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HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
FR-A701
INSTRUCTION MANUAL (BASIC)
FR-A721-5.5K to 55K
FR-A741-5.5K to 55K
INVERTER
IB(NA)-0600331ENG-E(1012)MEE Printed in Japan Specifications subject to change without notice.
FR-A701 INVERTER INSTRUCTION MANUAL (BASIC)
E
701
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CONTENTS
OUTLINE ....................................................................................................... 1
1.1 Product checking and parts identification .........................................................................1
1.2 Inverter and peripheral devices.........................................................................................2
1.3 Method of removal and reinstallation of the front cover....................................................4
1.4 Installation of the inverter and enclosure design ..............................................................6
WIRING........................................................................................................ 12
2.1 Terminal connection diagram......................................................................................... 12
2.2 Main circuit terminal specifications................................................................................. 13
2.3 Control circuit specifications........................................................................................... 20
2.4 Connection of motor with encoder (vector control)........................................................ 28
PRECAUTIONS FOR USE OF THE INVERTER......................................... 35
3.1 EMC and leakage currents ............................................................................................ 35
3.2 Power-off and magnetic contactor (MC)........................................................................ 41
3.3 Inverter-driven 400V class motor................................................................................... 42
3.4 Precautions for use of the inverter ................................................................................. 43
3.5 Failsafe of the system which uses the inverter.............................................................. 45
DRIVING THE MOTOR ............................................................................... 47
4.1 Step of operation............................................................................................................47
4.2 Operation panel (FR-DU07)........................................................................................... 48
4.3 Before operation.............................................................................................................56
4.4 Start/stop from the operation panel (PU operation mode)............................................. 83
4.5 Start and stop using terminals (External operation)....................................................... 92
4.6 Parameter List.............................................................................................................. 100
TROUBLESHOOTING .............................................................................. 141
5.1 Reset method of protective function ............................................................................ 141
5.2 List of fault or alarm display ......................................................................................... 142
5.3 Causes and corrective actions..................................................................................... 143
5.4 Correspondences between digital and actual characters............................................ 159
5.5 Check and clear of the faults history.....................................................................160
5.6 Check first when you have a trouble............................................................................ 162
PRECAUTIONS FOR MAINTENANCE AND INSPECTION..................... 170
6.1 Inspection item ............................................................................................................. 170
6.2 Measurement of main circuit voltages, currents and powers ...................................... 177
SPECIFICATIONS..................................................................................... 182
7.1 Rating ........................................................................................................................... 182
7.2 Common specifications................................................................................................ 184
7.3 Outline dimension drawings......................................................................................... 185
7.4 Installation of the heatsink portion outside the enclosure for use................................ 194
Thank you for choosing this Mitsubishi Inverter.
This Instruction Manual is intended for users who "just want to run the inverter".
If you are going to utilize functions and performance, refer to the FR-A701 Series Instruction Manual (Applied) [IB-
0600337ENG]. The Instruction Manual (Applied) is separately available from where you purchased the inverter or
your Mitsubishi sales representative.
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