Test Operation And Gain Adjustment Of The Pm Sensorless Vector Control - Mitsubishi Electric FR-D720-0.2K-G Instruction Manual

4.3 Test operation and gain adjustment of the PM sensorless vector
control
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
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
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
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
4.7.1 Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239).............. 89
4.7.2 Jog operation (Pr. 15, Pr. 16) ....................................................................................................... 91
4.7.3 Remote setting function (Pr. 59) ................................................................................................... 93
4.8 Setting of acceleration/deceleration time and acceleration/
deceleration pattern
4.8.1 Setting of the acceleration and deceleration time
(Pr. 7, Pr. 8, Pr. 20, Pr. 44, Pr. 45, Pr. 791, Pr. 792) ................................................................... 97
4.8.2 Minimum motor rotation speed (Pr. 13) ........................................................................................ 99
4.8.3 Acceleration/deceleration pattern (Pr. 29) .................................................................................. 100
4.9 Selection and protection of a motor
4.9.1 Motor overheat protection (Electronic thermal O/L relay, PTC thermistor protection)
(Pr. 9, Pr. 561, Pr.600 to Pr.604) ................................................................................................ 101
4.9.2 Applied motor (Pr.71) ................................................................................................................. 105
4.9.3 Offline auto tuning (Pr.9, Pr.71, Pr.80, Pr.81, Pr.83, Pr.84, Pr.90, Pr.92, Pr.93, Pr.96, Pr.672, Pr.702,
Pr.706, Pr.707, Pr.711, Pr.712, Pr.717, Pr.721, Pr.724 to Pr.726, Pr.859) ................................ 105
4.10 Motor brake and stop operation
4.10.1 DC injection brake and pre-excitation (Pr. 10, Pr. 11, Pr. 795)................................................... 110
4.10.2 Brake opening request (BOF) signal (Pr. 281, Pr. 283) ............................................................. 112
4.10.3 Activating the electromagnetic brake (MBR signal, Pr. 736) ...................................................... 113
4.10.4 Selection of a regenerative brake (Pr. 30, Pr. 70) ...................................................................... 114
4.10.5 Stop selection (Pr. 250) .............................................................................................................. 116
4.11 Function assignment of external terminal and control
70
Parameters according to purposes
73
82
83
87
89
97
101
110
117