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3.1 EMC and leakage currents ................................................................................46
3.1.1 Leakage currents and countermeasures ................................................................................. 46
3.1.2 EMC measures........................................................................................................................ 48
3.1.3 Power supply harmonics.......................................................................................................... 50
3.2 Installation of a reactor......................................................................................51
3.3 Power-OFF and magnetic contactor (MC)........................................................51
3.4 Inverter-driven 400V class motor......................................................................52
3.5 Precautions for use of the inverter...................................................................53
3.6 Failsafe of the system which uses the inverter...............................................55
4 PARAMETERS 57
4.1 Operation panel (FR-DU07) ...............................................................................58
4.1.1 Component of the operation panel (FR-DU07)........................................................................ 58
4.1.2 Basic operation (factory setting) .............................................................................................. 59
4.1.3 Easy operation mode setting (easy setting mode)................................................................... 60
4.1.4 Changing the parameter setting value..................................................................................... 61
4.1.5 Displaying the set frequency.................................................................................................... 61
4.2 Parameter list......................................................................................................62
4.2.1 Parameter list........................................................................................................................... 62
4.3 Adjustment of the output torque (current) of the motor................................ 78
4.3.1 Manual torque boost (Pr. 0, Pr. 46) ........................................................................................ 78
4.3.2 Simple magnetic flux vector control (Pr.80, Pr.90) ................................................................. 79
4.3.3 Slip compensation (Pr. 245 to Pr. 247)................................................................................... 80
4.3.4 Stall prevention operation
(Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157) ................. 81
4.3.5 Multiple rating (Pr. 570) .......................................................................................................... 86
4.4 Limiting the output frequency.......................................................................... 87
4.4.1 Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18)................................................................ 87
4.4.2 Avoiding mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36).......................... 88
4.5 V/F pattern.......................................................................................................... 89
4.5.1 Base frequency, voltage (Pr. 3, Pr. 19, Pr. 47)....................................................................... 89
4.5.2 Load pattern selection (Pr. 14) ............................................................................................... 91
4.5.3 Adjustable 5 points V/F (Pr. 71, Pr. 100 to Pr. 109)................................................................ 92
4.6 Frequency setting by external terminals ........................................................ 93
4.6.1 Multi-speed setting operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239).................. 93
4.6.2 Jog operation (Pr. 15, Pr. 16) ................................................................................................. 95
4.6.3 Input compensation of multi-speed and remote setting (Pr. 28) ............................................. 97
4.6.4 Remote setting function (Pr. 59) ............................................................................................. 98