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Motor brake and stop operation
Pr. 399 Orientation deceleration ratio (initial value is 20)
• Make adjustments as shown below according to the orientation status.
(Refer to the Pr. 396 and Pr. 397 details also.)
Generally adjust Pr. 362 in the range from 5 to 20, and Pr. 399 from 5 to 50.
Phenomenon
Rocking occurs during
stopping
The orientation time is long
Hunting occurs when
stopping
The servo rigidity during
stopping is low
CAUTION
Or, if the motor does forward/reverse reciprocation operation
installation direction may be incorrect. Review Pr. 393 Orientation selection (refer to page 225) and Pr. 359 Encoder rotation direction
(refer to page 224).
Pr. 351 Orientation speed (initial value: 2Hz)
• Set the speed when switching between the speed control mode and the position control mode is performed under
orientation operation.
Decreasing the set speed enables stable orientation stop. Note that the orientation time will increase.
Frequency
Pr.351 Orientation speed
Orientation start
Orientation complete
Encoder Z phase pulse
REMARKS
When "19" is set in Pr. 52 DU/PU main display data selection , position pulse monitor is displayed instead of PU output voltage
monitor.
234
Adjustment Procedure
Pr. 396
Pr. 397
3)
3)
2)
2)
2)
2)
1)
1)
1)
2)
[Hz]
ON
OFF
(X22)
(ORA)
REMARKS
Pr. 362
Pr. 399
1.
1)
1)
2. The numbers 1) , 2) and 3) in the table show
, the parameter setting value for the orientation detector
Decelerate according to the deceleration ratio of Pr. 399
Orientation command completion
ON
:Increase the parameter setting value.
:Do not change the parameter setting
value.
:Decrease the parameter setting value.
the order of priority for changing the
parameters setting value.
Time[t]
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