errors occur consecutively and exceed the permissible number of retries set, an inverter alarm (E.PUE) is provided and the output is shut off.
  • Page 344 Communication operation and setting (8) Instructions for the program 1) When data from the computer has any error, the inverter does not accept that error. Hence, in the user program, always insert a retry program for data error. 2) All data communication, e.g. run command or monitoring, are started when the computer gives a communication request.
  • Page 345 Communication operation and setting (9) Setting items and set data After completion of parameter setting, set the instruction codes and data then start communication from the computer to allow various types of operation control and monitoring. Number of Read/ Instruction Item Data Description Data Digits...
  • Page 346 Communication operation and setting Number of Read/ Instruction Item Data Description Data Digits Write Code (format) All parameters return to the initial values. Any of four different all clear operations are performed according to the data. Communi- Calibration Other Pr. cation Pr.
  • Page 347 Communication operation and setting List of calibration parameters Instruction Instruction Instruction code code code Para Para Para Name Name Name meter meter meter Terminal 2 frequency Terminal 1 bias Terminal 4 bias 5E DE 1 11 91 20 A0 (902) setting bias frequency (917) frequency (speed)
  • Page 348 Communication operation and setting [Alarm data] Refer to page 399 for details of alarm description. Data Description Data Description Data Description Alarm description display example (instruction code H74) No alarm E.PTC E.OD E.OC1 E.OPT E.MB1 For read data H30A0 (Previous alarm ..THT) E.OC2 E.OP3 E.MB2...
  • Page 349 Communication operation and setting [Inverter status monitor] Instruction Item Description Example Code Length b0:RUN (inverter running)* [Example 1] H02 During forward b1:Forward rotation rotation b2:Reverse rotation Inverter b3:SU (up to frequency) * status 8bit b4:OL (overload) * monitor [Example 2] H80 Stop at alarm b5:IPF (instantaneous power failure) * occurrence...
  • Page 350: Modbus-rtu Communication Specifications (pr. 331, Pr. 332, Pr. 334, Pr. 343, Pr. 539, Pr. 549)

    Communication operation and setting 4.24.6 Modbus-RTU communication specifications (Pr. 331, Pr. 332, Pr. 334, Pr. 343, Pr. 539, Pr. 549) Using the Modbus-RTU communication protocol, communication operation or parameter setting can be performed from the RS-485 terminals of the inverter. Parameter Name Initial Value...
  • Page 351 Communication operation and setting (2) Outline The Modbus protocol is the communication protocol developed by Modicon for PLC. The Modbus protocol performs serial communication between the master and slave using the dedicated message frame. The dedicated message frame has the functions that can perform data read and write. Using the functions, you can read and write the parameter values from the inverter, write the input command of the inverter, and check the operating status.
  • Page 352 Communication operation and setting (4) Message frame (protocol) Communication method Basically, the master sends a query message (question) and the slave returns a response message (response). When communication is normal, Device Address and Function Code are copied as they are, and when communication is abnormal (function code or data code is illegal), bit 7 (= 80h) of Function Code is turned on and the error code is set to Data Bytes.
  • Page 353 Communication operation and setting (5) Message format types The message formats corresponding to the function codes in Table 1 on page 342 will be explained. Read holding register data (H03 or 03) Can read the description of 1) system environment variables, 2) real-time monitor, 3) alarm history, and 4) inverter parameters assigned to the holding register area (refer to the register list (page 348)).
  • Page 354 Communication operation and setting Write multiple holding register data (H06 or 06) You can write the description of 1) system environment variables and 4) inverter parameters assigned to the holding register area (refer to the register list (page 348)). Query message 1) Slave Address 2) Function 3) Register Address 4) Preset Data...
  • Page 355 Communication operation and setting Function diagnosis (H08 or 08) A communication check can be made since the query message sent is returned unchanged as a response message (function of subfunction code H00). Subfunction code H00 (Return Query Data) Query Message 1) Slave Address 2) Function 3) Subfunction 4) Date...
  • Page 356 Communication operation and setting ⋅ Description of normal response 1) to 4) (including CRC check) of the normal response are the same as those of the query message. Example) To write 0.5s (H05) to 41007 (Pr. 7) at the slave address 25 (H19) and 1s (H0A) to 41008 (Pr. 8). Query Message Slave Starting...
  • Page 357 Communication operation and setting Error response An error response is returned if the query message received from the master has an illegal function, address or data. No response is returned for a parity, CRC, overrun, framing or busy error. CAUTION No response message is sent in the case of broadcast communication also.
  • Page 358 Communication operation and setting (6) Modbus registers System environment variable Register Definition Read/Write Remarks 40002 Inverter reset Write Any value can be written 40003 Parameter clear Write Set H965A as a written value. 40004 All parameter clear Write Set H99AA as a written value. 40006 Parameter clear Write...
  • Page 359 Communication operation and setting Real-time monitor Refer to page 250 for details of the monitor description. Register Definition Increments Register Definition Increments Register Definition Increments 40201 Output frequency 0.01Hz 0.01kW/ 40226 Torque command 0.1% 40213 Input power 0.1kW 0.01A/ Torque current 40202 Output current 40227...
  • Page 360 Communication operation and setting Parameter Parameters Register Parameter Name Read/Write Remarks 41000 to Refer to the parameter list (page 71) for The parameter number + 41000 is the 0 to 999 Read/write 41999 the parameter names. register number. Terminal 2 frequency setting bias C2(902) 41902 Read/write...
  • Page 361 Communication operation and setting Alarm history Register Definition Read/Write Remarks 40501 Alarm history 1 Read/write 40502 Alarm history 2 Read Being 2 bytes in length, the data is stored as 40503 Alarm history 3 Read "H00 ". The error code can be referrred to in 40504 Alarm history 4 Read...
  • Page 362 Communication operation and setting (9) Signal loss detection (Pr. 539 Modbus-RTU communication check time interval) If a signal loss (communication stop) is detected between the inverter and master as a result of a signal loss detection, a communication error (E.SER) occurs and the inverter output is shut off. ·...
  • Page 363: Operation By Plc Function (pr. 414 To Pr. 417, Pr. 498, Pr. 506 To Pr. 515)

    The result of operation performed in the sequence Parameter 8 for user program can also be monitored using Pr. 506 to Pr. 515. Parameter 9 for user Parameter 10 for user Refer to the FR-A700 PLC function programming manual for details of the PLC function.
  • Page 364: Usb Communication (pr. 547, Pr. 548)

    Communication operation and setting 4.24.8 USB communication (Pr. 547, Pr. 548) Inverter setup can be easily performed using the FR-Configurator by connecting the inverter and personal computer with a USB cable. A personal computer and inverter can be easily connected with one USB cable. Parameter Name Initial Value...
  • Page 365: Special Operation And Frequency Control

    Special operation and frequency control 4.25 Special operation and frequency control Refer Purpose Parameter that must be Set to Page Perform process control such as pump and air Pr. 127 to Pr. 134, PID control volume. Pr. 575 to Pr. 577 Switch between the inverter operation and Commercial power supply- Pr.
  • Page 366: Special Operation And Frequency Control

    Pr. 129, Pr. 130, Pr. 133 and Pr. 134 can be set during operation. They can also be set independently of the operation mode. For details, refer to the FR-A700 PLC FUNCTION PROGRAM MANUAL. (1) PID control basic configuration ⋅Pr.
  • Page 367 Special operation and frequency control (2) PID action overview 1) PI action A combination of P action (P) and I action (I) for providing a Deviation Set point manipulated variable in response to deviation and changes with time. Measured value [Operation example for stepped changes of measured value] P action (Note) PI action is the sum of P and I actions.
  • Page 368 Special operation and frequency control 4)Reverse action Increases the manipulated variable (output frequency) if deviation X = (set point - measured value) is positive, and decreases the manipulated variable if deviation is negative. Deviation Set point [Heating] X>0 Cold Increase Decrease X<0 point...
  • Page 369 Special operation and frequency control (4) I/O signals and parameter setting ⋅ Turn on the X14 signal to perform PID control. When this signal is off, PID action is not performed and normal inverter operation is performed. (Note that it is not necessary to turn on X14 signal when performing PID control with using LONWORKS or CC-Link communication.
  • Page 370 Special operation and frequency control (5) PID control automatic switchover control (Pr. 127) ⋅ For a fast system startup at an operation start, the system can be started up in normal operation mode only at a start. ⋅ When the frequency is set to Pr. 127 PID control automatic switchover frequency within the range 0 to 400Hz, the system starts up in normal operation mode from a start until Pr.
  • Page 371 Special operation and frequency control (8) Adjustment procedure Adjust the PID control parameters, Pr. 127 to Pr. 134 and Pr. 575 to Pr. 577. Parameter setting Set the I/O terminals for PID control. (Pr. 178 to Pr. 189 (input terminal Terminal setting function selection), Pr.
  • Page 372 Special operation and frequency control <Set point input calibration> 1. Apply the input voltage of 0% set point setting (e.g. 0V) across terminals 2-5. 2. Enter in C2 (Pr. 902) the frequency which should be output by the inverter at the deviation of 0% (e.g. 0Hz). 3.
  • Page 373: Bypass-inverter Switchover Function (pr. 57, Pr. 58, Pr. 135 To Pr. 139, Pr. 159)

    Special operation and frequency control 4.25.2 Bypass-inverter switchover function (Pr. 57, Pr. 58, Pr. 135 to Pr. 139, Pr. 159) The complicated sequence circuit for bypass operation is built in the inverter. Hence, merely inputting the start, stop or automatic switchover selection signal facilitates the interlock operation of the switchover magnetic contactor.
  • Page 374 Special operation and frequency control (1) Connection diagram ⋅ The following shows the connection diagram of a typical electronic bypass sequence. Sink logic, Pr. 185 = "7", Pr. 192 = "17", Pr. 193 = "18", Pr. 194 = "19" Take caution for the capacity of the sequence output terminal. The used terminal changes depending on the setting of Pr.
  • Page 375 Special operation and frequency control ⋅ The input signals are as indicated below. MC Operation Signal Terminal Used Function Operation ON ..Bypass-inverter operation ⎯ ⎯ enabled Operation enable/disable selection OFF ... Bypass-inverter operation × disabled change × ON..Inverter operation Inverter/bypass ×...
  • Page 376 Special operation and frequency control (2) Electronic bypass operation sequence ⋅ Operation sequence example when there is no automatic switchover sequence (Pr. 139 = "9999") Power supply Operation interlock ON : Operation enabled (MRS) OFF: Operation disabled Inverter run command ON : Forward rotation (STF) OFF: Stop...
  • Page 377 Special operation and frequency control (3) Operation procedure 1)Procedure for operation Operation pattern ⋅ Pr. 135 = "1" (open collector output terminal of inverter) Power supply ON ⋅ Pr. 136 = "2.0s" ⋅ Pr. 137 = "1.0s" (Set the time longer than the time from when Setting the parameters MC3 actually turns on until the inverter and motor are connected.
  • Page 378: Load Torque High Speed Frequency Control (pr. 4, Pr. 5, Pr. 270 To Pr. 274)

    Special operation and frequency control 4.25.3 Load torque high speed frequency control (Pr. 4, Pr. 5, Pr. 270 to Pr. 274) Load torque high speed frequency control is a function <Without high-speed <With high-speed which automatically sets the operational maximum frequency control>...
  • Page 379 Special operation and frequency control (1) Load torque high speed frequency control setting · Set "2 or 3" in Pr. 270 Stop-on contact/load torque high-speed frequency control selection. · When operating with the load torque high speed frequency function selection signal (X19) on, the inverter automatically changes the maximum frequency within the setting range of Pr.
  • Page 380: Droop Control (pr. 286 To Pr. 288)

    Special operation and frequency control 4.25.4 Droop control (Pr. 286 to Pr. 288) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Vector Vector Vector This function is designed to balance the load in proportion to the load torque to provide the speed drooping characteristic under advanced magnetic flux vector control, real sensorless vector control and vector control.
  • Page 381 Special operation and frequency control (2) Limit the frequency after droop compensation (0 limit) · Setting Pr. 288 under real sensorless vector control or vector control can limit the frequency command when the frequency after droop compensation is negative. Description Pr.
  • Page 382: Frequency Setting By Pulse Train Input (pr. 291, Pr. 384 To Pr. 386)

    Special operation and frequency control 4.25.5 Frequency setting by pulse train input (Pr. 291, Pr. 384 to Pr. 386) The inverter speed can be set by inputting pulse train from terminal JOG. In addition, synchronous speed operation of inverters can be performed by combining pulse train I/O. Parameter Initial Setting...
  • Page 383 Special operation and frequency control * When the wiring length of the open collector output connection is long, input pulse can not be recognized because of a pulse shape deformation due to the stray capacitances of the wiring. When wiring length is long (10m (32.8feet) or more of 0.75mm twisted cable is recommended), connect an open collector output signal and power supply using a pull up resistance.
  • Page 384 Special operation and frequency control (4) Synchronous speed operation by pulse I/O Inverter (master) To next inverter (slave) Pull up resistance* Speed Speed Pulse train command command input To next inverter (slave) Pulse train Pulse train output output * When the wiring length between FM and JOG is long, a pulse shape is deformed due to the stray capacitances of the wiring and input pulse can not be recognized.
  • Page 385: Encoder Feedback Control (pr. 144, Pr. 285, Pr. 359, Pr. 367 To Pr. 369)

    Special operation and frequency control 4.25.6 Encoder feedback control (Pr. 144, Pr. 285, Pr. 359, Pr. 367 to Pr. 369) Magnetic flux Magnetic flux Magnetic flux This controls the inverter output frequency so that the motor speed is constant to the load variation by detecting the motor speed with the speed detector (encoder) to feed it back to the inverter.
  • Page 386 Special operation and frequency control (2) Selection of encoder feedback control (Pr. 367 ) ⋅ When a value other than "9999" is set in Pr. 367 Speed feedback range, encoder feedback control is valid. Regeneration load Speed feedback range Driven load Using the set point (frequency at which stable speed operation is performed) as reference, set the higher and Set value...
  • Page 387: Regeneration Avoidance Function (pr. 665, Pr. 882 To Pr. 886)

    Special operation and frequency control 4.25.7 Regeneration avoidance function (Pr. 665, Pr. 882 to Pr. 886) This function detects a regenerative status and increases the frequency to avoid the regenerative status. Possible to avoid regeneration by automatically increasing the frequency and continue operation if the fan happens to rotate faster than the set speed due to the effect of another fan in the same duct.
  • Page 388 Special operation and frequency control (2) To detect the regenerative status during deceleration faster (Pr. 884) ⋅ As the regeneration avoidance function cannot respond to an abrupt voltage change by detection of the bus voltage level, the ratio of bus voltage change is detected to stop deceleration if the bus voltage is less than Pr. 883 Regeneration avoidance operation level.
  • Page 389: Useful Functions

    Useful functions 4.26 Useful functions Refer to Purpose Parameter that must be Set Page Increase cooling fan life Cooling fan operation selection Pr. 244 Inverter part life display Pr. 255 to Pr. 259 To determine the maintenance time Maintenance output function Pr.
  • Page 390: Display Of The Life Of The Inverter Parts (pr. 255 To Pr. 259)

    Useful functions 4.26.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259) Degrees of deterioration of main circuit capacitor, control circuit capacitor, cooling fan and inrush current limit circuit can be diagnosed by monitor. When any part has approached the end of its life, an alarm can be output by self diagnosis to prevent a fault. (Use the life check of this function as a guideline since the life except the main circuit capacitor is calculated theoretically.) For the life check of the main circuit capacitor, the alarm signal (Y90) will not be output if a measuring method of...
  • Page 391 Useful functions (1) Life alarm display and signal output (Y90 signal, Pr. 255) ⋅ Whether any of the control circuit capacitor, main circuit capacitor, cooling fan and inrush current limit circuit has reached the life alarm output level or not can be checked by Pr. 255 Life alarm status display and life alarm signal (Y90). •...
  • Page 392 Useful functions (4) Main circuit capacitor life display (Pr. 258, Pr. 259) ⋅ The deterioration degree of the main circuit capacitor is displayed in Pr. 258 as a life. ⋅ On the assumption that the main circuit capacitor capacitance at factory shipment is 100%, the capacitor life is displayed in Pr.
  • Page 393: Maintenance Timer Alarm (pr. 503, Pr. 504)

    Useful functions 4.26.3 Maintenance timer alarm (Pr. 503, Pr. 504) When the cumulative energization time of the inverter reaches the parameter set time, the maintenance timer output signal (Y95) is output. (MT) is displayed on the operation panel (FR-DU07). This can be used as a guideline for the maintenance time of peripheral devices. Parameter Name Initial Value...
  • Page 394: Current Average Value Monitor Signal (pr. 555 To Pr. 557)

    Useful functions 4.26.4 Current average value monitor signal (Pr. 555 to Pr. 557) The average value of the output current during constant speed operation and the maintenance Output Input unit unit timer value are output as a pulse to the current Inverter average value monitor signal (Y93).
  • Page 395 Useful functions (3) Setting of Pr. 557 Current average value monitor signal output reference current Set the reference (100%) for outputting the signal of the current average value. Obtain the time to output the signal from the following formula. Output current average value ×...
  • Page 396: Free Parameter (pr. 888, Pr. 889)

    Useful functions 4.26.5 Free parameter (Pr. 888, Pr. 889) You can input any number within the setting range 0 to 9999. For example, the number can be used: ⋅ As a unit number when multiple units are used. ⋅ As a pattern number for each operation application when multiple units are used. ⋅...
  • Page 397: Setting Of The Parameter Unit And Operation Panel

    Setting of the parameter unit and operation panel 4.27 Setting of the parameter unit and operation panel Purpose Parameter that must be Set Refer to Page Switch the display language of the PU display language selection Pr. 145 parameter unit Use the setting dial of the operation panel like a volume for frequency Operation panel operation selection...
  • Page 398 Setting of the parameter unit and operation panel (1) Using the setting dial like a volume to set the frequency. Operation example Changing the frequency from 0Hz to 60Hz during operation Operation Display Screen at powering on The monitor display appears. PU indication is lit.
  • Page 399: Buzzer Control (pr. 990)

    Setting of the parameter unit and operation panel (2) Disable the setting dial and key operation of the operation panel (Press [MODE] long (2s)) ⋅ Operation using the setting dial and key of the operation panel can be made invalid to prevent parameter change and unexpected start and stop.
  • Page 400: Parameter Clear

    Parameter clear 4.28 Parameter clear POINT · Set "1" in Pr. CL parameter clear to initialize all parameters. (Parameters are not cleared when "1" is set in Pr. 77 Parameter write selection. In addition, calibration parameters are not cleared.) Operation Display Screen at powering on The monitor display appears.
  • Page 401: All Parameter Clear

    All parameter clear 4.29 All parameter clear POINT · Set "1" in ALLC parameter clear to initialize all parameters. (Parameters are not cleared when "1" is set in Pr. 77 Parameter write selection. In addition, calibration parameters are not cleared.) Display Operation Screen at powering on...
  • Page 402: Parameter Copy And Parameter Verification

    Verify parameters in the inverter and operation panel. (Refer to page 47.) REMARKS · When the copy destination inverter is not the FR-A700 series or parameter copy write is performed after parameter copy read is stopped, "model error ( )" is displayed.
  • Page 403: Parameter Verification

    " and " " flicker to complete verification. Flicker ··· Parameter verification complete!! REMARKS When the copy destination inverter is not the FR-A700 series, "model error ( )" is displayed. flickers ... Why? Set frequencies, etc. may be different. Check set frequencies.
  • Page 404: Check And Clear Of The Alarm History

    Check and clear of the alarm history 4.31 Check and clear of the alarm history (1) Check for the alarm (major fault) history Monitor/frequency setting Parameter setting [Operation panel is used [Parameter setting change] for operation] Alarm history [Operation for displaying alarm history] Eight past alarms can be displayed with the setting dial.
  • Page 405 Check and clear of the alarm history (2) Clearing procedure POINT · The alarm history can be cleared by setting "1" in Er.CL Alarm history clear. Display Operation Screen at powering on The monitor display appears. The parameter Press to choose the parameter number previously setting mode.
  • Page 406 MEMO...
  • Page 407: Protective Functions

    5 PROTECTIVE FUNCTIONS This chapter describes the basic "PROTECTIVE FUNCTION" for use of this product. Always read the instructions before using the equipment 5.1 Reset method of protective function......398 5.2 List of alarm display ..........399 5.3 Causes and corrective actions ........400 5.4 Correspondences between digital and actual characters ...............413 5.5 Check first when you have troubles ......414...
  • Page 408: Reset Method Of Protective Function

    Reset method of protective function When an alarm (major failures) occurs in the inverter, the protective function is activated bringing the inverter to an alarm stop and the PU display automatically changes to any of the following error (alarm) indications. If your fault does not correspond to any of the following errors or if you have any other problem, please contact your sales representative.
  • Page 409: List Of Alarm Display

    List of alarm display 5.2 List of alarm display Operation Panel Refer Operation Panel Refer Name Name Indication Indication Output side earth (ground) E.GF E - - - Alarm history fault overcurrent HOLD Operation panel lock E.LF Output phase failure External thermal relay E.OHT Er1 to 4 Parameter write error...
  • Page 410: Causes And Corrective Actions

    Causes and corrective actions 5.3 Causes and corrective actions (1) Error message A message regarding operational troubles is displayed. Output is not shut off. Operation Panel HOLD Indication Name Operation panel lock Description Operation lock mode is set. Operation other than is made invalid.
  • Page 411 2. Check that the power is not turned off or an operation panel is not disconnected, etc. during parameter copy read. 1. Use the same model (FR-A700 series) for parameter copy and verification. Corrective action 2. Perform parameter copy read again.
  • Page 412 Causes and corrective actions (2) Warnings When the protective function is activated, the output is not shut off. Operation Panel FR-PU04 Indication FR-PU07 Name Stall prevention (overcurrent) When the output current (output torque during real sensorless vector control or vector control) of the inverter exceeds the stall prevention operation level (Pr.
  • Page 413 Causes and corrective actions Operation Panel FR-PU04 Indication FR-PU07 Name Regenerative brake prealarm Appears if the regenerative brake duty reaches or exceeds 85% of the Pr. 70 Special regenerative brake duty value. If the regenerative brake duty reaches 100%, a regenerative overvoltage (E. OV_) occurs. Description The RBP signal can be simultaneously output with the [RB] display.
  • Page 414 Causes and corrective actions (4) Major fault When the protective function is activated, the inverter output is shut off and an alarm is output. Operation Panel FR-PU04 E.OC1 OC During Accs Indication FR-PU07 Name Overcurrent shut-off during acceleration When the inverter output current reaches or exceeds approximately 220% of the rated current during Description acceleration, the protective circuit is activated to stop the inverter output.
  • Page 415 Causes and corrective actions Operation Panel FR-PU04 E.OV1 OV During Acc Indication FR-PU07 Name Regenerative overvoltage shut-off during acceleration If regenerative energy causes the inverter's internal main circuit DC voltage to reach or exceed the Description specified value, the protective circuit is activated to stop the inverter output. The circuit may also be activated by a surge voltage produced in the power supply system.
  • Page 416 Causes and corrective actions FR-PU04 Operation Panel E.FIN H/Sink O/Temp Indication FR-PU07 Name Fin overheat If the heatsink overheats, the temperature sensor is actuated to stop the inverter output. The FIN signal can be output when the temperature becomes approximately 85% of the heatsink Description overheat protection operation temperature.
  • Page 417 Causes and corrective actions FR-PU04 Operation Panel Stll Prev STP ( OL shown during stall E.OLT Indication prevention operation) FR-PU07 Name Stall prevention If the frequency has fallen to 0.5Hz by stall prevention operation and remains for 3s, an alarm (E.OLT) appears to shutoff the inverter output.
  • Page 418 Causes and corrective actions FR-PU04 Operation Panel E.OPT Option Fault Indication FR-PU07 Name Option alarm Appears when the AC power supply is connected to the terminal R/L1, S/L2, T/L3 accidentally when a high power factor converter is connected. Description Appears when torque command by the plug-in option is selected using Pr. 804 Torque command source selection and no plug-in option is mounted.
  • Page 419 Causes and corrective actions FR-PU04 Fault 14 Operation Panel E.PE2 Indication FR-PU07 PR storage alarm Name Parameter storage device alarm (main circuit board) Description A fault occurred in parameters stored (EEPROM failure) Check point —————— Corrective action Please contact your sales representative. Operation Panel FR-PU04 E.PUE...
  • Page 420 Causes and corrective actions Operation Panel FR-PU04 E.OS Overspeed occurrence Indication FR-PU07 Name Overspeed occurence Appears when the motor speed reaches and exceeds the overspeed setting level under encoder Description feedback control, real sensorless vector control or vector control. · Check that the Pr. 374 Overspeed detection level value is correct. Check point ·...
  • Page 421 Causes and corrective actions Operation Panel FR-PU04 E.P24 E.P24 Indication FR-PU07 Name 24VDC power output short circuit When the 24VDC power output from the PC terminal is shorted, this function shuts off the power output. Description At this time, all external contact inputs switch off. The inverter cannot be reset by entering the RES signal.
  • Page 422 Causes and corrective actions Operation Panel FR-PU04 E.11 Fault 11 Indication FR-PU07 Name Opposite rotation deceleration error The speed may not decelerate during low speed operation if the rotation direction of the speed command and the estimated speed differ when the rotation is changing from forward to reverse or from Description reverse to forward during torque control under real sensorless vector control.
  • Page 423: Correspondences Between Digital And Actual Characters

    Correspondences between digital and actual characters 5.4 Correspondences between digital and actual characters There are the following correspondences between the actual alphanumeric characters and the digital characters displayed on the operation panel. Actual Digital Actual Digital Actual Digital...
  • Page 424: Check First When You Have Troubles

    Check first when you have troubles 5.5 Check first when you have troubles When performing real sensorless vector control or vector control, refer to trouble shooting on page 109 (speed control), page 128 (torque control) and page 140 (position control) in addition to the following check points. POINT If the cause is still unknown after every check, it is recommended to initialize the parameters (initial value) then reset the required parameter values and check again.
  • Page 425: Motor Generates Heat Abnormally

    Check first when you have troubles 5.5.3 Motor generates heat abnormally Is the fan for the motor is running? (Check for accumulated dust.) Check that the load is not too heavy. Lighten the load. Check that the inverter output voltages (U, V, W) balanced. Check that the Pr.
  • Page 426: Speed Varies During Operation

    Check first when you have troubles 5.5.9 Speed varies during operation When advanced magnetic flux vector control, real sensorless vector control, vector control or encoder feedback control is exercised, the output frequency varies with load fluctuation between 0 and 2Hz. This is a normal operation and is not a fault.
  • Page 427: Precautions For Maintenance And Inspection

    PRECAUTIONS FOR MAINTENANCE AND INSPECTION This chapter provides the "PRECAUTIONS FOR MAINTENANCE AND INSPECTION" of this product. Always read the instructions before using the equipment 6.1 Inspection item ............418 6.2 Measurement of main circuit voltages, currents and powers..............426...
  • Page 428: Inspection Item

    Inspection item The inverter is a static unit mainly consisting of semiconductor devices. Daily inspection must be performed to prevent any fault from occurring due to the adverse effects of the operating environment, such as temperature, humidity, dust, dirt and vibration, changes in the parts with time, service life, and other factors. •...
  • Page 429: Daily And Periodic Inspection

    Inspection item 6.1.3 Daily and periodic inspection Interval Corrective Action at Inspection Item Description Alarm Occurrence Check the ambient temperature, humidity, dirt, Surrounding Improve emvironment environment corrosive gas, oil mist , etc. Check alarm location and General Overall unit Check for unusual vibration and noise. retighten Power supply Check that the main circuit voltages and control...
  • Page 430: Display Of The Life Of The Inverter Parts

    Inspection item 6.1.4 Display of the life of the inverter parts The self-diagnostic alarm is output when the life span of the control circuit capacitor, cooling fan, each parts of the inrush current limit circuit is near to give an indication of replacement time . The life alarm output can be used as a guideline for life judgement.
  • Page 431: Cleaning

    Inspection item 6.1.6 Cleaning Always run the inverter in a clean status. When cleaning the inverter, gently wipe dirty areas with a soft cloth immersed in neutral detergent or ethanol. CAUTION Do not use solvent, such as acetone, benzene, toluene and alcohol, as they will cause the inverter surface paint to peel off. The display, etc.
  • Page 432 Inspection item (1) Cooling fan The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit semiconductor is greatly affected by the ambient temperature. When unusual noise and/or vibration is noticed during inspection, the cooling fan must be replaced immediately.
  • Page 433 Inspection item • Reinstallation (FR-A720-00080 to 03460, FR-A740-00060 to 02600) 1)After confirming the orientation of the fan, reinstall the fan so that the arrow on the left of "AIR FLOW" faces up. AIR FLOW <Fan side face> 2)Reconnect the fan connectors. FR-A720-00240 to 00460 FR-A720-00080 to 00175 FR-A740-00120 to 00310...
  • Page 434 Inspection item • Removal (FR-A740-03250 or more) 1) Remove a fan cover. 2) After removing a fan connector, remove a fan block. 3) Remove the fan. Fan * Fan connection connector * The number of cooling fans differs according to the inverter capacity. (refer to page 422.) •...
  • Page 435: Inverter Replacement

    Inspection item (3) Smoothing capacitors A large-capacity aluminum electrolytic capacitor is used for smoothing in the main circuit DC section, and an aluminum electrolytic capacitor is used for stabilizing the control power in the control circuit. Their characteristics are deteriorated by the adverse effects of ripple currents, etc.
  • Page 436: Measurement Of Main Circuit Voltages, Currents And Powers

    Measurement of main circuit voltages, currents and powers 6.2 Measurement of main circuit voltages, currents and powers Since the voltages and currents on the inverter power supply and output sides include harmonics, measurement data depends on the instruments used and circuits measured. When instruments for commercial frequency are used for measurement, measure the following circuits with the instruments given on the next page.
  • Page 437 Measurement of main circuit voltages, currents and powers Measuring points and instruments Measuring Item Measuring Instrument Remarks (Reference Measured Value) Point Across R/L1-S/ Commercial power supply Power supply voltage L2, S/L2-T/L3, T/ Moving-iron type AC voltmeter Within permissible AC voltage fluctuation L3-R/L1 (Refer to page 432) Power supply side...
  • Page 438: Measurement Of Powers

    Measurement of main circuit voltages, currents and powers 6.2.1 Measurement of powers Using an electro-dynamometer type meter, measure the power in both the input and output sides of the inverter using the two- or three-wattmeter method. As the current is liable to be imbalanced especially in the input side, it is recommended to use the three-wattmeter method.
  • Page 439: Measurement Of Currents

    Measurement of main circuit voltages, currents and powers 6.2.3 Measurement of currents Use a moving-iron type meter on both the input and output sides of the inverter. However, if the carrier frequency exceeds 5kHz, do not use that meter since an overcurrent losses produced in the internal metal parts of the meter will increase and the meter may burn out.
  • Page 440: Measurement Of Converter Output Voltage (across Terminals P/+ - N/-)

    Measurement of main circuit voltages, currents and powers 6.2.6 Measurement of converter output voltage (across terminals P/+ - N/-) The output voltage of the converter is developed across terminals P/+ - N/- and can be measured with a moving-coil type meter (tester). Although the voltage varies according to the power supply voltage, approximately 270V to 300V (approximately 540V to 600V for the 400V class) is output when no load is connected and voltage decreases when a load is connected.
  • Page 441: Specifications

    7 SPECIFICATIONS This chapter provides the "SPECIFICATIONS" of this product. Always read the instructions before using the equipment 7.1 Rating ..............432 7.2 Common specifications ...........435 7.3 Outline dimension drawings ........427 7.4 Installation of the heatsink portion outside the enclosure for use.............447...
  • Page 442: Rating

    Rating 7.1 Rating 7.1.1 Inverter rating (1) NA version 200V class Type FR-A720- 00030 00050 00080 00110 00175 00240 00330 00460 00610 00760 00900 01150 01450 01750 02150 02880 03460 Applicable motor capacity for ND 0.75 18.5 (kW) Rated capacity (kVA) 12.6 17.6 23.3 110 132 10.5...
  • Page 443 Rating 400V class ND is initially set. Type FR-A740- 00015 00025 00040 00060 00090 00120 00170 00230 00310 00380 00440 00570 00710 00860 01100 Applicable motor capacity for ND (kW) 0.75 18.5 Rated capacity (kVA) 17.5 23.6 32.8 43.4 12.6 (153) (1.9) (3.2)
  • Page 444 Rating (2) N4 version 200V class Type FR-A720- 00030 00050 00080 00110 00175 00240 00330 Applicable motor capacity for ND (kW) 0.75 Rated capacity (kVA) 12.6 10.5 16.7 (3.9) (6.0) (8.9) (14.1) (20.4) (28.9) (41.6) 15.2 Rated current (A) (3.5) (5.5) (8.1) (12.9)
  • Page 445: Common Specifications

    Common specifications 7.2 Common specifications Soft-PWM control/high carrier frequency PWM control (selectable from among V/F control, advanced magnetic flux vector control and Control method real sensorless vector control) / vector control (when used with option FR-A7AP) Output frequency range 0.2 to 400Hz (The maximum frequency is 120Hz under real sensorless vector control and vector control.) 0.015Hz/0 to 60Hz (terminal 2, 4: 0 to 10V/12bit) Frequency Analog input...
  • Page 446: Outline Dimension Drawings

    Outline dimension drawings 7.3 Outline dimension drawings 7.3.1 Inverter outline dimension drawings (1) NA version FR-A720-00030, 00050-NA 2-φ6 hole 6 (0.24) 5 (0.2) 95 (3.74) 110 (4.33) 4-φ22 hole 38.5 28.5 (With a knockout) Inverter Type (1.52) (1.12) (1.69) 53.5 FR-A720-00030-NA (4.33) (0.83)
  • Page 447 Outline dimension drawings FR-A720-00240, 00330, 00460-NA FR-A740-00120, 00170, 00230, 00310-NA 2-φ6 hole 10 (0.39) 6 (0.24) 195 (7.68) 220 (8.66) 3-φ35 hole 60 (2.36) 50 (1.97) 50 (1.97) 60 (2.36) (With a knockout) Inverter Type FR-A720-00240, 00330-NA 139.8 FR-A740-00120, 00170-NA (10.24) (9.65) (6.69)
  • Page 448 Outline dimension drawings FR-A720-01150, 01450, 01750, 02150-NA FR-A740-00570, 00710, 00860, 01100-NA 2-φd hole 3.2 (0.13) Inverter Type FR-A720-01150-NA FR-A740-00570-NA (12.80) (10.63) (0.39) (21.65) (20.87) (0.39) (0.39) (7.68) FR-A720-01450, 01750-NA FR-A740-00710, 00860, 01100-NA (17.13) (14.96) (0.47) (21.65) (20.67) (0.59) (0.47) (9.84) FR-A720-02150-NA (18.31) (16.14)
  • Page 449 Outline dimension drawings FR-A740-01440, 01800-NA 2-φ12hole (0.13) 400(15.75) 300(11.81) 465(18.31) DC reactor supplied Rating plate 2-terminal (for M12 bolt) 4-installation hole (for S screw) Within Earth (ground) terminal (for M6 screw) Mass DC Reactor Type (Kg (lbs)) FR-HEL-H110K (FR-A740-01440-NA) (5.91) (5.12) (13.39) (12.20)
  • Page 450 Outline dimension drawings FR-A720-02880, 03460-NA FR-A740-02160, 02600-NA 2-φ12 hole (0.13) 400 (15.75) 360 (14.17) 465 (18.31) DC reactor supplied Rating plate 2-terminal (for M12 bolt) 4-installation hole (for S screw) Within Earth (ground) terminal (for M6 screw) Mass DC Reactor Type (Kg (lbs)) FR-HEL-90K (FR-A720-02880-NA) (5.91)
  • Page 451 Outline dimension drawings FR-A740-03250, 03610-NA 3-φ12 hole DC reactor supplied Rating plate 2-S2 eye nut 2-terminal (for bolt) W1 1 4-installation hole (for S screw) Within D 12 (0.48) 3.2 (0.12) Earth (ground) terminal (for S1 screw) 380 (14.96) (1.92) 200 (7.87) 200 (7.87) (1.92)
  • Page 452 Outline dimension drawings FR-A740-06100, 06830-NA 3-φ12 hole 12 (0.47) (0.18) (0.18) 315 (12.4) 315 (12.4) 440 (17.32) 790 (31.1) R/L1 T/L3 S/L2 DC reactor supplied Rating plate 2-M8 eye nut 2-terminal 4- 15 hole 40 (1.57) 195 (7.67) 4-installation hole (for M10 screw) 220 (8.66) Within D...
  • Page 453 Outline dimension drawings FR-A740-07700, 08660, 09620-NA 4-φ12 hole 12 (0.47) (0.18) (0.18) 300 (11.81) 300 (11.81) 300 (11.81) 440 (17.32) 995 (39.17) 950 (37.4) R/L1 S/L2 T/L3 N/- DC reactor supplied Rating plate 2-terminal 4- 15 hole Ground terminal (for M12 screw) * Remove the eye nut after installation of the product.
  • Page 454 Outline dimension drawings (2) N4 version FR-A720-00030, 00050-N4 2-φ6 hole 16.3 (0.64) 6 (0.24) 95 (3.74) 110 (4.33) 38.5 28.5 4-φ22 hole (1.52) (1.12) (1.69) With a knockout Inverter Type 64.8 FR-A720-00030-N4 (4.8) (2.55) 79.8 FR-A720-00050-N4 (5.39) (3.14) Unit: mm (inches) FR-A720-00080, 00110, 00175-N4 FR-A740-00015, 00025, 00040, 00060, 00090-N4...
  • Page 455 Outline dimension drawings FR-A720-00240, 00330-N4 FR-A740-00120, 00170-N4 2-φ6 hole 21.3 6 (0.24) 195 (7.68) (0.84) 220 (8.66) 182 (7.17) 3-φ35 hole 60 (2.36) 50 (1.97) 50 (1.97) 60 (2.36) (With a knockout) 211 (8.31) Unit: mm (inches)
  • Page 456: Outline Drawing

    Outline dimension drawings Operation panel (FR-DU07) <Outline drawing> <Panel cutting dimension drawing> 27.8 Panel (1.09) FR-DU07 3.2 (0.13) max 21 (0.83) Air- bleeding hole 20 (0.79) Cable 2-M3 screw 72 (2.83) Operation panel connection connector 16 (0.63) (FR-ADP option) 3 (0.12) 72 (2.83) 3 (0.12) 25 (0.98)
  • Page 457: Installation Of The Heatsink Portion Outside The Enclosure For Use

    Installation of the heatsink portion outside the enclosure for use 7.4 Installation of the heatsink portion outside the enclosure for use When encasing the inverter in an enclosure, the generated heat amount in an enclosure can be greatly reduced by installing the heatsink portion of the inverter outside the enclosure.
  • Page 458 Installation of the heatsink portion outside the enclosure for use (2) Shift and removal of a rear side installation frame • FR-A740-03250 to 05470 Shift One installation frame is attached to each of the upper and lower parts of the inverter. Change the position of the rear side Upper installation installation frame on the upper and lower sides of the inverter to...
  • Page 459 Installation of the heatsink portion outside the enclosure for use (3) Installation of the inverter Push the inverter heatsink portion outside the enclosure and fix the enclosure and inverter with upper and lower installation frame. * For the FR-A740-03250 or more, there are finger Enclosure guards behind the enclosure.
  • Page 460 MEMO...
  • Page 461: Appendices

    APPENDICES This chapter provides the "APPENDICES" of this product. Always read the instructions before using the equipment.
  • Page 462: Appendix 1 For Customers Who Have Replaced The Older Model With This Inverter

    Note that the wiring cover (FR-A720-00030 to 00900 (FR-A740-00015 to 00440)) is not compatible. FR-A500 series FR-A700 series (Note that the relay output 2 (A2, B2, C2) specific for the FR-A700 series can not be used with the FR-A500 series terminals.) (3) Instructions for continuous use of the FR-PU04 (parameter unit) 1) For the FR-A700 series, many functions (parameters) have been added.
  • Page 463: Appendix 1-2 Replacement Of The Fr-a200 Series

    (5) Main differences and compatibilities with the FR-A500(L) series Item FR-A500(L) FR-A700 V/F control V/F control Advanced magnetic flux vector control Control method Advanced magnetic flux vector control Real sensorless vector control Vector control (used with a plug-in option FR-A7AP)
  • Page 464: Appendix 2 Control Mode-based Parameter (function) Correspondence Table And Instruction Code List

    Appendix 2 Control mode-based parameter (function) correspondence table and instruction code list These instruction codes are used for parameter read and write by using Mitsubishi inverter protocol with the RS-485 communication. (Refer to page 327 for RS-485 communication) Validity and invalidity according to operation mode are as follows: :Usable parameter ×...
  • Page 465 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Acceleration/deceleration × pattern selection Regenerative function selection × Frequency jump 1A × Frequency jump 1B ×...
  • Page 466 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Special regenerative brake duty Applied motor PWM frequency selection × Analog input selection ×...
  • Page 467 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Third output frequency detection PU communication station number PU communication speed PU communication stop bit length PU communication parity check...
  • Page 468 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Output current detection level Output current detection signal delay time Zero current detection level Zero current detection time Voltage reduction selection ×...
  • Page 469 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control JOG terminal function × selection CS terminal function × selection MRS terminal function ×...
  • Page 470 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Inrush current limit circuit life × × × display Control circuit capacitor life ×...
  • Page 471 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control × × Pulse train I/O selection Automatic acceleration/ × × × deceleration Acceleration/deceleration ×...
  • Page 472 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control RS-485 communication speed RS-485 communication stop bit length RS-485 communication parity check selection RS-485 communication retry count RS-485 communication...
  • Page 473 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control × × × × Recheck time × × × × Speed feedback range ×...
  • Page 474 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Command pulse scaling × × × × × × factor numerator Command pulse scaling ×...
  • Page 475 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Third position feed amount × × × × × × upper 4 digits Fourth position feed amount ×...
  • Page 476 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control PLC function flash memory × × × clear Communication error execution waiting time Communication error ×...
  • Page 477 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Current average value monitor signal output reference current Energization time carrying- × × ×...
  • Page 478 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control × × × × Speed control integral time 1 × × × Speed setting filter 1 ×...
  • Page 479 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Input phase failure protection selection × × × × × × Speed limit ×...
  • Page 480 Instruction Control Mode-based Correspondence Table Code Real sensorless Advanced Param Vector control Name vector control magnetic eter flux Control Speed Torque Position vector control control control control Terminal 4 frequency setting × (904) bias frequency Terminal 4 frequency setting × (904) bias Terminal 4 frequency setting...
  • Page 481: Appendix 3 Serial Number Check

    Appendix 3 SERIAL number check Refer to page 2 for the location of the rating plate. Rating plate example Symbol Year Month Control number SERIAL (Serial No.) The SERIAL consists of 1 version symbol, 2 numeric characters or 1 numeric character and 1 alphabet letter indicating year and month, and 6 numeric characters indicating control number.
  • Page 482 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date Revision Manual Number Sep., 2005 IB(NA)-0600255ENG-A First edition Nov., 2006 IB(NA)-0600255ENG-B Additions • FR-A720-00030 to 00330-N4 • FR-A740-00015 to 00170-N4 Feb., 2007 IB(NA)-0600255ENG-C Additions •...

This manual also for:

Fr-a720-00030Fr-a740-00015

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