Mitsubishi Electric FR-D720-0.2K-G 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
3.1.4 Harmonic suppression guideline in Japan.................................................................................... 41
3.2 Installation of power factor improving reactor ................................ 43
3.3 Power-OFF and magnetic contactor (MC)......................................... 44
3.4 Precautions for use of the drive unit ................................................ 45
3.5 Failsafe of the system which uses the drive unit ............................ 47
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 Changing the parameter setting value.......................................................................................... 53
4.1.5 Displaying the set speed .............................................................................................................. 53
4.2 Parameter list .................................................................................... 54
4.2.1 parameter list................................................................................................................................ 54
4.3 Test operation and gain adjustment of the PM sensorless vector
control............................................................................................... 73
4.3.1 Outline of the PM sensorless vector control ................................................................................ 73
4.3.2 Automatic parameter setting in accordance with the motor (Pr.998) .......................................... 73
4.3.3 Setting procedure of speed control.............................................................................................. 76
4.3.4 PM motor test operation (Pr. 800) ............................................................................................... 77
4.3.5 Adjusting the speed control gain (Pr. 820, Pr. 821) ..................................................................... 79
4.3.6 Gain adjustment of current controllers for the d axis and the q axis (Pr.824, Pr.825) ................. 81
4.4 Special adjustment function ............................................................ 82
4.4.1 Motor wiring resistance adjustment (Pr. 658) ............................................................................. 82
4.4.2 Adjustment for motor long-wiring (Pr. 643) ................................................................................. 82
4.5 Adjustment of the output torque (current) of the motor ................. 83
4.5.1 Stall prevention operation (Pr. 22, Pr. 48, Pr. 156, Pr. 157) ........................................................ 83
4.5.2 Start torque adjustment (Pr. 785) ................................................................................................ 86
4.6 Limiting the rotation speed.............................................................. 87
4.6.1 Maximum/minimum setting (Pr. 1, Pr. 2) ..................................................................................... 87
4.6.2 Avoiding mechanical resonance points (speed jumps) (Pr. 31 to Pr. 36) .................................... 88
4.7 Speed setting by external terminals................................................ 89
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