Toshiba VF-AS1 ユーザーズマニュアル
!
E6581301!
iii
6.22
Setting motor constants ·······························································································································
F-38
6.23
Increasing the motor output torque further in low speed range ····································································
F-42
6.24
Torque control ··············································································································································
F-43
6.24.1
Torque command ··································································································································
F-43
6.24.2
Speed limits in torque control mode ······································································································
F-43
6.24.3
Selection of tension torque bias input and load sharing gain input ·······················································
F-44
6.25
Torque limit ···················································································································································
F-45
6.25.1
Torque limit switching ····························································································································
F-45
6.25.2
Torque limit mode selection at acceleration/deceleration ······································································
F-47
6.26
Stall prevention function ·······························································································································
F-49
6.26.1
Power running stall continuous trip detection time ················································································
F-49
6.26.2
Regenerative braking stall prevention mode selection ··········································································
F-49
6.26.3
Stall prevention control switching ··········································································································
F-49
6.27
Current and speed control adjustment ·········································································································
F-50
6.27.1
Current and speed control gain ·············································································································
F-50
6.27.2
Prevention of motor current oscillation at light load ··············································································
F-50
6.27.3
Max output voltage modulation rate ······································································································
F-50
6.28
Fine adjustment of frequency setting signal ·································································································
F-51
6.29
Operating a synchronous motor ···················································································································
F-51
6.30
Acceleration/deceleration 2 ··························································································································
F-52
6.30.1
Setting acceleration/deceleration patterns and switching acceleration/deceleration
patterns 1, 2, 3 and 4 ····························································································································
F-52
6.31
Pattern operation ·········································································································································
F-55
6.32
Preset speed mode ······································································································································
F-57
6.33
Protection functions······································································································································
F-58
6.33.1
Setting of stall prevention level ·············································································································
F-58
6.33.2
Inverter trip record retention ··················································································································
F-58
6.33.3
Emergency stop ····································································································································
F-59
6.33.4
Output phase failure detection ··············································································································
F-60
6.33.5
OL reduction starting frequency ············································································································
F-61
6.33.6
Motor 150%-overload time limit ············································································································
F-61
6.33.7
Input phase failure detections ···············································································································
F-61
6.33.8
Control mode for low current ·················································································································
F-61
6.33.9
Detection of output short circuit ············································································································
F-62
6.33.10
Overtorque trip ······································································································································
F-62
6.33.11
Cooling fan control selection ·················································································································
F-63
6.33.12
Cumulative operation time alarm setting ·······························································································
F-64
6.33.13
Abnormal speed detection ····················································································································
F-64
6.33.14
Overvoltage limit operation ···················································································································
F-65
6.33.15
Undervoltage trip···································································································································
F-65
6.33.16
Regenerative power ride-through control level ····························································································
F-65
6.33.17
Braking answer waiting time ·················································································································
F-65
6.33.18
VI/II analog input wire breakage detection level ····················································································
F-66
6.33.19
Guide to time of replacement ················································································································
F-66
6.33.20
Rush current suppression relay activation time ····················································································
F-66
6.33.21
Motor thermal protection ·······················································································································
F-67
6.33.22
Braking resistance overload curve ········································································································
F-67
6.33.23
Selection of a restart condition for the motor stopped with a mechanical brake ···································
F-67
6.33.24
Protection against a failure of the control power backup device (optional CPS002Z) ···························
F-68
6.33.25
Ground fault detection selection ···········································································································
F-68
6.33.26
Disconnection detection of remote keypad ···························································································
F-69
6.34
Override ·······················································································································································
F-69
6.35
Adjustment parameters ································································································································
F-71
6.35.1
Pulse train output for meters ·················································································································
F-71
6.35.2
Setting of optional meter outputs ··········································································································
F-72
6.35.3
Calibration of analog outputs ················································································································
F-72
6.36
Operation panel parameter ··························································································································
F-73
6.36.1
Prohibition of key operations and parameter settings ···········································································
F-73