5-166
How to use:
After the wiring is completed, give the position command without activating compensation
and observe Un-52 value; this value shows the synchronous error of both machines.
Then activate gantry synchronous compensation function, set Pn350=1 (both drivers) and
adjust Pn351 gain value by observing Un-52 value. The larger the value is, the smaller the
synchronous error is. However, an excessive value will result in machine vibration.
Pn352 can determine when the two-axle synchronous error is greater than a pulse number, the
system will jump to Alarm protection. Alarm will not pop up regardless how big this value is
when the setting is 0.
When gantry synchronization is used correctly, please adjust two-axle parameters to same
values first and activate the compensation after confirming characteristics of both axles are
identical. If the user wants a more obvious difference before and after the compensation is
activated, it is possible to adjust parameters to show significant differences between
characteristics of both axles and then activate compensation to observe differences.
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