II
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