Pm Sensorless Vector Control - Mitsubishi Electric FR-E700EX Instruction Manual

4.3

PM sensorless vector control

4.3.1 Outline of PM sensorless vector control ....................................................................................... 73
4.3.2 Automatic parameter setting in accordance with the motor (Pr.998)............................................ 73
4.3.3 Changing the control method (Pr.800).......................................................................................... 75
4.4 Speed control
4.4.1 Outline of speed control................................................................................................................ 78
4.4.2 Setting procedure of speed control............................................................................................... 79
4.4.3 Adjusting the speed control gain (Pr.820, Pr.821, X44 signal) ..................................................... 80
4.4.4 Speed feed forward control, model adaptive speed control
(Pr.828, Pr.877 to Pr.881)............................................................................................................. 83
4.4.5 Excessive speed deviation (Pr.285, Pr.853)................................................................................. 84
4.4.6 Notch filter (Pr.862, Pr.863, Pr.871) ............................................................................................. 85
4.4.7 Speed estimation gain and current control gain (Pr.730, Pr.824, Pr.825) .................................... 86
4.4.8 Adjusting the motor wiring resistance (Pr.658) ............................................................................. 87
4.5 Position control
4.5.1 Outline of position control ............................................................................................................. 88
4.5.2 Setting procedure of position control ............................................................................................ 91
4.5.3 Gain adjustment of position control
(Pr.422, Pr.423, Pr.427, Pr.446, Pr.463, Pr.698, Pr.877) ............................................................. 92
4.5.4 Simple positioning function by point tables (Pr.4 to 6, Pr.24 to Pr.27, Pr.465 to Pr.478, Pr.508,
Pr.509, Pr.525 to Pr.531, Pr.537, Pr.578 to Pr.591) ..................................................................... 95
4.5.5 Stop operation under position control (Pr.464, Pr.535) .............................................................. 100
4.5.6 Stopper control function (Pr.512 to Pr.515, X29 signal) ............................................................. 102
4.5.7 Home position return under position control (Pr.110, Pr.111, Pr.453, Pr.455, Pr.508, Pr.509, Pr.532
to Pr.534) .................................................................................................................................... 104
4.5.8 Setting of the electronic gear (Pr.420, Pr.421) ........................................................................... 108
4.5.9 Setting the position adjustment parameters (Pr.426, Pr.506, Pr.507, Pr.510, Pr.511, Pr.536, Y36
signal, PBSY signal, MEND signal, CPO signal, FP signal) ....................................................... 109
4.6 Adjusting the output torque (current) of the motor
4.6.1 Torque limit (Pr.22, Pr.48, Pr.148, Pr.149, Pr.156, Pr.157) ........................................................ 111
4.6.2 Adjusting the S-PM geared motor starting torque (Pr.785) ............................................................. 114
4.7 Limiting the rotation speed
4.7.1 Maximum/minimum setting (Pr.1, Pr.2) ...................................................................................... 115
4.7.2 Avoiding mechanical resonance points (Speed jump) (Pr.31 to Pr.36) ...................................... 116
4.8 Speed setting by external terminals
4.8.1 Operation by multi-speed operation (Pr.4 to Pr.6, Pr.24 to Pr.27, Pr.232 to Pr.239).................. 117
4.8.2 Jog operation (Pr.15, Pr.16, JOG signal, JOG2 signal).............................................................. 119
4.8.3 Remote setting function (Pr.59) .................................................................................................. 122
4.9 Setting of acceleration/deceleration time and acceleration/decelera-
tion pattern
4.9.1 Setting of the acceleration and deceleration time
(Pr.7, Pr.8, Pr.20, Pr.44, Pr.45, Pr.147, Pr.375, Pr.791, Pr.792) ................................................ 125
4.9.2 Motor starting speed (Pr.13) ....................................................................................................... 128
70
Parameters according to purposes
73
78
88
111
115
117
125