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INVERTER
Plug-in option
FR-A7AR

INSTRUCTION MANUAL

Relay output function
PRE-OPERATION INSTRUCTIONS
INSTALLATION AND WIRING
RELAY OUTPUT
1
2
3

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Table of Contents

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   Summary of Contents for Mitsubishi Electric FR-A7AR

  • Page 1: Instruction Manual

    INVERTER Plug-in option FR-A7AR INSTRUCTION MANUAL Relay output function PRE-OPERATION INSTRUCTIONS INSTALLATION AND WIRING RELAY OUTPUT...
  • 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 • 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. manual.
  • 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 1.1.3 Specifications ..............................3 INSTALLATION AND WIRING Pre-Installation Instructions ......................5 Installation Procedure ........................6 Wiring..............................7 RELAY OUTPUT Internal Block Diagram........................9 Terminals ............................10 Parameter List ..........................10 Output Signal List ..........................11 The Commercial Power Supply-Inverter Switchover Sequence Function .........13...
  • Page 5: Pre-operation Instructions

    PRE-OPERATION INSTRUCTIONS 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. 1.1.1 Packing confirmation Check the enclosed items.
  • Page 6: Parts

    PRE-OPERATION INSTRUCTIONS 1.1.2 Parts Mounting Terminal Front view Rear view hole block Mounting hole Connector Mounting hole Connect to the inverter option connector (Refer to page 6) Terminal layout...
  • Page 7: Specifications

    PRE-OPERATION INSTRUCTIONS 1.1.3 Specifications (1) Types of output signal 1 changeover contact output (three relays are provided) (2) Contact capacity 230VAC ..0.3A 30VDC .... 0.3A CAUTION The contacts should be used within the rated capacity to prevent contacts weld resulting from faster contacts wearing.
  • Page 8 MEMO...
  • Page 9: Installation And Wiring

    INSTALLATION AND WIRING 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.
  • Page 10: Installation Procedure

    INSTALLATION AND WIRING 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 11: Wiring

    INSTALLATION AND WIRING 2.3 Wiring (1) Strip off the sheath of the cable to wire. Strip off the sheath about the size below. If the length of the sheath pealed is too long, a short circuit may occur among neighboring wires. If the length is too short, wires might come off. Wire the stripped cable after twisting it to prevent it from becoming loose.
  • Page 12 INSTALLATION AND WIRING (3) For wiring of the FR-F700 series 30K (FR-F720-01250, FR-F740-00620) or less, route wires between the control circuit terminal block and front cover. If cables can not be routed between the control circuit terminal block and front cover due to the increased number of cables, remove a hook of the front cover and use a space become available.
  • Page 13: Relay Output

    You can select any three output signals available with an inverter as standard, and output them as relay contact signals. Refer to page 11 of the Instruction Manual (detailed) for details. The following is the internal block diagram of the FR-A7AR. Connector Controller...
  • Page 14: Terminals

    RELAY OUTPUT 3.2 Terminals Terminal Symbol Description Relay RA1's normally open contact terminal Relay RA1's normally closed contact terminal Relay RA1's contact common terminal Relay RA2's normally open contact terminal Relay RA2's normally closed contact terminal Relay RA2's contact common terminal Relay RA3's normally open contact terminal Relay RA3's normally closed contact terminal Relay RA3's contact common terminal...
  • Page 15: Output Signal List

    RELAY OUTPUT 3.4 Output Signal List For details of signal definitions, refer to Pr. 190 to Pr. 196 (Output terminal function selection) of the inverter manual (applied). Setting Setting Signal Signal Function Function Positive Positive Name Name logic logic Inverter running Fan fault output Up to frequency Heatsink overheat pre-alarm...
  • Page 16 RELAY OUTPUT Setting Setting Signal Signal Function Function Positive Positive Name Name logic logic Inrush current limit circuit life Remote output Life alarm Minor fault output Input MC shut off signal Alarm output  ALM2 Alarm output 2 9999 No function Maintenance timer signal Setting can be made only for the 75K (FR-F720-03160, FR-F740-1800) or more.
  • Page 17: The Commercial Power Supply-inverter Switchover Sequence Function

    RELAY OUTPUT 3.5 The Commercial Power Supply-Inverter Switchover Sequence Function When using the commercial power supply-inverter switchover sequence function with the FR-A7AR mounted, it is recommended to use either connection shown below. (1) Recommended connection example 1 Use inverter output terminals (contact...
  • Page 18 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision May, 2004 IB(NA)-0600166ENG-A First edition Dec., 2004 IB(NA)-0600166ENG-B Partial modification Board shape change Addition Compatible with the FR-F700-NA series...
  • Page 19 INVERTER HEAD OFFICE:MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100-8310 IB(NA)-0600166ENG-B (0412) MEE Printed in Japan Specifications subject to change without notice.

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