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6-4 Backlash Compensation
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Applied Functions
6-4 Backlash Compensation
The function compensates backlashes at position controls and full closing controls.
Parameters Requiring Settings
Backlash Compensation Selection (Pn704)
It is used to select whether to enable or disable the backlash compensation during position
control, and to set the compensation direction.
Setting Method
The backlash compensation works in different directions depending on the setting in the
Backlash Compensation Selection (Pn704) and on whether the set value for the Backlash
Compensation Amount (Pn705) is a positive or negative figure.
Parameter
number
Parameter name Description Reference page
Pn704
Backlash
Compensation
Selection
Select whether to enable or disable the backlash
compensation during position control.
Set the compensation direction.
P.8-60
Pn705
Backlash
Compensation Amount
Set the compensation amount during position control. P.8-60
Pn706
Backlash
Compensation Time
Constant
Set the backlash compensation time constant during
position control.
P.8-60
Set value Description
0 Disable the backlash compensation.
1 Compensate the backlash at the first forward operation after a Servo-ON.
2 Compensate the backlash at the first reverse operation after a Servo-ON.
Pn704 Pn705 is a positive value Pn705 is a negative value
1
Compensate in positive direction when it is in
forward operation.
Compensate in negative direction when it is
in forward operation.
2
Compensate in positive direction when it is
in reverse operation.
Compensate in negative directions when it is
in reverse operation.
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