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7 AUXILIARY AND APPLIED FUNCTIONS
(2) Backlash compensation processing
Details of backlash compensation processing are shown below.
Table 7.2 Details of backlash compensation processing
Condition Processing
First start after power on
• If travel direction is equal to home position return direction, the
backlash compensation is not executed.
• If travel direction is not equal to home position return direction, the
backlash compensation is executed.
JOG operation start
• If travel direction is changed at the JOG operation start, the
backlash compensation is executed.
Positioning start
• If travel direction is changed, the backlash compensation is
executed.
Manual pulse generator
operation
• If travel direction is changed, the backlash compensation is
executed.
Home position return
completion
• The backlash compensation is executed after home position return
completion.
Absolute position system • Status stored at power off and applied to absolute position system.
POINTS
(1) The feed pulses of backlash compensation amount are added to the feed
current value.
(2) When the backlash compensation amount is changed, the home position
return is required.
When the home position return is not executed, the original backlash
compensation amount is not changed.