Mitsubishi Electric FR-A720-0.4K Instruction Manual page 94

Fr-a700 series
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4.3
4.3.1
What is vector control?................................................................................................................................ 88
4.3.2
Change the control method (Pr. 80, Pr. 81, Pr. 451, Pr. 800) ..................................................................... 91
4.4
4.4.1
Setting procedure of real sensorless vector control (speed control) .......................................................... 96
4.4.2
Setting procedure of vector control (speed control) ................................................................................... 97
4.4.3
(Pr. 22, Pr. 803, Pr. 810 to Pr. 817, Pr. 858, Pr. 868, Pr. 874) .................................................................. 98
4.4.4
Pr. 831, Pr. 880) ..................................................................................................................................... 103
4.4.5
4.4.6
Torque biases (Pr. 840 to Pr. 848) ........................................................................................................... 112
4.4.7
Prevent the motor from overrunning (Pr. 285, Pr. 853, Pr. 873) .............................................................. 115
4.4.8
Notch filter (Pr. 862, Pr. 863) ................................................................................................................... 116
4.5
4.5.1
Torque control ........................................................................................................................................... 117
4.5.2
Setting procedure of real sensorless vector control (torque control) ........................................................ 119
4.5.3
Setting procedure of vector control (torque control) ................................................................................. 120
4.5.4
Torque command (Pr. 803 to Pr. 806) ...................................................................................................... 121
4.5.5
Speed limit (Pr. 807 to Pr. 809) ................................................................................................................ 123
4.5.6
Gain adjustment of torque control (Pr. 824, Pr. 825, Pr. 834, Pr. 835) .................................................... 126
4.6
4.6.1
Position control ......................................................................................................................................... 128
4.6.2
4.6.3
Position control (Pr. 419, Pr. 428 to Pr. 430) by inverter pulse train input ............................................... 133
4.6.4
Setting of the electronic gear (Pr. 420, Pr. 421, Pr. 424) ........................................................................ 135
4.6.5
Setting of positioning adjustment parameter (Pr. 426, Pr. 427) ............................................................... 136
4.6.6
Gain adjustment of position control (Pr. 422, Pr. 423, Pr. 425) ................................................................ 137
4.6.7
Trouble shooting for when position control is not exercised normally ...................................................... 139
4.7
4.7.1
4.7.2
Excitation ratio (Pr. 854) .......................................................................................................................... 141
4.8
4.8.1
Manual torque boost (Pr. 0, Pr. 46, Pr. 112) ............................................................................................. 142
4.8.2
Pr. 451, Pr. 453, Pr. 454, Pr. 569, Pr. 800) .............................................................................................. 144
4.8.3
Slip compensation (Pr. 245 to Pr. 247) ..................................................................................................... 147
4.8.4
Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 114, Pr. 115,
Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157, Pr. 858, Pr. 868).................................................................... 148
4.9
4.9.1
Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18) .................................................................................. 153
4.9.2
Avoid mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36)................................................. 154
4.10.1 Base frequency, voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)............................................................................ 155
4.10.2 Load pattern selection (Pr. 14) ................................................................................................................. 157
4.10.4 Adjustable 5 points V/F (Pr. 71, Pr. 100 to Pr. 109) .................................................................................. 160
4.11.2 Jog operation (Pr. 15, Pr. 16).................................................................................................................... 163
4.11.3 Input compensation of multi-speed and remote setting (Pr. 28) ............................................................... 165
4.11.4 Remote setting function (Pr. 59) ............................................................................................................... 165
Pr. 44, Pr. 45, Pr. 110, Pr. 111)................................................................................................................. 168
4.12.2 Starting frequency and start-time hold function (Pr. 13, Pr. 571) .............................................................. 170
4.12.3 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383,
84
Parameters according to purposes
87
95
117
128
140
142
153
155
161
168

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