4 advanced autotuning by reference (fn202), 1 advanced autotuning by reference, Caution – Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors MECHATROLINK-III Communications Reference User Manual

Page 176

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5 Adjustments

5.4.1 Advanced Autotuning by Reference

5-26

5.4 Advanced Autotuning by Reference (Fn202)

Adjustments with advanced autotuning by reference are described below.

5.4.1 Advanced Autotuning by Reference

Advanced autotuning by reference is used to automatically achieve optimum tuning of the SERVOPACK in

response to the user reference inputs from the host controller.

Advanced autotuning by reference is performed generally to fine-tune the SERVOPACK after advanced auto-

tuning of the SERVOPACK has been performed.

If the mass ratio is correctly set to Pn103, advanced autotuning by reference can be performed without per-

forming advanced autotuning.

Advanced autotuning by reference performs the following adjustments.

• Gains (e.g., position loop gain and speed loop gain)
• Filters (force reference filter and notch filter)
• Friction compensation
• Anti-resonance control
• Vibration suppression

Refer to 5.4.3 Related Parameters for parameters used for adjustments.

• Advanced autotuning by reference starts adjustments based on the set speed loop

gain (Pn100). Therefore, precise adjustments cannot be made if there is vibration
when starting adjustments. In this case, make adjustments after lowering the speed
loop gain (Pn100) until vibration is eliminated.

CAUTION

• Because advanced autotuning by reference adjusts the SERVOPACK during automatic operation, vibra-

tion or overshooting may occur. To ensure safety, perform advanced autotuning by reference in a state

where the SERVOPACK can come to an emergency stop at any time.

SERVOPACK

Movement
speed

Host controller

Reference

Response

Travel
distance

Reference

65

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