Mitsubishi Electric F700

II
Content
3.1 Noise and leakage currents .............................................................................. 42
3.1.1 Leakage currents and countermeasures ................................................................................. 42
3.1.2 Inverter-generated noises and their reduction techniques ...................................................... 44
3.1.3 Power supply harmonics ......................................................................................................... 46
3.1.4 Harmonic suppression guideline .............................................................................................47
3.2 Installation of a reactor ..................................................................................... 50
3.3 Power-off and magnetic contactor (MC).......................................................... 50
3.4 Inverter-driven 400V class motor ..................................................................... 51
3.5 Precautions for use of the inverter .................................................................. 52
4 PARAMETERS 55
4.1 Operation panel (FR-DU07) ............................................................................... 56
4.1.1 Parts of the operation panel (FR-DU07) .................................................................................. 56
4.1.2 Basic operation (factory setting) .............................................................................................. 57
4.1.3 Change the parameter setting value ....................................................................................... 58
4.1.4 Setting dial push ...................................................................................................................... 58
4.2 Parameter List .................................................................................................... 59
4.2.1 Parameter list .......................................................................................................................... 59
4.3 Adjust the output torque of the motor (current) ............................................ 70
4.3.1 Manual torque boost (Pr. 0, Pr. 46) ........................................................................................ 70
4.3.2 Simple magnetic flux vector control (Pr.80, Pr.90) ................................................................. 71
4.3.3 Slip compensation (Pr. 245 to Pr. 247)................................................................................... 72
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) ................. 73
4.4 Limit the output frequency............................................................................... 78
4.4.1 Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18) ............................................................... 78
4.4.2 Avoid mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36) .............................. 79
4.5 Set V/F pattern................................................................................................... 80
4.5.1 Base frequency, voltage (Pr. 3, Pr. 19, Pr. 47) ....................................................................... 80
4.5.2 Load pattern selection (Pr. 14) ............................................................................................... 82
4.5.3 Adjustable 5 points V/F (Pr. 71, Pr. 100 to Pr. 109) ............................................................... 83
4.6 Frequency setting by external terminals ........................................................ 84
4.6.1 Multi-speed setting operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239) ................. 84
4.6.2 Jog operation (Pr. 15, Pr. 16) ................................................................................................ 86
4.6.3 Input compensation of multi-speed and remote setting (Pr. 28)............................................. 88
4.6.4 Remote setting function (Pr. 59)............................................................................................. 89