Mitsubishi Electric FR-E720-600 Instruction Manual page 6

3.1.1 Leakage currents and countermeasures ...................................................................................... 36
3.1.2 EMC measures............................................................................................................................. 38
3.1.3 Power supply harmonics .............................................................................................................. 40
3.2 Installation of power factor improving reactor ............................... 41
3.3 Power-off and magnetic contactor (MC) .......................................... 42
3.4 Inverter-driven 400V class motor .................................................... 43
3.5 Precautions for use of the inverter .................................................. 44
3.6 Failsafe of the system which uses the inverter .............................. 46
4 PARAMETERS
4.1 Operation panel ................................................................................ 50
4.1.1 Names and functions of the operation panel ................................................................................ 50
4.1.2 Basic operation (factory setting) ................................................................................................... 51
4.1.3 Easy operation mode setting (easy setting mode) ....................................................................... 52
4.1.4 Change the parameter setting value ............................................................................................ 53
4.1.5 Setting dial push ........................................................................................................................... 53
4.2 Parameter list ................................................................................... 54
4.3 Control mode ................................................................................... 75
4.3.1 Change the control method (Pr. 80, Pr. 81, Pr. 800) ................................................................... 76
4.4 Adjust the output torque of the motor (current)............................. 77
4.4.1 Manual torque boost (Pr. 0, Pr. 46) ............................................................................................. 77
4.4.2 Advance magnetic flux vector control (Pr. 71, Pr. 80, Pr. 81, Pr.89, Pr. 800) ........................... 79
4.4.3 General-purpose magnetic flux vector control (Pr. 71, Pr. 80, Pr. 81, Pr. 800) ........................... 82
4.4.4 Slip compensation (Pr. 245 to Pr. 247) ....................................................................................... 84
4.4.5 Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 66, Pr. 156, Pr. 157, Pr. 277) ................... 85
4.5 Limit the output frequency.............................................................. 89
4.5.1 Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18) .................................................................... 89
4.5.2 Avoid mechanical resonance points (frequency jumps) (Pr. 31 to Pr. 36)................................... 90
4.6 Set V/F pattern................................................................................. 91
4.6.1 Base frequency, voltage (Pr. 3, Pr. 19, Pr. 47) ............................................................................ 91
4.6.2 Load pattern selection (Pr. 14) .................................................................................................... 93
4.7 Frequency setting by external terminals........................................ 95
4.7.1 Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239) ............ 95
4.7.2 Jog operation (Pr. 15, Pr. 16) ...................................................................................................... 97
4.7.3 Remote setting function (Pr. 59) .................................................................................................. 99
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