Mitsubishi Electric FR-A7NC Instruction Manual
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Mitsubishi Electric FR-A7NC Instruction Manual

Plug-in option
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INVERTER
Plug-in option
FR-A7NC

INSTRUCTION MANUAL

communication function

PRE-OPERATION INSTRUCTIONS
DETAILS OF INPUT AND OUTPUT SIGNALS
PROGRAMMING EXAMPLES
HOW TO CHECK FOR ERROR USING THE LEDS
INSTALLATION
WIRING
INVERTER SETTING
FUNCTION OVERVIEW
I/O SIGNAL LIST
1
2
3
4
5
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7
8
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Summary of Contents for Mitsubishi Electric FR-A7NC

  • Page 1: Instruction Manual

    INVERTER PRE-OPERATION INSTRUCTIONS Plug-in option FR-A7NC INSTALLATION INSTRUCTION MANUAL WIRING INVERTER SETTING communication function FUNCTION OVERVIEW I/O SIGNAL LIST DETAILS OF INPUT AND OUTPUT SIGNALS PROGRAMMING EXAMPLES HOW TO CHECK FOR ERROR USING THE LEDS...

  • Page 2: Safety Instructions

    Thank you for choosing this Mitsubishi Inverter plug-in option. SAFETY INSTRUCTIONS This instruction manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the equipment, please 1. Electric Shock Prevention read this manual carefully to use the equipment to its optimum.
  • Page 3 2. Injury Prevention 3) Usage WARNING CAUTION • The voltage applied to each terminal must be the ones • Do not modify the equipment. • Do not perform parts removal which is not instructed in this specified in the Instruction Manual. Otherwise burst, damage, etc.

  • Page 4: Table Of Contents

    ⎯ CONTENTS ⎯ 1 PRE-OPERATION INSTRUCTIONS Inverter model ............................1 Unpacking and product confirmation ....................2 1.2.1 Product confirmation............................3 1.2.2 Parts ................................4 Inverter option specifications......................6 CC-Link version ..........................7 1.4.1 CC-Link Ver. 1.10 ............................7 1.4.2 CC-Link Ver. 2 ..............................7 2 INSTALLATION Pre-installation instructions ......................8 Installation of the communication option LED display cover ............9 Installation procedure ........................10...
  • Page 5 4.2.1 Operation mode indication..........................21 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340) ...........22 Operation and speed command source (Pr. 338, Pr. 339, Pr. 550)..........25 4.3.1 Communication EEPROM write selection (Pr. 342) ..................30 Operation at communication error occurrence ................31 4.4.1 Operation selection at communication error occurrence (Pr.
  • Page 6 (FR-A700 series NA/EC version only) ......................55 7 DETAILS OF INPUT AND OUTPUT SIGNALS Details of remote input and output signals ...................56 7.1.1 Output signals (master module to inverter (FR-A7NC)) ................56 7.1.2 Input signals (inverter (FR-A7NC) to master module) .................. 58 Details of remote register........................63 7.2.1...
  • Page 7 9 HOW TO CHECK FOR ERROR USING THE LEDS When one inverter is connected.....................96 When two or more inverters are connected ..................98 Communication stops during operation..................100...

  • Page 8: Pre-Operation Instructions

    PRE-OPERATION INSTRUCTIONS Inverter model The inverter model, 55K and 75K stated in this Instruction Manual differs according to each -NA, -EC, - CH(T) versions. Refer to the following correspondence table for each inverter model. (Refer to the instruction manual of each inverter for the inverter type.) For example, "for the 75K or more"...

  • Page 9: Unpacking And Product Confirmation

    PRE-OPERATION INSTRUCTIONS Unpacking and product confirmation Take the plug-in option out of the package, check the product name, and confirm that the product is as you ordered and intact. This product is a plug-in option for the FR-A700/F700(P) series, and the FR-FP700 series manufactured in May 2008 or later.

  • Page 10: Product Confirmation

    PRE-OPERATION INSTRUCTIONS 1.2.1 Product confirmation Check the enclosed items. Mounting screw (M3 × 6mm) Plug-in option Hex-head screw for option ......... 1 .... 2 (Refer to page 10.) mounting (5.5mm) ..... 1 (Refer to page 10.) SD L.RUN RD L.ERR 5.5mm Communication option LED Terminal block...

  • Page 11: Parts

    PRE-OPERATION INSTRUCTIONS 1.2.2 Parts Connector for Terminating resistor selection switch (Refer to page communication Select the resistor value of the terminating resistor. Mount the Mounting Front view Rear view accessory hole terminal block to connect to the SD L.RUN network. RD L.ERR (Refer to page 16.) Mounting...
  • Page 12 Turn the power on again or turn the RES signal on. (Refer to page 39, 40.) Lit during normal operation (5V is supplied in the board) (Lit even in the non-communication status.) Flickers when the master station is CC-Link Ver.1 and the FR-A7NC is CC-Link Ver.2 compatible. (Refer to page 7.) Turns off when no data is transmitted.

  • Page 13: Inverter Option Specifications

    PRE-OPERATION INSTRUCTIONS 1.3 Inverter option specifications Type Inverter plug-in option type, terminal block connectable Power supply 5VDC supplied from the inverter Number of units 42 units max. (Refer to page 45 for the number of stations occupied), May be used with other connected equipment.

  • Page 14: Cc-Link Version

    In a system that uses the CC-Link Ver. 1.00 and Ver. 1.10 modules and cables together, the maximum overall cable length and inter-station cable length are as specified for CC-Link Ver. 1.00. 1.4.2 CC-Link Ver. 2 The FR-A7NC is compatible with CC- Link Ver.2. Master station Master station When using the CC-Link Ver.2 setting...

  • Page 15: Installation

    INSTALLATION Pre-installation instructions Make sure that the input power of the inverter is OFF. CAUTION With input power ON, do not install or remove the plug-in option. Otherwise, the inverter and plug-in option may be damaged. For prevention of damage due to static electricity, touch nearby metal before touching this product to eliminate static electricity from your body.

  • Page 16: Installation Of The Communication Option Led Display Cover

    INSTALLATION Installation of the communication option LED display cover Mount the cover for displaying the operation status indication LED for the communication option on the inverter front cover. Cut off hooks on the rear of the inverter front Fit the communication option LED display cover with nipper, etc.

  • Page 17: Installation Procedure

    INSTALLATION Installation procedure 1) Remove the inverter front cover. 2) Mount the hex-head screw for option mounting into the inverter screw hole (on earth plate). (size 5.5mm, tightening torque 0.56N m to 0.75N m) Screw hole for 3) Securely fit the connector of the plug-in option mounting option to the inverter connector along the guides.
  • Page 18 INSTALLATION CAUTION When using this option unit with the FR-A series inverter, mount it in the • Mounting Fault "option connector 3 (lowermost connector)" of the inverter. Position Display If it is fitted in option connector 1 or 2, " "...

  • Page 19: Wiring

    Mount the option (FR-A7NC) on the inverter. (3) Connect the programmable controller CC-Link module master station and the terminal block supplied with the FR-A7NC with the CC-Link dedicated cable. After connecting the terminal block to the FR- A7NC, fit the front cover.

  • Page 20: Connection Of Several Inverters

    For the shield cable of the CC-Link dedicated cable, connect it to "SLD" of each unit and always earth (ground) it via "FG". Terminals SLD and FG are connected inside the unit. FR-A7NC Master module FR-A7NC Terminating...
  • Page 21 When performing online exchange The built-in terminating resistor can not be exchanged online since the terminating resistor is on the FR-A7NC board and disconnected when the terminal block is removed from the FR-A7NC connector for communication. When changing the FR- A7NC online, connect a terminating resistor supplied with a programmable controller master module to the FR-A7NC after modifying it and do not use the internal terminating resistor (SW2 1-OFF, 2-OFF).
  • Page 22 WIRING (2) Maximum number of units connected to one master station (CC-Link Ver.2.00) 42 units (when connections are inverter only) If any other units are included, the number of stations occupied depends on the unit and therefore the following conditions must be satisfied: ⋅...

  • Page 23: Connection Cable

    WIRING 3.3 Connection cable In the CC-Link system, use CC-Link dedicated cables. If the cable used is other than the CC-Link dedicated cable, the performance of the CC-Link system is not guaranteed. For the specifications of the CC-Link dedicated cable, refer to the website of the CC-Link Partner Association.
  • Page 24 CRIMPFOX UD6, ZA3 a compression tube Shielded cable Note the crimping method. Hold the long side in a longitudinal direction and insert it Use of a junction terminal block into the terminal block. FR-A7NC FR-A7NC Junction terminal block Junction terminal block...
  • Page 25 WIRING (2) Loosen the terminal screw and insert the cable into the terminal. Screw Size Tightening Torque Cable Size Screwdriver Small flat-blade screwdriver ⋅ ⋅ 0.22N m to 0.25N 0.3mm to 0.75mm (Tip thickness: 0.4mm /tip width: 2.5mm) CAUTION Undertightening can cause cable disconnection or malfunction. Overtightening can cause a short circuit or malfunction due to damage to the screw or unit.
  • Page 26 ⋅ When the hook of the inverter front cover is cut off for wiring, the protective structure (JEM1030) changes to open type (IP00). ⋅ If the terminal block of the FR-A7NC is removed, built-in terminating resistor can not be used. (Refer to page 13.) CAUTION When performing wiring using the space between the inverter front cover and control circuit terminal block, take care not to subject the cable to stress.

  • Page 27: Inverter Setting

    Torque command source selection 0, 1, 3, 4, 5, 6 Parameters which can be displayed when the plug-in option (FR-A7NC) is mounted. The setting is reflected after inverter reset or at the next power-on. "L.ERR" LED flickers if the setting is changed. If the inverter is reset, the setting is reflected and the LED turns off.

  • Page 28: Operation Mode Setting

    INVERTER SETTING Operation mode setting The inverter mounted with a communication option has three operation modes. (1) PU operation [PU]....Controls the inverter from the key of the operation panel (FR-DU07) mounted on the inverter. (2) External operation [EXT] ... Controls the inverter by switching on/off external signals connected to the control circuit terminals of the inverter.

  • Page 29: Operation Mode Switching And Communication Startup Mode (Pr. 79, Pr. 340)

    INVERTER SETTING 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340) (1) Operation mode switching conditions Before switching the operation mode, check that: 1) The inverter is at a stop; 2) Both the STF and STR signals are off; and 3) The Pr.
  • Page 30 INVERTER SETTING Pr. 340 Pr. 79 Operation Mode at Power on or Power Operation Mode Switchover Setting Setting Restoration 0 (initial Switching among the External, PU, and NET operation mode is External operation mode value) enabled PU operation mode PU operation mode fixed Switching between the External and Net operation mode is enabled External operation mode Switching to the PU operation mode is disallowed...
  • Page 31 INVERTER SETTING (3) Operation mode switching method External operation When "0, 1, or 2" is set in Pr. 340 Switching from the PU Switching from the network Press of the Switch to the External operation mode from PU to light Press the network.

  • Page 32: Operation And Speed Command Source (Pr. 338, Pr. 339, Pr. 550)

    INVERTER SETTING Operation and speed command source (Pr. 338, Pr. 339, Pr. 550) (1) Select command source for the Network operation mode (Pr. 550) A control location for the Network operation mode can be selected from either the inverter RS-485 terminals or a communication option.
  • Page 33 INVERTER SETTING (2) Selection of command source for the Network operation mode (Pr. 338, Pr. 339) ⋅ There are two command types: the start command, which controls the signals related to the inverter start command and function selection, and the speed command, which controls signals related to frequency setting.
  • Page 34 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET 0:NET command source External External External External FR-HC connection, instantaneous 11 X11 External power failure detection 12 X12 PU operation external interlock External External DC injection brake 13 X13...
  • Page 35 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET 0:NET command source External External External External * The signal is valid when there are SQ Sequence start External and NET* External inputs from external terminals and NET.
  • Page 36 INVERTER SETTING [Explanation of table] External :Control by signal from external terminal is only valid. :Control from network is only valid Combined :Operation from either external terminal or communication is valid. ⎯ :Operation from either external terminal or computer is invalid. Compensation :Control by signal from external terminal is only valid if Pr.

  • Page 37: Communication Eeprom Write Selection (Pr. 342)

    INVERTER SETTING 4.3.1 Communication EEPROM write selection (Pr. 342) When parameter write is performed from the communication option, write to RAM is enabled. Set when frequent parameter changes are necessary. Parameter Initial Setting Name Description Number Value Range Parameter values written by communication are written to the Communication EEPROM write EEPROM and RAM.

  • Page 38: Operation At Communication Error Occurrence

    INVERTER SETTING Operation at communication error occurrence 4.4.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502) You can select operations at communication error occurrences by setting Pr. 500 to Pr. 502 under network operation. (1) Waiting time for the communication line error output after a communication error Waiting time for the communication error output after a communication line error occurrence can be set.
  • Page 39 INVERTER SETTING (2) Displaying and clearing the communication error count The cumulative count of communication error occurrences can be displayed. Write "0" to clear this cumulative count. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Communication error occurrence count display Normal Error Normal...
  • Page 40 INVERTER SETTING (3) Inverter operation at a communication error occurrence How the inverter operates at a communication line error or an option unit fault can be set. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Stop mode selection at 0, 1, 2, 3 communication error About setting...
  • Page 41 INVERTER SETTING Operation at error removal Error Definition Pr. 502 Setting Operation Indication Fault Output Kept stopped E.OP1 or E.OP3 kept lit Kept provided Communication line Restart Normal indication Not provided Continued 0, 3 Communication Kept stopped E. 1 or E.3 kept lit Kept provided option itself 1, 2...

  • Page 42: Fault And Measures

    INVERTER SETTING 4.4.2 Fault and measures (1) The inverter operates as follows at fault occurrences. Operation Mode Fault Status Network External Location PU Operation Operation Operation Inverter operation Inverter trip Inverter trip Inverter trip Inverter Data communication Continued Continued Continued Inverter trip Inverter operation (depends on...
  • Page 43 INVERTER SETTING (2) Measures at error occurrences Fault Indication Error Definition Measures Check the LED status of the option unit and remove the cause of the Communication line E.OP1, E.OP3 alarm. (Refer to page 96 for LED indication status) error Inspect the master.

  • Page 44: Inverter Reset

    INVERTER SETTING Inverter reset (Refer to page 93 for an inverter reset program example.) (1) Operation conditions of inverter reset Which resetting method is allowed or not allowed in each operation mode is described below. Operation Mode Resetting Method Network External Operation Operation...
  • Page 45 INVERTER SETTING (2) Error reset operation selection at inverter fault When used with the communication option (FR-A7NC), an error reset command* from network can be invalid in the External operation mode or PU operation mode. Parameter Initial Setting Name Function...

  • Page 46: Cc-Link Function Setting

    Use different station numbers for different devices. (If different devices have the same station number, the communication cannot be performed properly. ) Connection example Programmable controller Inverter No.1 Inverter No.2 Inverter No.3 CC-Link remote I/O station (FR-A7NC) (FR-A7NC) (FR-A7NC) master module (occupies one station) Remote device station Remote device station Remote device station Station 00...

  • Page 47: Baud Rate Setting (Pr. 543)

    INVERTER SETTING 4.6.2 Baud rate setting (Pr. 543) Set the transmission speed. (Refer to the manual for the CC-Link master module for details of transmission speed.) Parameter Number Name Initial Value Setting Range Transmission Speed 156kbps 625kbps Baud rate selection 2.5Mbps 5Mbps 10Mbps...

  • Page 48: Frequency Command With Sign (Fr-A700 Series Only)

    INVERTER SETTING 4.6.3 Frequency command with sign (FR-A700 series only) By frequency command with sign, start command (forward rotation/reverse rotation) can be inversed to operate. Make selection of sign for the frequency command from RWw1. Parameter Numbers Name Initial Value Setting Range Frequency command sign selection (CC-Link) 0, 1 Speed setting using...

  • Page 49: Function Overview

    Using function blocks, this section explains I/O data transfer to/from an inverter in CC-Link: • Link refresh is continuously executed between the master station and inverter in the CC-Link system at intervals of 1.1ms to 141ms (per station). Inverter Programmable controller FR-A7NC CC-Link system master/local unit 3) CC-Link 1) I/O signals Input...

  • Page 50: Output From The Inverter To The Network

    FUNCTION OVERVIEW 5.2 Output from the inverter to the network Main items which can be output from the inverter to the master and their descriptions are explained below. Item Description Refer to Page The output terminal status of the inverter can be Inverter status monitor monitored.

  • Page 51: Input To The Inverter From The Network

    FUNCTION OVERVIEW 5.3 Input to the inverter from the network Main items which can be commanded from the master to the inverter and their descriptions are explained below. Item Description Refer to Page Forward rotation command Give the forward rotation command. Reverse rotation command Give the reverse rotation command.

  • Page 52: O Signal List

    I/O SIGNAL LIST 6.1 CC-Link extended setting (Pr. 544) Remote register function can be extended. Parameter Initial Setting Refer Name Description CC-Link Ver. Value Range to page Number Occupies one station (FR-A5NC compatible) Occupies one station Occupies one station double Occupies one station quadruple Occupies one station octuple CC-Link extended...

  • Page 53: I/O Signal List

    I/O SIGNAL LIST 6.2 I/O signal list 6.2.1 I/O signal when CC-Link Ver.1 one station (FR-A5NC compatible) is occupied (Pr. 544 = 0) (1) Remote I/O (32 points) Refer Refer Device Device Signal Signal Page Page RYn0 Forward rotation command RXn0 Forward running RYn1...
  • Page 54 I/O SIGNAL LIST Refer Refer Device Device Signal Signal Page Page RYnF Instruction code execution request RXnF Instruction code execution completion RY(n+1)0 RX(n+1)0 ⎯ ⎯ Reserved Reserved RY(n+1)7 RX(n+1)7 Not used Not used ⎯ ⎯ RY(n+1)8 RX(n+1)8 (initial data process completion flag) (initial data process request flag) Not used Not used...
  • Page 55 I/O SIGNAL LIST (2) Remote register Description Refer Refer Address Address Description Upper 8 Bits Lower 8 Bits Page Page RWwn Monitor code 2 Monitor code 1 RWrn First monitor value Set frequency (0.01Hz increments) RWwn+1 RWrn+1 Second monitor value / torque command RWwn+2 H00 (arbitrary)

  • Page 56: I/O Signal When Cc-Link Ver.1 One Station Is Occupied (Pr. 544 = 1)

    I/O SIGNAL LIST 6.2.2 I/O signal when CC-Link Ver.1 one station is occupied (Pr. 544 = 1) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 46) (2) Remote register Description Refer Description Refer Address Address...

  • Page 57: I/O Signal When Cc-Link Ver.2 Double Setting Is Selected (Pr. 544 = 12)

    I/O SIGNAL LIST 6.2.3 I/O signal when CC-Link Ver.2 double setting is selected (Pr. 544 = 12) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 46) (2) Remote register Description Refer Description Refer Address Address...

  • Page 58: I/O Signal When Cc-Link Ver.2 Quadruple Setting Is Selected (Pr. 544 = 14)

    I/O SIGNAL LIST 6.2.4 I/O signal when CC-Link Ver.2 quadruple setting is selected (Pr. 544 = 14) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 46) (2) Remote register Description Refer Description Refer Address Address...

  • Page 59: I/O Signal When Cc-Link Ver.2 Octuple Setting Is Selected (Pr. 544 = 18)

    I/O SIGNAL LIST 6.2.5 I/O signal when CC-Link Ver.2 octuple setting is selected (Pr. 544 = 18) (1) Remote I/O (32 points) Same as when Pr. 544 = 0 ( Refer to page 46) (2) Remote register Description Refer Description Refer Address Address...
  • Page 60 I/O SIGNAL LIST Description Refer Description Refer Address Address Upper 8 Bits Lower 8 Bits Upper 8 Bits Lower 8 Bits Page Page Link parameter RWwn+10 Instruction code RWrn+10 Reply code extended setting RWwn+11 Write data RWrn+11 Read data Link parameter RWwn+12 Instruction code RWrn+12...

  • Page 61: I/O Signal When Cc-Link Ver.1 One Station Is Occupied (Pr. 544 = 100) (Fr-A700 Series Na/Ec Version Only)

    I/O SIGNAL LIST 6.2.6 I/O signal when CC-Link Ver.1 one station is occupied (Pr. 544 = 100) (FR-A700 series NA/EC version only) The device points usable in CC-Link communication are 32 input (RX) points, 32 output (RY) points, 4 remote register (RWr) points and 4 remote register (RWw) points. For details of remote I/O and remote register, refer to the FR-A700 programmable controller function programming manual.

  • Page 62: I/O Signal When Cc-Link Ver.2 Quadruple Setting Is Selected (Pr. 544 = 114) (Fr-A700 Series Na/Ec Version Only)

    I/O SIGNAL LIST 6.2.8 I/O signal when CC-Link Ver.2 quadruple setting is selected (Pr. 544 = 114) (FR-A700 series NA/EC version only) The device points usable in CC-Link communication are 32 input (RX) points, 32 output (RY) points, 8 remote register (RWr) points and 8 remote register (RWw) points. For details of remote I/O and remote register, refer to the FR-A700 programmable controller function programming manual.

  • Page 63: Details Of Input And Output Signals

    For stations 2 and later, the device No. are different. (Refer to the master module manual for correspondence between the device No. and station number) 7.1 Details of remote input and output signals 7.1.1 Output signals (master module to inverter (FR-A7NC)) The output signals from the master module are indicated. (Input signals to inverter) Device Signal...
  • Page 64 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description When "1" is set in the monitor command (RYC), the monitored value is set in the Monitor command remote register RWr0, 1, 4 to 7, and "1" is set in the monitoring (RXC). While "1" is set in the monitor command (RYC), the monitored data is always updated.

  • Page 65: Input Signals (Inverter (Fr-A7Nc) To Master Module)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.1.2 Input signals (inverter (FR-A7NC) to master module) The input signals to the master module are indicated. (Output signals from inverter) Device Signal Description 0 : Other than forward running (during stop or reverse rotation)
  • Page 66 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description After "1" is set in the frequency setting command/torque command Frequency setting completion/torque (RYD) and the frequency setting command/torque command is command setting completion written to the inverter RAM, "1" is set in this signal. (RAM) When "0"...
  • Page 67 DETAILS OF INPUT AND OUTPUT SIGNALS <Output Signal List> The following signals can be assigned to RX2 to RX8 and RX9 to RXB using Pr.190 to Pr.196 and Pr.313 to Pr.315 respectively. For details of signal definitions, refer to Pr. 190 to Pr. 196 Output terminal function selection of the inverter manual.
  • Page 68 DETAILS OF INPUT AND OUTPUT SIGNALS Setting Applicable model Signal Function Positive Negative Name A700 F700(P) FP700 Logic Logic ORM Orientation fault — — Forward rotation output — — Reverse rotation output — — Regenerative status output — — Operation ready 2 —...
  • Page 69 DETAILS OF INPUT AND OUTPUT SIGNALS Setting Applicable model Signal Function Positive Negative Name A700 F700(P) FP700 Logic Logic ⎯ × × RIO4 Inverter side motor 4 connection RIO4 × Pulse train output of output power Position control preparation ready —...

  • Page 70: Details Of Remote Register

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2 Details of remote register 7.2.1 Remote register (master module to inverter (FR-A7NC)) Remote register definition Device No. Signal Description Monitor code1/ Set the monitor code to be referenced (Refer to page 76). When "1" is set in RYC,...
  • Page 71 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description Set the instruction code for execution of operation mode rewrite, Pr. read/write, error reference, error clear, etc. (Refer to page 71) Set "1" in RYF to execute the Link parameter corresponding instruction after completing the register setting.
  • Page 72 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description ⋅ Input a value 100 times greater than the Set the PID set point RWw9 PID set point Setting range : "0 to 100.00%" value to be set PID measured Set the PID measured value For example, input "10000"...
  • Page 73 DETAILS OF INPUT AND OUTPUT SIGNALS Device No. Signal Description Set the instruction code (refer to page 71) for execution of operation mode rewrite, Pr. read/write, error reference, error clear, etc. The instructions are executed in the RWw10, following order by setting "1" in RYF after completing the register setting: RWw2, RWw12, Link parameter 10, 12, 14, 16, then 18.

  • Page 74: Remote Register (Inverter (Fr-A7Nc) To Master Module)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.2 Remote register (inverter (FR-A7NC) to master module) (1) Remote register definition Device Signal Description When "1" is set in RYC, the specified monitored data is set to the lower 8 bits of the...
  • Page 75 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description RWr4 Third monitor value RWr5 Fourth monitor value When "1" is set in RYC, the monitored data specified by the monitor code (RWw ) is saved. ( indicates a register number (RWw4 to 7) RWr6 Fifth monitor value RWr7...
  • Page 76 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Reply code definition The reply to the instruction execution is set to RWr2, 10, 12, 14, 16, 18. When executing the frequency setting (RYD, RYE) or instruction code execution (RYF), check the reply code (RWr2) in the remote register after execution. Data Item Alarm Definition...
  • Page 77 DETAILS OF INPUT AND OUTPUT SIGNALS When torque command (FR-A700 series only) is given, values of reply code 1 below are changed. (when values other than 14, 18, (118) are set in Pr.544) When Pr.544 = 14, 18, (118), the above 4 bit of the reply code 1 is reply code to the torque command and the lower 4 bit is to the frequency command.

  • Page 78: Instruction Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.3 Instruction codes (1) Instruction code definition Set the instruction code using a remote register (RWw) (Refer to page 63.) The definition read by the instruction code is stored in the remote register (RWr). (Refer to page 67.) Read / Code Item...
  • Page 79 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number H0000 to HFFFF: Last two fault records b8 b7 Second fault in past Latest fault Read H0074 to Monitor Faults history Fourth fault in past Third fault in past H0077 Sixth fault in past Fifth fault in past...
  • Page 80 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number ⋅ Refer to the instruction code in the parameter list in the inverter H0000 to manual to read and write as required. Read H0063 Write to Pr. 77 and Pr. 79 is disabled. When setting Pr.100 and later, set link parameter extended setting.
  • Page 81 DETAILS OF INPUT AND OUTPUT SIGNALS Read / Code Item Description Write Number H0000 to H0009: Parameter description is changed according to the Read H007F Link parameter extended instruction code (extended) setting. Refer to the inverter manual for setting Write H00FF instruction code (extended) settings.
  • Page 82 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Fault data Refer to the inverter manual for details of fault definitions. Data Definition Data Definition Data Definition Fault record display example No alarm (instruction code H74) *2, *3 For read data H30A1 b8 b7 1 0 0 0 0 Last fault...

  • Page 83: Monitor Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.4 Monitor codes Monitor items selected with RWw0, RWw4 to 7 are explained below. Divide the monitor code (RWw0) into half to select the first monitor description (RWr0) from the lower 8 bits and the second monitor description (RWr1) from the upper 8 bits. REMARKS When Pr.
  • Page 84 DETAILS OF INPUT AND OUTPUT SIGNALS Second Monitor First, Third to Sixth Applicable model Code Description Monitor Description Increments Number A700 F700 FP700 (the first 8 bits) (the last 8 bits) Load meter 0.1% Motor excitation current 0.01A / 0.1A —...
  • Page 85 DETAILS OF INPUT AND OUTPUT SIGNALS Displayed increments differ by the combination of Pr.37 and Pr.144. Refer to the Instruction Manual of the inverter for the details. When frequency is selected ...... 0.01Hz increment When rotation speed is selected ....1r/min increment (Note that the increment is always 0.1r/min if Pr.811 is set to "1 or 11"...

  • Page 86: Torque Command By Cc-Link Communication (Fr-A700 Series Only)

    Torque command by terminal1 analog input Torque command by parameter setting Setting value of Pr.805 or Pr.806 (-400% to 400%) Torque command by CC-Link communication (FR-A7NC) Torque command Torque setting is enabled with a remote register. (-400% to 400%) source selection...
  • Page 87 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Torque command setting method Torque command setting method Pr.804 Setting Pr.544 Setting (Any method below can be chosen) 1) Set the torque command in RWwn+1 and turn on either RYD or RYE. 2) Set the instruction code HED and HEE in RWwn+2, the torque command value in RWwn+3, and "1"...

  • Page 88: Programming Examples

    QY40P Q61P-A1 Q02CPU (X/Y00 to 1F) (X20 to X2F) (Y30 to Y3F) Terminating resistor Station 1 Station 2 Inverter Inverter FR-A7NC FR-A7NC Terminating resistor selection switch is on Pr.542 = 1 Pr.542 = 2 Pr.544 = 0 Pr.544 = 0...
  • Page 89 PROGRAMMING EXAMPLES (2) Network parameter setting of the master station Network parameters are set as below. Setting Setting Item Item Conditions Conditions Start I/O No. 0000 Remote register (RWw) W100 Data link alarm Special relay (SB) Input clear Operation station setting Special resister (SW) settings Setting at CPU stop Refresh...
  • Page 90 PROGRAMMING EXAMPLES (3) The relation between the device of the (4) The relation between the device of the programmable controller CPU and remote I/O (RX, programmable controller CPU and remote register RY) of the remote device station is as follows: (RWw, RWr) of the remote device station is as The devices used actually are indicated in shaded follows:...

  • Page 91: Program Example For Reading The Inverter Status

    PROGRAMMING EXAMPLES 8.1 Program example for reading the inverter status The following program turns on Y00 of the output unit when station 1 inverter is running X1 SW80.0 Check the data link status of the station 1 X1002 Turn on the output unit (Y00) Inverter running (RX02) X100F X1000...

  • Page 92: Program Example For Setting The Operation Mode

    PROGRAMMING EXAMPLES 8.2 Program example for setting the operation mode The following explains a program to write various data to the inverter. The following explains a program to change the operation mode of station 1 inverter to network operation. ⋅ Operation mode writing code number: HFB (hexadecimal) ⋅...

  • Page 93: Program Example For Setting The Operation Commands

    PROGRAMMING EXAMPLES 8.3 Program example for setting the operation commands The following program gives a forward command and middle speed command to station 1 inverter SW80.0 Check the data link status of the station 1 Y1000 Forward rotation command (RY00) Y1003 Middle speed operation command (RY03) Y100F...

  • Page 94: Program Example For Monitoring The Output Frequency

    PROGRAMMING EXAMPLES 8.4 Program example for monitoring the output frequency The following explains a program to read monitor functions of the inverter. station 1 The following program reads the output frequency of inverter to D1. Output frequency reading code number: H0001 (hexadecimal) Refer to page 76 for the monitor code numbers.

  • Page 95: Program Example For Parameter Reading

    PROGRAMMING EXAMPLES 8.5 Program example for parameter reading station 1 The following program reads Pr. 7 Acceleration time of inverter to D1. ⋅ Pr. 7 Acceleration time reading code number: H07 (hexadecimal) ⋅ Refer to the inverter manual for details of the parameter codes . ⋅...

  • Page 96: Program Example For Parameter Writing

    PROGRAMMING EXAMPLES 8.6 Program example for parameter writing The following program changes the setting of Pr.7 Acceleration time of station 1 inverter to 3.0s. ⋅ Acceleration time writing code number: H87 (hexadecimal) ⋅ Acceleration time set data: K30 (decimal) For the parameter code numbers, refer to the inverter manual. The reply code at the time of instruction code execution is set to D2.

  • Page 97: Program Example For Setting The Running Frequency

    PROGRAMMING EXAMPLES 8.7 Program example for setting the running frequency 1) The following program example changes the running frequency of station 1 inverter to 50.00Hz Set frequency: K5000 decimal The reply code at the time of instruction code execution is set to D2. (Refer to page 69) X1 SW80.0 Check the data link status of the station 1 M300...
  • Page 98 PROGRAMMING EXAMPLES 2) To continuously change the running frequency from the programmable controller When the frequency (speed) setting completion (example: X100D) switches on, make sure that the reply code in the remote register is 0000H and change the set data (example: W101) continuously. 3) Program example for writing data to EEPROM Modify the above program as follows: Frequency setting command Y100D →...

  • Page 99: Program Example For Fault Record Reading

    PROGRAMMING EXAMPLES 8.8 Program example for fault record reading The following program reads fault records of station 1 inverter to D1. ⋅ Faults history No. 1, No. 2 reading code number: H74 (hexadecimal) For the error code numbers, refer to page 75. The reply code at the time of instruction code execution is set to D2.

  • Page 100: Program Example For Resetting The Inverter At Inverter Error

    PROGRAMMING EXAMPLES 8.9 Program example for resetting the inverter at inverter error The following is a program example for resetting station 1 inverter. X1 SW80.0 Check the data link status of the station 1 M0 X101A X20 Turn on the error reset request flag (RY1A) Y101A Turn off the error reset request flag (RY1A) when the error status flag (RX1A) is off.

  • Page 101: Instructions

    PROGRAMMING EXAMPLES 8.10 Instructions (1) Programming instructions 1) Since the buffer memory data of the master station is kept transferred (refreshed) to/from the inverters, the TO instruction need not be executed every scan in response to data write or read requests.
  • Page 102 (3) Troubleshooting 1)Operation mode does not switch to the network operation mode • Check that the option unit (FR-A7NC) and CC-Link dedicated cables are fitted properly. (Check for contact fault, break in the cable, etc.) • Check that Pr. 542 CC-Link station number setting switches are set to the correct positions. (Check that the station number matches the program, the station numbers are not repeated, and the station number is not outside the range.)

  • Page 103: How To Check For Error Using The Leds

    The following diagram shows the system configuration with one inverter. The diagram indicates how the cause of the fault can be checked with the LED status of the inverter communication option (FR-A7NC). (In this example, assume SW, M/S, and PRM LEDs of the master module are OFF (master module is in normal operation).)
  • Page 104 Invalid baud rate or station number setting Baud rate or station number changed during operation. Baud rate or station number changed during operation. Master station is connected to CC-Link ver. 1 and FR-A7NC is connected to CC-Link ver. 2. : On,...

  • Page 105: When Two Or More Inverters Are Connected

    The following system configuration shows how the cause of a fault can be checked with the LED status of the inverter communication option (FR-A7NC) and countermeasures for the fault. (In this example, assume SW, M/S, and PRM LEDs of the master module are OFF (master module is in normal operation).)
  • Page 106 HOW TO CHECK FOR ERROR USING THE LEDS LED Status Inverters (FR-A7NC) Cause Corrective Action Master Unit Station 1 Station 2 Station 3 Since the L.RUN LEDs of the FR- L.RUN L.RUN L.RUN A7NC on station 2 and later are off, the Referring to the LED "on"...

  • Page 107: Communication Stops During Operation

    Since the L.RUN LEDs of the FR- After correcting the repeated L.RUN L.RUN L.RUN A7NC on station 1 and the FR-A7NC station numbers of the on station 3 are off, the station inverters using Pr. 542 CC- numbers of the inverters set as Link station number, switch L.ERR...
  • Page 108 Since the L.ERR LED of the FR-A7NC L.RUN L.RUN L.RUN Securely connect FG of each on station 2 is on, the FR-A7NC itself inverter and master module on station 2 is affected by noise. to ground. (L.RUN may go off.) L.ERR...
  • Page 109 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision May 2004 IB(NA)-0600167ENG-A First edition Feb. 2006 IB(NA)-0600167ENG-B Addition Compatible with the FR-A700 series Sep. 2010 IB(NA)-0600167ENG-C Addition • Compatible with the FR-FP700/FR-F700P series •...
  • Page 110 INVERTER HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN IB(NA)-0600167ENG-C(1009) MEE Printed in Japan Specifications subject to change without notice.

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