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SJ300 Inverter
Configuring Drive
Parameters
3–17
A042 Manual torque boost
value
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
✔ ✔ 1.0 1.0 1.0 —
>A042 V-Boost
Code 01.0%
A242 Manual torque boost
value, 2nd motor
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
✔ ✔ 1.0 1.0 1.0 —
>A242 2V-Boost
Code 01.0%
A342 Manual torque boost
value, 3rd motor
Can boost starting torque
between 0 and 20% above
normal V/f curve, from 0 to
1/2 base frequency
✔ ✔ 1.0 1.0 1.0 —
>A342 3V-Boost
Code 01.0%
A043 Manual torque boost
frequency adjustment
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
✔ ✔ 5.0 5.0 5.0 %
>A043 V-Boost
F 05.0%
A243 Manual torque boost
frequency adjustment,
2nd motor
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
✔ ✔ 5.0 5.0 5.0 %
>A243 2V-Boost
F 05.0%
A343 Manual torque boost
frequency adjustment,
3rd motor
Sets the frequency of the
V/f breakpoint A in graph
(top of previous page) for
torque boost
✔ ✔ 5.0 5.0 5.0 %
>A343 3V-Boost
F 05.0%
A044 V/f characteristic curve
selection, 1st motor
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
✘ ✘ 00 00 00 —
>A044 Control
1st VC
A244 V/f characteristic curve
selection, 2nd motor
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
✘ ✘ 00 00 00 —
>A244 2Control
2nd VC
A344 V/f characteristic curve
selection, 3rd motor
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
✘ ✘ 00 00 00 —
>A344 3Control
3rd VC
A045 V/f gain setting Sets voltage gain of the
inverter from 20 to 100%
✔ ✔ 100.100.100. %
>A045 V-Gain
Gain 100%
“A” Function
Run
Mode
Edit
Lo Hi
Defaults
Units
SRW Display
Func.
Code
Name Description
–FE
(CE)
–FU
(UL)
–FR
(Jpn)