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58
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Adjustments
How to Use "Normal Auto Gain Tuning
① Select the Normal Auto Gain Tuning
Mode.
Press SET button once and press
MODE switching button three times.
See page 48.
② Press UP orDOWN button to select the stiffness of the machine.
Motor speed dis-
play (initial display)
Mechanical stiff-
ness value
Mechanical stiffness (higher)
Press UP button to increase the value.
Press DOWN button to decrease the
value.
Mechanical stiffness (lower)
③ Press SET button to turn to the
monitor/execution mode.
④ Operation at the monitor/execution
mode:
Keep pressing UP button until
appears.
・CN I/F pin 29: Servo-ON
・Pr10 (Notch Frequency) = 1500
Keep pressing UP button
(approx. three seconds).
The horizontal bar increases as
shown in the right figure.
The motor starts to run.
For approx. 15 seconds, the motor re-
peats the cycle 5 times(at most), which
consists of two CCW revolutions
and two CW revolutions. Note that this
process doesn't necessarily repeat 5
cycles and this is not abnormal.
⑤ Download the obtained gain values
to EEPROM. Note that if you turn off
the power before downloading, the
gain values will be lost.
Driving method
Ball screw + direct coupling
Ball screw + timing belt
Timing belt
Gear, or rack & pinion
Others: lower stiffness
Mechanical stiffness
4 〜 8
3 〜 6
2 〜 5
1 〜 3
1 〜 3
SET
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