Yaskawa DR2 Sigma Servo - Manual (Page 206)

4.2 Using the Functions
193
• If the Machine Resonates
At servo ON when the
JOG
SVON
key is pressed or when the motor is operated by press-
ing the or key, machine resonance indicates an inappropriate machine rigid-
ity setting.
Follow the procedure below to correct the machine rigidity setting, and run autotuning
once more.
(1) Press the DSPL
SET
key to cancel autotuning.
(2) Press the DSPL
SET
key once more to enter the machine rigidity setting mode. Re-
duce the setting by one.
• If Autotuning Does Not End
Failure of autotuning to end , is caused by an inappropriate machine rigid-
ity setting. Follow the procedure below to correct the machine rigidity setting, and run
autotuning once more.
(1) Press the DSPL
SET
key to cancel autotuning.
(2) Press the DSPL
SET
key once more to enter the machine rigidity setting mode.
Increase the setting by one.
Autotuning may not end for machines with large play or extremely low rigidity.
In these cases, use conventional manual adjustment.
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