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

Mitsubishi Electric FR-A7NC Instruction Manual

Plug-in option, cc-link communication function
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Download this manual See also: Instruction Manual
INVERTER
Plug-in option
FR-A7NC
INSTRUCTION MANUAL
communication function
PRE-OPERATION INSTRUCTIONS
DETAILS OF INPUT AND OUTPUT
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
6
7
8
9

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Summary of Contents for Mitsubishi Electric FR-A7NC

  • Page 1 INVERTER Plug-in option PRE-OPERATION INSTRUCTIONS FR-A7NC INSTALLATION INSTRUCTION MANUAL WIRING INVERTER SETTING communication function FUNCTION OVERVIEW I/O SIGNAL LIST DETAILS OF INPUT AND OUTPUT PROGRAMMING EXAMPLES HOW TO CHECK FOR ERROR USING THE LEDS...
  • Page 2 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 • Do not modify the equipment. • Apply only the voltage specified in the instruction manual to • Do not perform parts removal which is not instructed in this each terminal. Otherwise, burst, damage, etc. may occur. •...

  • Page 4: Table Of Contents

     CONTENTS  PRE-OPERATION INSTRUCTIONS Unpacking and Product Confirmation .....................1 1.1.1 Packing confirmation ............................1 1.1.2 Parts ................................2 Inverter Option Specifications......................3 CC-Link Version ..........................4 1.3.1 CC-Link Ver. 1.10 ............................4 1.3.2 CC-Link Ver. 2 ..............................4 INSTALLATION Pre-Installation Instructions ......................5 Installation of the communication option LED display cover ............5 Installation Procedure ........................6 WIRING...
  • Page 5 I/O signal when CC-Link Ver.2 octuple setting is selected (Pr. 544 = 18)............ 43 DETAILS OF INPUT AND OUTPUT SIGNALS Details of Remote Input and Output Signals.................45 7.1.1 Output signals (master unit to inverter (FR-A7NC)) ..................45 7.1.2 Input signals (inverter (FR-A7NC) to master unit) ..................47 Details of Remote Resister ......................49...
  • Page 6 7.2.1 Remote resister (master unit to inverter (FR-A7NC)) ................... 49 7.2.2 Remote resister (inverter (FR-A7NC) to master unit) ................... 52 7.2.3 Instruction codes ............................55 7.2.4 Monitor codes ............................... 59 PROGRAMMING EXAMPLES Program Example for Reading the Inverter Status...............64 Program Example for Setting the Operation Mode...............65 Program Example for Setting the Operation Commands ............66...

  • Page 7: Pre-Operation Instructions

    PRE-OPERATION INSTRUCTIONS 1.1 Unpacking and Product Confirmation Take the plug-in option out of the package, check the unit name, and confirm that the product is as you ordered and intact. This product is a plug-in option dedicated for the FR-F series.

  • Page 8: Parts

    Lit during normal operation (5V is supplied in the board) (Lit even in the noncommunication status.) Flickers when the master station is Ver.1 and the FR-A7NC is Ver.2 compatible. (Refer to page 4.) Turns off when no data is transmitted.

  • Page 9: Inverter Option Specifications

    PRE-OPERATION INSTRUCTIONS 1.2 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 37 for the number of stations occupied), May be used with other connected equipment.

  • Page 10: 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. 1.3.2 CC-Link Ver. 2 The FR-A7NC is compatible with CC- Link Ver.2. Master station Master station (Ver.1)

  • Page 11: Installation

    INSTALLATION 2.1 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. 2.2 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.

  • Page 12: Installation Procedure

    INSTALLATION 2.3 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) 3) Securely fit the connector of the plug-in option to the inverter connector along the guides.

  • Page 13: Wiring

    Mount the option (FR-A7NC) on the inverter. (3) Connect the PLC CC-Link unit 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 14: Connection Of Several Inverters

    Factory Automation can be applied to several inverters which share a link system as CC-Link remote device stations and are controlled and monitored by PLC user programs. Perform setting terminating resistor selection switch (SW1). (Refer to page 2 FR-A7NC FR-A7NC Master module for the position of the switch.) Terminating Blue...
  • Page 15 FR-A7NC connector for communication. When changing the FR- A7NC online, connect a terminating resistor supplied with a PLC master module to the FR-A7NC after modifying it and do not use the internal terminating resistor (SW2 1-OFF, 2-OFF).
  • Page 16 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: {(a + a2 + a4 + a8) + (b + b2 + b4 + b8) 2 + (c + c2 + c4 + c8) 3 + (d + d2 + d4 + d8) 4} 64 32 + a2 32 + a4...

  • Page 17: 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 18: Wiring

    Prevent looseness with a compression tube Note the crimping method. Shielded cable Hold the long side in a longitudinal direction and insert it into the terminal block. Use of a junction terminal block FR-A7NC FR-A7NC Junction terminal block Junction terminal block...
  • Page 19 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 m 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 20 ⋅ When the hook of the inverter front cover is cut off for wiring, the protective structure (JEM1030) changes to open type (IP10). ⋅ If the terminal block of the FR-A7NC is removed, built-in terminating resistor can not be used. (Refer to page 8.) CAUTION...

  • Page 21: Inverter Setting

    0, 1, 9999 9999 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" of the LED flickers if the setting is changed. If the inverter is reset, the setting is reflected and LED turns off.

  • Page 22: Operation Mode Setting

    INVERTER SETTING 4.2 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 23: 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 24 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 25 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 26: Operation And Speed Command Source (Pr. 338, Pr. 339, Pr. 550)

    INVERTER SETTING 4.3 Operation and Speed Command Source (Pr. 338, Pr. 339, Pr. 550) (1) Select control 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 terminal or communication option.
  • Page 27 INVERTER SETTING (2) Selection of control source for the network operation mode (Pr. 338, Pr. 339) As control sources, there are operation command source that controls signals related to the inverter start command and function selection and speed command source that controls signals related to frequency setting.
  • Page 28 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET External 0:NET command source External External External FR-HC connection, instantaneous External power failure detection X12 PU operation external interlock External External DC injection brake External operation is started X14 PID control valid terminal...

  • Page 29: 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 communication written...

  • Page 30: Operation At Communication Error Occurrence

    INVERTER SETTING 4.4 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) The set time from when a communication line error occurrence until communication error output You can set the waiting time from when a communication line error occurs until it is recognized as a communication error.
  • Page 31 INVERTER SETTING (2) Display and erasure of communication error occurrence count The cumulative number of communication error occurrences can be indicated. Write "0" to erase this cumulative count. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Communication error occurrence count display Normal Error...
  • Page 32 INVERTER SETTING (3) Inverter operation selection at communication error occurrence You can select the inverter operation if a communication line error or an error of the option unit itself occurs. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Stop mode selection at 0, 1, 2, 3 communication error...
  • Page 33 INVERTER SETTING Operation at error removal Error Pr. 502 Setting Operation Indication Alarm Output Kept stopped E.OP1 kept lit Kept provided Communication line Restart Normal indication Not provided Continued 0, 3 Communication Kept stopped E. 1 kept lit Kept provided option itself 1, 2 CAUTION...

  • Page 34: Alarm And Measures

    INVERTER SETTING 4.4.2 Alarm and measures (1) The inverter operates as follows at alarm occurrences. Operation Mode Error Status External Network Location PU Operation Operation Operation Inverter operation Inverter trip Inverter trip Inverter trip Inverter Data communication Continued Continued Continued Inverter trip Inverter operation Continued...

  • Page 35: Inverter Reset

    INVERTER SETTING (2) Measures at alarm occurrences Alarm Alarm Definition Measures Indication Check the LED status of the option unit and remove the cause of the alarm. Communication line E.OP1 (Refer to page 77 for LED indication status) error Inspect the master. Check the connection between the inverter and option unit for poor contact, Option alarm etc.
  • Page 36 .) (2) Error reset operation selection at inverter fault When used with the communication option (FR-A7NC), an error reset command (RY1A) from network can be made invalid in the external operation mode or PU operation mode.

  • Page 37: Cc-Link Function Setting

    Note that the same station numbers can not be used more than once. (Doing so disables proper communication.) Connection example Inverter No.1 Inverter No.2 Inverter No.3 CC-Link PLC remote I/O station (FR-A7NC) (FR-A7NC) (FR-A7NC) master module (occupies one station) Remote device station Remote device station...

  • Page 38: Baud Rate Setting (Pr. 543)

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

  • Page 39: 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 PLC CC-Link system master/local unit FR-A7NC 3) CC-Link 1) I/O signals Input dedicated...

  • Page 40: 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 41: 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 42 MEMO...

  • Page 43: I/O Signal List

    I/O SIGNAL LIST 6.1 CC-Link Extended Setting (Pr. 544) Remote register function can be extended. Refer Parameter Initial Setting Name Description CC-Link Ver. Number Value Range page Occupies one station (FR-A5NC compatible) Occupies one station CC-Link extended setting Occupies one station double Occupies one station quadrople Occupies one station octuple The program used for conventional series inverter (FR-A5NC) can be used.

  • Page 44: 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 45 I/O SIGNAL LIST Refer Refer Device Device Signal Signal Page Page 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 46: 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 38) (2) Remote resister Refer Refer Description Description Address Address...

  • Page 47: 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 38) (2) Remote resister Refer Refer Description Description Address Address...

  • Page 48: 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 38) (2) Remote resister Refer Refer Description Description Address Address...

  • Page 49: 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 38) (2) Remote resister Refer Refer Description Description Address Address...
  • Page 50 I/O SIGNAL LIST Refer Refer Description Description 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 expansion setting RWwn+11 Write data RWrn+11 Read data Link parameter RWwn+12 Instruction code RWrn+12...

  • Page 51: Details Of Input And Output Signals

    For stations 2 and later, the device No. are different. (Refer to the master unit 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 unit to inverter (FR-A7NC)) The output signals from the master unit are indicated. (Input signals to inverter) Device Signal...
  • Page 52 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description When the monitor command (RYC) is switched on, the monitor value is set to Monitor command remote resister RWr0, 1, 4 to 7 and monitoring (RXC) switches on. While the monitor command (RYC) is on, the monitor value is always updated. When the frequency setting command (RYD) is switched on, the set frequency Frequency setting (RWw1) is written to RAM of the inverter.

  • Page 53: Input Signals (Inverter (Fr-A7Nc) To Master Unit)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.1.2 Input signals (inverter (FR-A7NC) to master unit) The input signals to the master unit are indicated. (Output signals from inverter) Device Signal Description OFF : Other than forward running (during stop or reverse rotation)
  • Page 54 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description Switched on when the set frequency is written to the inverter RAM by the frequency setting command (RYD) switching on. Frequency Frequency setting completion (RAM) setting completion (RXD) is switched off when the frequency setting command (RYD) is switched off.

  • Page 55: Details Of Remote Resister

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2 Details of Remote Resister 7.2.1 Remote resister (master unit to inverter (FR-A7NC)) Remote resister definition Device Signal Description Monitor code1/ Set the monitor code to be referenced. (Refer to page 59) By switching on the RYC...
  • Page 56 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description RWw4 Monitor code 3 Set the monitor code to be monitored. By switching on the RYC signal after setting, RWw5 Monitor code 4 the specified monitored data is stored to RWr . ( indicates a register number.
  • Page 57 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description Set the instruction code (refer to page 55) for execution of operation mode rewrite, Pr. read/write, error reference, error clear, etc. The corresponding instruction is RWw10, executed in order of RWw2, 10, 12,14,16, 18 by switching on RYF after completion RWw12, Link parameter RWw14,...

  • Page 58: Remote Resister (Inverter (Fr-A7Nc) To Master Unit)

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.2 Remote resister (inverter (FR-A7NC) to master unit) (1) Remote resister definition Device Signal Description When RYC is on, the monitor value specified to the lower 8 bits of the monitor code RWr0 First monitor value (RWw0) is set.
  • Page 59 DETAILS OF INPUT AND OUTPUT SIGNALS Device Signal Description RWr4 Third monitor value Fourth monitor RWr5 When RYC is on, the monitor value specified to the monitor code (RWw ) is stored. value indicates a register number (RWw4 to 7) RWr6 Fifth monitor value RWr7...
  • Page 60 DETAILS OF INPUT AND OUTPUT SIGNALS (2) Reply code definition The reply to the instruction execution is set to RWr2. 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 61: Instruction Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.3 Instruction codes (1) Instruction code definition Set the instruction code using a remote resister (RWw) (Refer to page 49.) The definition read by the instruction code is stored in the remote resister (RWr). (Refer to page 52.) Code Item Description...
  • Page 62 DETAILS OF INPUT AND OUTPUT SIGNALS Code Item Description Number H0000 to HFFFF: Last two alarm definitions b8 b7 Second alarm in past Latest alarm H0074 to Fourth alarm in past Third alarm in past Monitor Alarm definition H0077 Sixth alarm in past Fifth alarm in past Eighth alarm in past Seventh alarm in past...
  • Page 63 DETAILS OF INPUT AND OUTPUT SIGNALS Code Item Description Number ⋅ Refer to the instruction code in the parameter list in the inverter manual H0000 to (applied) to read and write as required. Parameter read H0063 Write to Pr. 77 and Pr. 79 is disabled. ⋅...
  • Page 64 DETAILS OF INPUT AND OUTPUT SIGNALS Code Item Description Number When setting the bias/gain (instruction codes H5E to H61, HDE to HE1) Second parameter changing H006C parameters (read) H00: Frequency Second parameter changing H01: Analog value set in parameters H00EC (write) H02: Analog value input from the terminal Setting can be made when the link parameter expansion setting = "1, 9".

  • Page 65: Monitor Codes

    DETAILS OF INPUT AND OUTPUT SIGNALS 7.2.4 Monitor codes Monitor items selected with RWw0, RWw4 to 7 are explained below. Devide 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 66 DETAILS OF INPUT AND OUTPUT SIGNALS Code Second to Sixth Monitor Description First Monitor Description Increments Number (the first 8 bits) (the last 8 bits) Cumulative energization time Cumulative energization time  No monitoring (monitor value is 0) No monitoring (monitor value is 0) Actual operation time Actual operation time Motor load factor...

  • Page 67: Programming Examples

    Power supply QJ61BT11N QX40 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 Pr.542 = 1 Pr.542 = 2 Pr.544 = 0 Pr.544 = 0...
  • Page 68 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 resister (RWr) Data link alarm Input clear Remote resister (RWw) W100 Operation station setting settings Setting at CPU stop Refresh Special relay (SB)
  • Page 69 PROGRAMMING EXAMPLES (3) The relation between the device of the PLC (4) The relation between the device of the PLC CPU and remote I/O (RX, RY) of the remote CPU and remote resister (RWw, RWr) of the device station is as follows: remote device station is as follows: The devices used actually are indicated in The devices used actually are indicated in...

  • Page 70: Program Example For Reading The Inverter Status

    PROGRAMMING EXAMPLES 8.1 Program Example for Reading the Inverter Status station 1 The following program turns on Y00 of the output unit when inverter is running Read data link status of each station BMOV SW80 K4MO K4 X1002 Turn on the output unit (Y00) Inverter running (RX02) X100F X1000...

  • Page 71: 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. station 1 The following explains a program to change the operation mode of inverter to network operation. ⋅ Operation mode writing code number: HFB (hexadecimal) ⋅...

  • Page 72: Program Example For Setting The Operation Commands

    PROGRAMMING EXAMPLES 8.3 Program Example for Setting the Operation Commands station 1 The following program gives a forward command and middle speed command to inverter BMOV SW80 K4M0 K4 Read data link status of each station Y1000 Forward rotation command (RY00) Y1003 Middle speed operation command (RY03) Y100F...

  • Page 73: 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 59 for the monitor code numbers.

  • Page 74: 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 75: Program Example For Parameter Writing

    PROGRAMMING EXAMPLES 8.6 Program Example for Parameter Writing station 1 The following program changes the setting of Pr.7 Acceleration time of 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 76: Program Example For Setting The Running Frequency

    PROGRAMMING EXAMPLES 8.7 Program Example for Setting the Running Frequency station 1 1) The following program example changes the running frequency of 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 54) BMOV SW80 K4M0 K4 Read data link status of each station M300...
  • Page 77 PROGRAMMING EXAMPLES 2) To continuously change the running frequency from the PLC 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 78: Program Example For Alarm Definition Reading

    PROGRAMMING EXAMPLES 8.8 Program Example for Alarm Definition Reading station 1 The following program reads alarm definitions of inverter to D1. ⋅ Alarm (error) history No. 1, No. 2 reading code number: H74 (hexadecimal) For the error code numbers, refer to page 58. The reply code at the time of instruction code execution is set to D2.

  • Page 79: Program Example For Resetting The Inverter At Inverter Error

    PROGRAMMING EXAMPLES 8.9 Program Example for Resetting the Inverter at Inverter Error station 1 The following is a program example for resetting inverter. Turn on the error reset request flag (RY1A) BMOV SW80 K4M0 M0 X101A X20 Turn off the error reset request flag (RY1A) Y101A when the error status flag (RX1A) is off.

  • Page 80: 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 81 PROGRAMMING EXAMPLES 4) If the PLC (master station) is reset during CC-Link operation or if the PLC is powered off, data communication stops and the inverter is brought to an alarm stop "E.OP1". To reset the PLC (master station), switch the operation mode to the external operation once, then reset the PLC.
  • Page 82 MEMO...

  • Page 83: How To Check For Error Using The Leds

    The following example indicates the causes of faults which may be judged from the LED status of the communication option (FR-A7NC) of the inverter under the condition that the SW, M/S and PRM LEDs of the master unit are off (the master unit setting is correct) in the system configuration where one inverter is...
  • Page 84 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 85: When Two Or More Inverters Are Connected

    The following example indicates the causes and corrective actions for faults which may be judged from the LED status of the communication option (FR-A7NC) of the inverter under the condition that the SW, M/S and PRM LEDs of the master unit are off (the master unit setting is correct) in the system configuration...
  • Page 86 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 87: 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 88 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 unit to on station 2 is affected by noise. ground. (L.RUN may go off.) L.ERR...
  • Page 89 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision First edition May, 2004 IB(NA)-0600167ENG-A...

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