Hitachi WL200 Series, Basic Manual

Page: 55 / 94

53
“A” Function
A B
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
 
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.

 DC braking enable Three options; select codes:


Disable


Enable during stop


Frequency detection
 
00
 
 DC braking frequency The frequency at which DC
braking begins,
Range is from the start
frequency (

) to 60Hz
 
0.5 Hz

DC braking wait time The delay from the end of
controlled deceleration to start
of DC braking (motor free
runs until DC braking begins),
range is 0.0 to 5.0 sec.
 
0.0 s

DC braking force for
deceleration Level of DC braking force,
settable from 0 to 100%


50. %