Mitsubishi Electric FR-A862 Instruction Manual
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Mitsubishi Electric FR-A862 Instruction Manual

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INVERTER
A800
FR-A862 (SEPARATED CONVERTER TYPE)
INSTRUCTION MANUAL (HARDWARE)
High functionality and high performance
FR-A862-05450 to 08500
INTRODUCTION
INSTALLATION AND WIRING
PRECAUTIONS FOR USE OF
THE INVERTER
PROTECTIVE FUNCTIONS
PRECAUTIONS FOR
MAINTENANCE AND
INSPECTION
SPECIFICATIONS
1
2
3
4
5
6

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Summary of Contents for Mitsubishi Electric FR-A862

  • Page 1 INVERTER A800 FR-A862 (SEPARATED CONVERTER TYPE) INSTRUCTION MANUAL (HARDWARE) High functionality and high performance FR-A862-05450 to 08500 INTRODUCTION INSTALLATION AND WIRING PRECAUTIONS FOR USE OF THE INVERTER PROTECTIVE FUNCTIONS PRECAUTIONS FOR MAINTENANCE AND INSPECTION SPECIFICATIONS...
  • Page 2 Thank you for choosing this Mitsubishi Electric inverter. This Instruction Manual describes handling and cautions about the hardware, such as installation and wiring, for the FR-A862 (separated converter type) that are different from the FR-A860. Information about the software, such as basic operations and parameters, is described in the FR-A860 Instruction Manual (Detailed) in the CD-ROM enclosed with the product.
  • Page 3  If halogen-based materials (fluorine, chlorine, bromine, iodine, damage the power factor correction capacitor and generator. etc.) infiltrate into a Mitsubishi Electric product, the product will  When driving a 600V class motor by the inverter, the motor must be damaged. Halogen-based materials are often included in...
  • Page 4 Application of caution labels Caution labels are used to ensure safety during use of the Mitsubishi Electric inverters Apply the following labels to the inverter if the "retry function" and/ or "automatic restart after instantaneous power failure" have been enabled.
  • Page 5 CONTENTS 1 INTRODUCTION Product checking Inverter component names About the related manuals 2 INSTALLATION AND WIRING Peripheral devices 2.1.1 Inverter and peripheral devices ........................12 2.1.2 Peripheral devices............................14 Removal and reinstallation of the front covers Installation of the inverter and enclosure design 2.3.1 Inverter installation environment ........................
  • Page 6 Electro-magnetic interference (EMI) and leakage currents 3.1.1 Leakage currents and precautions .........................54 3.1.2 Precautions against inverter-generated EMI ....................55 Power supply harmonics 3.2.1 Power supply harmonics..........................57 Installation of a reactor Power-OFF and magnetic contactor (MC) Precautions against deterioration of the 600 V class motor insulation Checklist before starting operation Failsafe system which uses the inverter 4 PROTECTIVE FUNCTIONS...

  • Page 7: Table Of Contents

    Common specifications Outline dimension drawings 6.3.1 Inverter outline dimension drawings....................... 85 APPENDIX Appendix 1 For customers replacing the conventional model with this inverter........88 Appendix 2 Comparison with FR-A860 ...................... 90 Appendix 3 Instructions for UL and cUL ....................91 Appendix 4 Restricted Use of Hazardous Substances in Electronic and Electrical Products .....
  • Page 8 Operation panel ......Operation panel (FR-LU08) (option) Parameter unit ....... Parameter unit (FR-PU07) PU ..........Operation panel and parameter unit Inverter ........... Mitsubishi Electric inverter FR-A860 series Vector control compatible option..FR-A8AP/FR-A8AL/FR-A8APA/FR-A8APR/FR-A8APS (plug-in option), FR- A8TP (control terminal option) Pr........... Parameter number (Number assigned to function) PU operation ........
  • Page 9 (conforming to IEC 60721-3-3 3C2/3S2) With Without With With Rating plate Inverter model FR-A862-05450-1-60 Input rating Output rating SERIAL Country of origin How to read the SERIAL number Rating plate example The SERIAL consists of one symbol, two characters indicating the production ...
  • Page 10 Inverter component names Inverter component names Component names are shown below. Refer to Symbol Name Description page RS-485 terminals Enables RS-485 and MODBUS RTU communication. Plug-in option connector 1 Instruction Plug-in option connector 2 Connects a plug-in option or a communication option. Manual of the option Plug-in option connector 3...
  • Page 11 About the related manuals About the related manuals The manuals related to the FR-A862 are shown below. Manual name Manual number FR-A860 Instruction Manual (Detailed) IB-0600563ENG FR-CC2 Instruction Manual IB-0600572ENG FR Configurator2 Instruction Manual IB-0600516ENG PLC Function Programming Manual IB-0600492ENG...
  • Page 12 INSTALLATION AND WIRING This chapter explains the "installation" and the "wiring" of this product. Always read the instructions before use. 2.1 Peripheral devices ..............12 2.2 Removal and reinstallation of the front covers......15 2.3 Installation of the inverter and enclosure design ....17 2.4 Terminal connection diagrams ..........25...

  • Page 13: Peripheral Devices

    2.1.1 Inverter and peripheral devices (c) Three-phase AC power supply (d) Molded case (b) Converter unit (a) Inverter (h) USB connector circuit breaker (FR-CC2) (FR-A862) USB host (MCCB) or earth (A connector) leakage current breaker (ELB), Communication fuse status indicator...
  • Page 14 The life of the inverter and the converter unit is influenced by the surrounding air temperature. Inverter (FR-A862) The surrounding air temperature should be as low as possible within the permissible range. This must be noted especially when the inverter is installed in an enclosure.
  • Page 15 1000 A 617 A  Assumes the use of a Mitsubishi Electric 4-pole standard motor with the power supply voltage of 575 VAC 50 Hz.  Select an MCCB according to the power supply capacity. Install one MCCB per converter.

  • Page 16: Removal And Reinstallation Of The Front

    Removal and reinstallation of the front covers Removal and reinstallation of the front covers Removal of the front cover (lower side) When the mounting screws are removed, the front cover (lower side) can be removed. (The number of the mounting screws differs by the capacity.) With the front cover (lower side) removed, wiring of the main circuit terminals can be performed.
  • Page 17 Removal and reinstallation of the front covers Reinstallation of the front covers Fasten Fasten Fasten Fasten Fasten Fasten Insert the upper hooks of the front cover (upper side) into the sockets of the inverter. Securely install the front cover (upper side) to the inverter by fixing the hooks on the sides of the cover into place. Tighten the mounting screws at the lower part of the front cover (upper side).

  • Page 18: Installation Of The Inverter And Enclosure Design

    Installation of the inverter and enclosure design Installation of the inverter and enclosure design When designing or manufacturing an inverter enclosure, determine the structure, size, and device layout of the enclosure by fully considering the conditions such as heat generation of the contained devices and the operating environment. An inverter uses many semiconductor devices.
  • Page 19 Installation of the inverter and enclosure design Humidity Operate the inverter within the ambient air humidity of usually 45 to 95%. Too high humidity will pose problems of reduced insulation and metal corrosion. On the other hand, too low humidity may cause a spatial electrical breakdown. The humidity conditions for the insulation distance defined in JEM 1103 standard "Insulation Distance from Control Equipment"...
  • Page 20 The amount of heat generated by the inverter unit and converter unit is shown in the following tables. Amount of heat generated (W) Inverter model FR-CC2-C355K 2500 2300 1750 1300 7300 6600 5100 3750 FR-A862-05450 4800 4300 3350 2450 FR-CC2-C400K 3000 2600 2200 1700 8600 7700...
  • Page 21 Installation of the inverter and enclosure design 2.3.3 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 22 Installation of the inverter and enclosure design 2.3.4 Inverter installation Inverter placement • Install the inverter on a strong surface securely with screws. • Leave enough clearances and take cooling measures. • Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity. •...
  • Page 23 Installation of the inverter and enclosure design Arrangement of multiple inverters and converter units When multiple inverters and converter units are placed in the same enclosure, generally arrange them horizontally as shown in the figure on the right. Converter Converter Inverter Inverter unit...
  • Page 24 When installing the inverter in a compact enclosure, etc., this installation method is recommended.  Panel cutting Cut the panel of the enclosure according to the inverter capacity. FR-A862-05450 FR-A862-06470 FR-A862-08500 6-M10 screw 6-M10 screw...
  • Page 25 Installation of the inverter and enclosure design  Removal of the rear installation frame Two installation frames are attached to each of the upper and lower parts of the inverter. Remove the rear side installation frame on the top Upper installation and bottom of the inverter as shown on the right.

  • Page 26: Terminal Connection Diagrams

    Terminal connection diagrams Terminal connection diagrams Sink logic Main circuit terminal Control circuit terminal Converter unit R/L1 Motor S/L2 T/L3 Jumper Earth (Ground) R1/L11  S1/L21 Earth Main circuit (Ground) Control circuit Control input signals Relay output  (No voltage input allowed)  Forward rotation start Relay output 1 Reverse rotation start...
  • Page 27 Terminal connection diagrams  A jumper is installed across terminal R1/L11 and terminal P/+, and across terminal S1/L21 and terminal N/-. When using a separate power supply for the control circuit, remove the jumpers from R1/L11 and S1/L21.  The function of these terminals can be changed with the input terminal assignment (Pr.178 to Pr.189). ...

  • Page 28: Main Circuit Terminals

    Main circuit terminals Main circuit terminals 2.5.1 Details on the main circuit terminals of the inverter Terminal Refer Terminal name Terminal function description symbol to page U, V, W Inverter output Connect these terminals to a three-phase squirrel cage motor or a PM motor. - Connected to terminals P/+ and N/-.
  • Page 29 Main circuit terminals 2.5.3 Terminal layout of the main circuit terminals, wiring of power supply and the motor FR-CC2-C355K to FR-CC2-C560K FR-A862-05450 to FR-A862-08500 R1/L11 S1/L21 Charge lamp R1/L11 S1/L21 Charge lamp Jumper Jumper R/L1 T/L3 S/L2 To converter To inverter...
  • Page 30 AWG/MCM HIV cables, etc. (mm   model screw torque Earthing Earthing Earthing U, V, P/+, U, V, P/+, FR-A862-[ ] size N·m  U, V, W P/+, N/- (grounding) (grounding) (grounding) cable cable cable 05450 M12 (M10) 46 280-12 2100-12 100-10...
  • Page 31 Main circuit terminals Total wiring length  With induction motor Connect one or more general-purpose motors within the total wiring length 500 m. (The wiring length should be 100 m or less under vector control.) Total wiring length 300 m 300 m 500 m or less 300 m + 300 m = 600 m...
  • Page 32 Main circuit terminals 2.5.5 Earthing (grounding) precautions • Always earth (ground) the motor, the inverter, and the converter unit. 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.

  • Page 33: Control Circuit

    Control circuit Control circuit 2.6.1 Details on the control circuit terminals of the inverter The input signal function of the terminals in can be selected by setting Pr.178 to Pr.196 (I/O terminal function selection). For the parameter details, refer to the FR-A860 Instruction Manual (Detailed). Input signal Terminal Rated...
  • Page 34 Control circuit Terminal Rated Terminal name Terminal function description symbol specification 10 V 0.4 VDC When connecting the frequency setting potentiometer at an initial Permissible load current: 10 mA Frequency setting status, connect it to terminal 10. power supply Change the input specifications of terminal 2 using in Pr.73 when 5 V0.5 VDC connecting it to terminal 10E.
  • Page 35 Control circuit Terminal Rated Terminal name Terminal function description symbol specification The output is in LOW state when the inverter output frequency is equal Inverter running to or higher than the starting frequency (initial value: 0.5 Hz). The output is in HIGH state during stop or DC injection brake operation. The output is in LOW state when the output Permissible load: frequency is within the set frequency range...
  • Page 36 Control circuit Terminals for manufacturer setting Terminal symbol Terminal function description Terminals S1, S2, SIC, So (SO), and SOC are for manufacturer setting. Do not connect anything to there. Doing so S1, S2, SIC, may cause an inverter failure. So (SO), SOC Do not remove the shorting wires across terminals S1 and PC, terminals S2 and PC, and terminals SIC and SD.
  • Page 37 Control circuit Output signal Terminal Rated Terminal name Terminal function description symbol specification 1 changeover contact output that indicates that the protective function of Contact capacity: Relay output 1 (fault the converter unit has been activated and the outputs are stopped. 230 VAC 0.3 A output) Fault: discontinuity across B and C (continuity across A and C), Normal:...
  • Page 38 Control circuit Sink logic and source logic • In the sink logic, a signal turns ON when a current exits 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 39 Control circuit 2.6.4 Wiring of inverter control circuit Control circuit terminal layout ∗1 1 F/C +24 SD So SOC S1 S2 PC 5 10E 10 SE SE IPF OL FU PC RL RM RH RT AU STP MRS SD SD STF STR JOG ∗3 (X10)∗2...
  • Page 40 Control circuit NICHIFU Co., Ltd. Blade terminal Insulation cap Crimping tool Wire gauge (mm part No. part No. model No. 0.3 to 0.75 BT 0.75-11 VC 0.75 NH 69 (3) Insert the wires into a socket. When using a single wire or stranded wires without a blade terminal, push the open/close button all the way down with a flathead screwdriver, and insert the wire.
  • Page 41 Control circuit Signal inputs by contactless switches The contact input terminals of the inverter (STF, STR, STOP, RH, RM, RL, JOG, RT, MRS, RES, AU, CS) can be controlled using a transistor instead of a contact switch as shown below. Inverter +24 V +24 V...
  • Page 42 Control circuit 2.6.6 When using separate power supplies for the control circuit and the main circuit Cable size for the control circuit power supply (terminals R1/L11 and S1/ L21) • Terminal screw size: M4 • Cable gauge: 0.75 mm to 2 mm •...
  • Page 43 Control circuit 2.6.7 When supplying 24 V external power to the control circuit Connect a 24 V external power supply across terminals +24 and SD. Connecting a 24 V external power supply enables I/O terminal ON/OFF operation, operation panel displays, control functions, and communication during communication operation even during power-OFF of inverter's main circuit power supply.
  • Page 44 Control circuit Operation while the 24 V external power is supplied • Fault records and parameters can be read and parameters can be written (when the parameter write from the operation panel is enabled) using the operation panel keys. • The safety stop function is disabled during the 24 V external power supply operation. •...

  • Page 45: Communication Connectors And Terminals

    Communication connectors and terminals Communication connectors and terminals 2.7.1 PU connector Removal and reinstallation of the accessory cover • Loosen the two screws on the accessory cover. • Push the upper part of the accessory cover and pull the (These screws cannot be removed.) accessory cover to remove.
  • Page 46 Communication connectors and terminals Communication operation • Using the PU connector enables communication operation from a personal computer, etc. When the PU connector is connected with a personal, FA or other computer by a communication cable, a user program can run to monitor the inverter or read and write parameters.
  • Page 47 Communication connectors and terminals NOTE • Do not connect devices other than a USB memory device to the inverter. • If a USB device is connected to the inverter via a USB hub, the inverter cannot recognize the USB memory device properly. •...

  • Page 48: Control)

    Connection of motor with encoder (Vector control) Connection of motor with encoder (Vector control) Using encoder-equipped motors together with a vector control compatible option enables speed, torque, and positioning control operations under orientation control, encoder feedback control, and full-scale vector control. This section explains wiring for use of the FR-A8AP.
  • Page 49 Connection of motor with encoder (Vector control) Switches of the FR-A8AP • Encoder type selection switch (SW3) Differential line Selects either the differential line driver or complementary setting. driver (initial status) It is initially set to the differential line driver. Switch its position according to the output circuit.
  • Page 50 Connection of motor with encoder (Vector control) Encoder cable • As the terminal block of the FR-A8AP is an insertion type, cables need to be treated when the encoder cables of the inverter have crimp terminals. Cut the crimp terminal of the encoder cable and strip its sheath to make its cable wires loose. Also, treat the shielding wires of the shielded twisted pair cable to ensure that they will not contact conductive areas.
  • Page 51 Connection of motor with encoder (Vector control) Instructions for encoder cable wiring • Use shielded twisted pair cables (0.2 mm or larger) to connect the FR-A8AP. For wiring to terminals PG and SD, use several cables in parallel or use a thick cable, according to the wiring length. To protect the cables from noise, run them away from any source of noise (such as the main circuit and power supply voltage).
  • Page 52 Parameter settings for a motor with encoder Parameter settings for a motor with encoder Parameter for the encoder (Pr.359, Pr.369, Pr.851, Pr.852) • Set the encoder specifications. Initial Setting Name Description value range Set when using a motor for which forward Set for the operation at rotation (encoder) is clockwise (CW) viewed 120 Hz or less.
  • Page 53 MEMO...
  • Page 54 PRECAUTIONS FOR USE OF THE INVERTER This chapter explains the precautions for use of this product. Always read the instructions before using the equipment. 3.1 Electro-magnetic interference (EMI) and leakage currents ..54 3.2 Power supply harmonics ............57 3.3 Installation of a reactor ............57 3.4 Power-OFF and magnetic contactor (MC) ......58...

  • Page 55: Electro-Magnetic Interference (Emi) And Leakage Currents

    Electro-magnetic interference (EMI) and leakage currents Electro-magnetic interference (EMI) and leakage currents 3.1.1 Leakage currents and precautions 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 static capacitances, carrier frequency, etc., low acoustic noise operation at the increased carrier frequency of the inverter will increase the leakage current.
  • Page 56 Electro-magnetic interference (EMI) and leakage currents 3.1.2 Precautions against inverter-generated EMI Some electromagnetic noises enter the inverter or the converter unit to cause its malfunction, and others are radiated by the inverter or the converter unit to cause the peripheral devices to malfunction. Though the inverter or the converter unit is designed to have high immunity performance, it handles low-level signals, so it requires the following basic techniques.
  • Page 57 Electro-magnetic interference (EMI) and leakage currents Noise Countermeasure propagation path When devices that handle low-level signals and are liable to malfunction due to electromagnetic noises, e.g. instruments, receivers and sensors, are contained in the enclosure that contains the inverter or the converter unit, or when their signal cables are run near the inverter, the devices may malfunction due to by air-propagated electromagnetic noises.

  • Page 58: Power Supply Harmonics

    Power supply harmonics Power supply harmonics 3.2.1 Power supply harmonics The inverter may generate power supply harmonics from its converter circuit to affect the power generator, power factor correction capacitor etc. Power supply harmonics are different from noise and leakage currents in source, frequency band and transmission path.

  • Page 59: Power-Off And Magnetic Contactor (Mc)

    Power-OFF and magnetic contactor (MC) Power-OFF and magnetic contactor (MC) Converter unit input side magnetic contactor (MC) On the converter unit input side, it is recommended to provide an MC for the following purposes: (Refer to page 14 for selection.) •...

  • Page 60: Precautions Against Deterioration Of The 600 V Class Motor Insulation

    Precautions against deterioration of the 600 V class motor insulation NOTE • Before wiring or inspection for a PM motor, confirm that the PM motor is stopped. In an application, such as fan and blower, where the motor is driven by the load, a low-voltage manual contactor must be connected at the inverter's output side, and wiring and inspection must be performed while the contactor is open.

  • Page 61: Checklist Before Starting Operation

    Checklist before starting operation Checklist before starting operation The FR-A860 series inverter and FR-CC2 converter unit are highly reliable products, but incorrect peripheral circuit making or operation/handling method may shorten the product life or damage the products. Before starting operation, always recheck the following points. Refer Check Checkpoint...
  • Page 62 Checklist before starting operation Refer Check Checkpoint Countermeasure by user page Application of a voltage higher than the permissible voltage to the I/O signal The voltage applied to the I/O signal circuits of the inverter and the converter unit or opposite polarity may damage circuits of the inverter and the the I/O devices.
  • Page 63 Checklist before starting operation Refer Check Checkpoint Countermeasure by user page If electromagnetic noise generated from the inverter and the converter unit causes frequency setting signal to fluctuate and the motor rotation speed to be unstable when changing the motor speed with analog signals, the following precautions are effective: EMC precautions are taken for the •...

  • Page 64: Failsafe System Which Uses The Inverter

    Although Mitsubishi Electric assures the best quality products, provide an interlock which uses inverter status output signals to prevent accidents such as damage to the machine when the inverter fails for some reason. Also at the same time consider the system configuration where a failsafe from outside the inverter, without using the inverter, is enabled even if the inverter fails.
  • Page 65 Failsafe system which uses the inverter (d) Checking the motor operating status by the start signal input to the inverter and inverter output current detection signal The Output current detection (Y12) signal is output when the inverter operates and current flows into the motor. Check if the Y12 signal is being output while inputting a start signal to the inverter.
  • Page 66 PROTECTIVE FUNCTIONS This chapter explains the "PROTECTIVE FUNCTIONS" that operates in this product. Always read the instructions before using the equipment. 4.1 Inverter fault and indications...........66 4.2 Reset method for the protective functions......66 4.3 List of fault displays ..............67 PROTECTIVE FUNCTIONS...
  • Page 67 Inverter fault and indications Inverter fault and indications • When a fault occurs in the inverter, a protective function is automatically activated to shut off the inverter output and show an indication on the operation panel of the inverter. • When any fault occurs, take an appropriate corrective action, then reset the inverter, and resume the operation. Restarting the operation without a reset may break or damage the inverter.
  • Page 68 List of fault displays List of fault displays For details, refer to the Instruction Manual (Detailed) of the FR-A860. Abbreviation Name Abbreviation Name E.GF Output side earth (ground) fault overcurrent HOLD Operation panel lock E.LF Output phase loss LOCD Password locked E.OHT External thermal relay operation Er1 to Er4...
  • Page 69 MEMO...
  • Page 70 PRECAUTIONS FOR MAINTENANCE AND INSPECTION This chapter explains the "PRECAUTIONS FOR MAINTENANCE AND INSPECTION" for this product. Always read the instructions before using the equipment. 5.1 Inspection item................70 5.2 Measurement of main circuit voltages, currents and powers ..................77 PRECAUTIONS FOR MAINTENANCE AND INSPECTION...
  • Page 71 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 72 Inspection item 5.1.3 Daily and periodic inspection Inspection Check Area of interval Corrective action at Inspection item Description by the inspection fault occurrence Periodic Daily user  Surrounding Check the surrounding air temperature, humidity,  Improve the environment. environment dirt, corrosive gas, oil mist, etc. Check fault location and Check for unusual vibration and noise.
  • Page 73 Inspection item 5.1.4 Checking the inverter and converter modules Preparation • Disconnect the external power supply cables (R/L1, S/L2, T/L3) and motor cables (U, V, W). (The inverter and the converter unit (FR-CC2) can be measured with those cables connected.) •...
  • Page 74 Output current (80% of the inverter rating) NOTE • For parts replacement, contact the nearest Mitsubishi Electric FA center. Inverter parts life display The inverter diagnoses the control circuit capacitor and the cooling fan by itself, and estimates their lives.
  • Page 75 Inspection item Replacement procedure of the 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 surrounding air temperature. When unusual noise and/or vibration are noticed during inspection, the cooling fan must be replaced immediately.
  • Page 76 Inspection item Smoothing capacitors A large-capacity aluminum electrolytic capacitor is used for smoothing in the DC section of the main circuit, and an aluminum electrolytic capacitor is used for stabilizing the control power in the control circuit. Adverse effects from ripple currents deteriorate capacitors.
  • Page 77 Inspection item 5.1.7 Removal and reinstallation of the control circuit terminal block The FR-A800 series inverter has a removable control circuit terminal block, which can be replaced with a new one or a control terminal option. Removal and reinstallation 1) Loosen the two mounting screws at the both side of the control circuit terminal block. (These screws cannot be removed.) Slide down the control circuit terminal block to remove it.
  • Page 78 Measurement of main circuit voltages, currents and powers 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 79 Measurement of main circuit voltages, currents and powers Measuring points and instruments Item Measuring point Measuring instrument Remarks (reference measured value) Power supply Across R/L1 and S/L2, Commercial power supply voltage S/L2 and T/L3, Within permissible AC voltage fluctuation (Refer T/L3 and R/L1 page 82.)
  • Page 80 Measurement of main circuit voltages, currents and powers 5.2.1 Measurement of powers Use a digital power meter (for inverter) for the input side of the converter unit (FR-CC2) and the output side of the inverter. 5.2.2 Measurement of voltages Converter unit (FR-CC2) input side Use a digital power meter for inverters for the input side voltage.
  • Page 81 Measurement of main circuit voltages, currents and powers 5.2.6 Measurement of inverter output frequency In the initial setting, a pulse train proportional to the output frequency is output across the pulse train output terminals FM and SD of the inverter. This pulse train output can be counted by a frequency counter, or a meter can be used to read the mean value of the pulse train output voltage.
  • Page 82 SPECIFICATIONS This chapter explains the "SPECIFICATIONS" of this product. Always read the instructions before using the equipment. 6.1 Inverter rating................82 6.2 Common specifications ............83 6.3 Outline dimension drawings............85 SPECIFICATIONS...
  • Page 83 Inverter rating Inverter rating • Inverter Model FR-A862-[ ] 05450 06470 08500 Applicable motor capacity (kW)  ND (initial setting) 280 Rated capacity (kVA)  ND (initial setting) 401 545 (463) 647 (549) 850 (722) 496 (421) 589 (500) 773 (657) Rated current (A) ...

  • Page 84: Common Specifications

    Common specifications Common specifications Soft-PWM control, high carrier frequency PWM control (selectable among V/F control, Advanced magnetic Control method flux vector control, Real sensorless vector control), Optimum excitation control, Vector control , and PM  sensorless vector control 0.2 to 590 Hz (The upper-limit frequency is 400 Hz under Advanced magnetic flux vector control, Real Output frequency range sensorless vector control, Vector control , and PM sensorless vector control.)
  • Page 85 Common specifications Overcurrent trip during acceleration, Overcurrent trip during constant speed, Overcurrent trip during deceleration or stop, Regenerative overvoltage trip during acceleration, Regenerative overvoltage trip during constant speed, Regenerative overvoltage trip during deceleration or stop, Inverter overload trip (electronic thermal relay function), Motor overload trip (electronic thermal relay function), Heat sink overheat, Stall prevention stop, Loss of synchronism detection , Output side earth (ground) fault ...

  • Page 86: Outline Dimension Drawings Inverter Outline Dimension Drawings

    Outline dimension drawings Outline dimension drawings 6.3.1 Inverter outline dimension drawings FR-A862-05450 3-φ12 hole 8-φ25 hole (70) (Unit: mm) FR-A862-06470, FR-A862-08500 3-φ12 hole 8-φ25 hole (100) (Unit: mm) SPECIFICATIONS...
  • Page 87 MEMO...

  • Page 88: Appendix

    APPENDIX APPENDIX provides the reference information for use of this product. Refer to APPENDIX as required. Appendix 1 For customers replacing the conventional model with this inverter ............88 Appendix 2 Comparison with FR-A860 ...........90 Appendix 3 Instructions for UL and cUL .........91 Appendix 4 Restricted Use of Hazardous Substances in Electronic and Electrical Products...

  • Page 89: Appendix 1 For Customers Replacing The Conventional Model With This Inverter

    Appendix 1.1 Replacement of the FR-A700 series Difference and compatibility with FR-A700 series Item FR-A760 FR-A862 V/F control V/F control Advanced magnetic flux vector control Advanced magnetic flux vector control Control method Real sensorless vector control...
  • Page 90 Wiring precautions • The spring clamp type terminal block has changed to the screw type. Use of blade terminals is recommended. Instructions for continuous use of the FR-PU07 (parameter unit) manufactured in September 2015 or earlier • For the FR-A800 series, many functions (parameters) have been added. When setting these parameters, the parameter names and setting ranges are not displayed.

  • Page 91: Appendix 2 Comparison With Fr-A860

    Appendix 2 Comparison with FR-A860 Item FR-A860 FR-A862 Setting ranges "0 to 2, 10, 11, 20, 21, 100 to 102, Pr.30 Regenerative Setting ranges "2, 10, 11, 102, 110, 111" 110, 111, 120, 121" Initial value "10" function selection Initial value "0"...

  • Page 92: Appendix 3 Instructions For Ul And Cul

    Appendix 3 Instructions for UL and cUL (Standard to comply with: UL 508C, CSA C22.2 No.274-13) General Precaution CAUTION - Risk of Electric Shock - The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than 10 minutes, and check for residual voltage between terminal P/+ and N/- with a meter etc., to avoid a hazard of electrical shock.
  • Page 93 Motor overload protection When using the electronic thermal relay function as motor overload protection, set the rated motor current in Pr.9 Electronic thermal O/L relay. Operation characteristics of electronic thermal relay function This function detects the overload (overheat) of the motor and trips the inverter by stopping the operation of the Pr.9 = 50% setting Pr.9 = 100% setting...

  • Page 94: Appendix 4 Restricted Use Of Hazardous Substances In Electronic And Electrical Products

    Appendix 4 Restricted Use of Hazardous Substances in Electronic and Electrical Products The mark of restricted use of hazardous substances in electronic and electrical products is applied to the product as follows based on the “Management Methods for the Restriction of the Use of Hazardous Substances in Electrical and Electronic Products”...
  • Page 95 4. Exclusion of loss in opportunity and secondary loss from warranty liability Regardless of the gratis warranty term, Mitsubishi Electric shall not be liable for compensation to: Damages caused by any cause found not to be the responsibility of Mitsubishi Electric.
  • Page 96 • The copyright and other rights of the enclosed CD-ROM all belong to Mitsubishi Electric Corporation. • No part of the enclosed CD-ROM may be copied or reproduced without the permission of Mitsubishi Electric Corporation. • Specifications of the enclosed CD-ROM are subject to change for modification without notice.
  • Page 97 REVISIONS *The manual number is given on the bottom left of the back cover. Revision Date *Manual Number Revision Nov. 2014 IB(NA)-0600571ENG-A First edition Oct. 2016 IB(NA)-0600571ENG-B Addition • Restricted Use of Hazardous Substances in Electronic and Electrical Products Mar. 2019 IB(NA)-0600571ENG-C Addition •...
  • Page 98 FR-A800/A800 Plus Series Instruction Manual Supplement Internal storage device fault (E.PE6) The operation of the storage device in the inverter can be checked. If a data fault occurs in the storage device in the inverter, the protective function (E.PE6) is activated. When the read value of Pr.890 is "7"...
  • Page 99 HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN IB(NA)-0600571ENG-C(1903)MEE Printed in Japan Specifications subject to change without notice.

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