Hitachi SJ300 Series Instruction Manual page 85

"A" Function
Func.
Name
Code
A042 Manual torque boost
value
A242 Manual torque boost
value, 2nd motor
A342 Manual torque boost
value, 3rd motor
A043 Manual torque boost
frequency adjustment
A243 Manual torque boost
frequency adjustment,
2nd motor
A343 Manual torque boost
frequency adjustment,
3rd motor
A044 V/f characteristic curve
selection, 1st motor
A244 V/f characteristic curve
selection, 2nd motor
A344 V/f characteristic curve
selection, 3rd motor
A045 V/f gain setting
Description
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
Six torque control modes:
00 V/f constant torque
01 V/f variable torque
02 V/f free-setting curve
03 Sensorless vector SLV
04 0Hz domain SLV
05 Vector control with
encoder feedback
Six torque control modes:
00 V/f constant torque
01 V/f variable torque
02 V/f free-setting curve
03 Sensorless vector SLV
04 0Hz domain SLV
05 Vector control with
encoder feedback
Six torque control modes:
00 V/f constant torque
01 V/f variable torque
02 V/f free-setting curve
03 Sensorless vector SLV
04 0Hz domain SLV
05 Vector control with
encoder feedback
Sets voltage gain of the
inverter from 20 to 100%
Defaults
Run
Mode
Edit
–FE –FU –FR
Lo Hi
(EU) (US) (JP)
✔ ✔
1.0 1.0 1.0
✔ ✔
1.0 1.0 1.0
✔ ✔
1.0 1.0 1.0
✔ ✔
5.0 5.0 5.0
✔ ✔
5.0 5.0 5.0
✔ ✔
5.0 5.0 5.0
✘ ✘
00 00 00
✘ ✘
00 00 00
✘ ✘
00 00 00
✔ ✔
100. 100. 100.
3–17
SJ300 Inverter
SRW Display
Units
— >A042 V-Boost
Code 01.0%
— >A242 2V-Boost
Code 01.0%
— >A342 3V-Boost
Code 01.0%
% >A043 V-Boost
F 05.0%
% >A243 2V-Boost
F 05.0%
% >A343 3V-Boost
F 05.0%
— >A044 Control
1st VC
— >A244 2Control
2nd VC
— >A344 3Control
3rd VC
% >A045 V-Gain
Gain 100%