Hitachi SJ100 - Manual (Page 87)

SJ100 Inverter
Conf
igur
ing
Dr
iv
e P
a
ra
m
e
ters
3–15
The following table shows the methods of torque control selection.
“A” Function
Run
Mode
Edit
Defaults
Func.
Code
Name /
SRW Display
Description
–FE
(CE)
–FU
(UL)
–FR
(Jpn)
Units
A_41 Torque boost method
selection
Two options:
00... Manual torque boost
01... Automatic torque boost
✘
00 00 00 —
V-Boost Mode 0
A241 Torque boost method
selection, 2nd motor
Two options (for 2nd motor):
00... Manual torque boost
01... Automatic torque boost
✘
00 00 00 —
2V-Boost Mode 0
A_42 Manual torque boost
value
Can boost starting torque
between 0 and 99% above
normal V/f curve, from 0 to
1/2 base frequency
✔
11 11 11 —
V-Boost code 11
A242 Manual torque boost
value, 2nd motor
Can boost starting torque
between 0 and 99% above
normal V/f curve, from 0 to
1/2 base frequency
✔
11 11 11 —
2V-Boost code 11
A_43 Manual torque boost
frequency adjustment
Sets the frequency of the V/f
breakpoint A in graph (top of
previous page) for torque boost
✔
10.0 10.0 10.0 %
V-Boost F 10.0%
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
✔
10.0 10.0 10.0 %
2V-Boost F 10.0%
A_44 V/f characteristic curve
selection
Two available V/f curves;
three select codes:
00... Constant torque
01... Reduced torque
02... Sensorless vector control
✘
02 02 02 —
CONTROL SLV
A244 V/f characteristic curve
selection, 2nd motor
Two available V/f curves;
three select codes:
00... Constant torque
01... Reduced torque
02... Sensorless vector control
✘
02 02 02 —
2CONTROL SLV
A_45 V/f gain setting Sets voltage gain of the
inverter from 50 to 100%
✔
100 100 100 %
V-Gain 100%