Toshiba VF-AS1 24.1, 24.2, 24.3, 25.1, 25.2, 26.1, 26.2, 26.3, 27.1, 27.2, 27.3, 33.2, 33.3, 33.4

!			E6581301!
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

6.30.1Setting 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

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