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165
Orientation (Pr. 350 to Pr. 362, Pr. 393 to Pr. 399)
PARAMETERS
3
z Pr. 399 "orientation deceleration ratio" (factory setting: 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.
z Pr. 351 "orientation switchover speed" (factory setting: 200)
Set the speed when switching beween the speed control mode and the position control mode under orientation
operation. Decreasing the set speed enables stable orientation stop. Note that the orientation time will increase.
Phenomenon
Adjustment Procedure
Pr. 396 Pr. 397 Pr. 362 Pr. 399
Rocking occurs during
stopping
3) 3) 2) 1)
The orientation time is long
2) 1)
Hunting occurs when
stopping
2) 2) 1)
The servo rigidity during
stopping is low
1) 1) 2)
CAUTION
If orientation stop is not possible and the excessive position error alarm occurs, or if the motor does
forward/reverse reciprocation operation , the parameter setting value for the orientation detector
installation direction may be incorrect. Review Pr. 393
"orientation selection" (Refer to page 162.) and Pr.
852
"encoder rotation direction" (Refer to the Instruction Manual (basic).).
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.
REMARKS
1. :Increase the parameter setting value.
:Do not change the parameter setting value.
:Decrease the parameter setting value.
2. The numbers 1) 2) and 3) in the table show the
order of priority for changing the parameters setting
value.
Speed[r/min]
OFF
ON
Encoder Z phase
pulse
Pr. 351 "orientation switchover speed"
Orientation command completion
Decelerates according to the deceleration
ratio set in Pr. 399
Time[t]
Orientation start
(X22)
Orientation complete
(ORA)