Hitachi WJ200-001L, Instruction Manual, Page: 110 / 680

3

25
load is given to the motor automatic torque boost, step by step
Motor speed increases when a load is
given to the motor Decrease the slip compensation gain for
automatic torque boost, step by step 
/

The inverter trips due to overcurrent when
a load is given to the motor Decrease the voltage setting for manual
torque boost, step by step

/

Decrease the voltage compensation gain for
automatic torque boost, step by step

/

Decrease the slip compensation gain for
automatic torque boost, step by step 
/

“A” Function Run
Mode
Edit
Defaults
Func.
Code
Name Description Initial data Units

Torque boost select Two options:


Manual torque boost

 Automatic torque boost
 00



Torque boost select, 2 nd motor
 00



Manual torque boost value Can boost starting torque
between 0 and 20% above
normal V/f curve,
range is 0.0 to 20.0%

1.0 %

Manual torque boost value,
2
nd
motor
 1.0

%

Manual torque boost
frequency Sets the frequency of the V/f
breakpoint A in graph (top of
previous page) for torque
boost,
range is 0.0 to 50.0%

5.0 %

Manual torque boost
frequency,
2
nd
motor

5.0 %

V/f characteristic curve Four available V/f curves;

 Constant torque


Reduced torque (1.7)

 Free V/F

 Sensorless vector (SLV)

00



V/f characteristic curve,
2
nd
motor

00



V/f gain Sets voltage gain of the
inverter, range is 20. to 100.%

100. %

V/f gain, 2
nd
motor

100. %

Voltage compensation gain
for automatic torque boost Sets voltage compensation
gain under automatic torque
boost, range is 0. to 255.

100. 

Voltage compensation gain
for automatic torque boost,
2
nd
motor

100. 

Slip compensation gain for
automatic torque boost Sets slip compensation gain
under automatic torque boost,
range is 0. to 255.

100. 

Slip compensation gain for
automatic torque boost,
2
nd
motor

100. 