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66
4.3 Test operation and gain adjustment of the PM sensorless vector con-
trol 69
4.3.1 Outline of the PM sensorless vector control ................................................................................. 69
4.3.2 PM motor test operation (Pr. 800) ................................................................................................ 69
4.3.3 Adjusting the speed control gain (Pr. 820, Pr. 821) ...................................................................... 71
4.4 Adjustment of the output torque (current) of the motor 74
4.4.1 Stall prevention operation (Pr. 22, Pr. 48, Pr. 156, Pr. 157) ......................................................... 74
4.4.2 Start torque adjustment (Pr. 785) ................................................................................................. 77
4.5 Limiting the rotation speed 78
4.5.1 Maximum/minimum setting (Pr. 1, Pr. 2) ...................................................................................... 78
4.5.2 Avoiding mechanical resonance points (speed jumps) (Pr. 31 to Pr. 36) ..................................... 79
4.6 Speed setting by external terminals 80
4.6.1 Operation by multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239).............. 80
4.6.2 Jog operation (Pr. 15, Pr. 16) ....................................................................................................... 82
4.6.3 Remote setting function (Pr. 59) ................................................................................................... 84
4.7 Setting of acceleration/deceleration time and acceleration/
deceleration pattern 87
4.7.1 Setting of the acceleration and deceleration time
(Pr. 7, Pr. 8, Pr. 20, Pr. 44, Pr. 45, Pr. 791, Pr. 792) ................................................................... 87
4.7.2 Minimum motor rotation speed (Pr. 13) ........................................................................................ 89
4.7.3 Acceleration/deceleration pattern (Pr. 29) .................................................................................... 90
4.8 Selection and protection of a motor 91
4.8.1 Motor overheat protection (Electronic thermal O/L relay, PTC thermistor protection)
(Pr. 9, Pr. 561) .............................................................................................................................. 91
4.9 Motor brake and stop operation 94
4.9.1 DC injection brake and pre-excitation (Pr. 10, Pr. 11, Pr. 795)..................................................... 94
4.9.2 Activating the electromagnetic brake (MBR signal, Pr.736) ......................................................... 96
4.9.3 Selection of a regenerative brake (Pr. 30, Pr. 70) ........................................................................ 97
4.9.4 Stop selection (Pr. 250) ................................................................................................................ 99
4.10 Function assignment of external terminal and control 100
4.10.1 Input terminal function selection (Pr. 178 to Pr. 182).................................................................. 100
4.10.2 Drive unit output shutoff signal (MRS signal, Pr. 17) .................................................................. 102
4.10.3 Condition selection of function validity by second function selection signal (RT signal)............. 103
4.10.4 Start signal operation selection (STF, STR, STOP signal, Pr. 250) ........................................... 104
4.10.5 Output terminal function selection (Pr. 190, Pr. 192).................................................................. 106
4.10.6 Detection of rotation speed (SU, FU signal, Pr. 41 to Pr. 43, Pr. 870) ....................................... 110
4.10.7 Output current detection function
(Y12 signal, Y13 signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167) .................................................... 111
4.10.8 Remote output selection (REM signal, Pr. 495, Pr. 496) ............................................................ 113
4.10.9 Pulse train output of output power (Y79 signal, Pr. 799) ............................................................ 114
Parameters according to purposes