Yaskawa Sigma Mini - Manual (Page 144)

USING THE DIGITAL OPERATOR
3.2.3 Autotuning cont.
— 3-20 —
• If the Machine Resonates
At servo ON when the
JOG
SVON
key is pressed or when the motor is operated by pressing
the or key, machine resonance indicates an inappropriate machine rigidity
setting.
Use the following procedure 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 ri-
gidity setting. Use the following procedure 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. In-
crease the setting by one.
Autotuning may not end for machines with large play or extremely low rigidity.
In these cases, use conventional manual adjustment.
Input Signals
• Set the /P-CON signal to OFF during autotuning.
• If the mode switch is used, take one of the steps below before running autotuning. Re-
fer to 2.6.6 Mode Switch for details.
• Cancel the mode switch.
• Set the mode switch operating level to a high level.
• If using the /S-ON signal to set the servo ON status, wait until is displayed
before turning ON the /S-ON signal.
3