USING THE DIGITAL OPERATOR
4.2.3 Autotuningcont.
194
11) Release the
UP
and
DOWN
keys to revert to
the
display.
12) Press
DATA
to return to the setting mode
display. This ends autotuning operation.
• Refer to the following sub-section 3) for the
precautions relating to autotuning.
3) Precautions Relating to Autotuning
a) Speed Setting During Autotuning
The motor speed during autotuning is set by user constant Cn-10. Set to 500 r/min.,
which is the factory setting. Autotuning may be unsuccessful if this value is set too low.
The motor runs intermittently while the
or (or
UP
or
DOWN
) key is held down.
The motor does not rotate continuously.
b) Machine Rigidity Selection
Select the machine rigidity as described below. If the actual rigidity is unknown, select
medium rigidity.
High Rigidity
Medium Rigidity
Low Rigidity
• If the Machine Resonates
At servo ON when the
JOG
SVON
(or
DATA
) key is pressed or when the motor is operated by
pressing the
or (
DOWN
or
UP
) key, machine resonance indicates an inap-
propriate machine rigidity setting.
Follow the procedure below to correct the machine rigidity setting, and run autotuning
once more.
(1) Press the
DSPL
SET
(or
MODE/SET
) key to cancel autotuning.
(2) Press the
DSPL
SET
(or
MODE/SET
) key once more to enter the machine rigidity setting
mode. Reduce the setting by one.
4
Setting Mode Display
DATA
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