Hitachi L100 - Manual (Page 70)

“A” Group: Standard Functions
Conf
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Dr
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3–14
The following table shows the methods of torque control selection.
“A” Function
Run-
time
Edit
Defaults DOP,DRW,DOP+
Func.
Code
Name Description
EU/
US
Units
Func.
Code
Name
A41 Torque boost method
selection Two options:
00 ...Manual torque boost
01 ...Automatic torque boost ✘ 00 — F-50 V-BOOST
MODE
A42 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 — F-50 V-BOOST
CODE
A43 Manual torque boost
frequency adjustment Sets the frequency of the V/F
breakpoint A in graph (top of
previous page) for torque boost ✔ 10 % F-50 V-BOOST
F
A44 V/F characteristic
curve selection Two available V/F curves;
three select codes:
00 ...Constant torque
01 ...Reduced torque ✘ 0 — F-04 Control
A45 V/F gain setting Sets voltage gain of the inverter
from 20 to 100% ✔ 100 % Mon. V-GAIN
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