
14 Host Debugging Instruction
267 SD780 Series Servo Technical Manual
d). Click on [Adjust Start] to tune the tuning value (generally increase). During the process of
increasing the tuning value, the servo will vibrate. At this time, vibration detection will be performed
automatically. If not, operation can be performed manually, and the tuning value can be set in
combination with the figure captured by the digital oscilloscope, or 80% of the tuning value of the
motor can be selected as the tuning value. Specific or combined with the actual site requirements
for adjustment settings.
e). In the tuning process, when the servo motor is vibrating, it will detect the resonance frequency
and the intermediate frequency suppression frequency. After the tuning is completed, click on
[Next] to enter the auto tuning completion interface and click on [Finish] to complete the single
parameter adjustment operation.
14.5.7 Offset Adjustment
Offset adjustment is divided into two parts:
1: Speed/torque command offset (automatic/manual) adjustment.
2: Motor/current detection signal offset (automatic/manual) adjustment.
Step:
a). Click
on the main interface of the host computer to enter the offset wizard interface. Click
on [Next] to enter the offset adjustment function selection interface, select the function you need to
adjust, and click on [Next] to enter the adjustment interface.
b). Set the adjustment method, click on [Next], click on [Finish], the offset adjustment screen
closes, and the adjustment process ends.
14.5.8 Back to Origin
The origin search is a function that determines the position of the origin pulse (Z phase) of the
incremental encoder and stops at this position.