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2 INPUT AXIS MODULE
2.1 Servo Input Axis
[Pr.304] Servo input axis rotation direction restriction
Set this parameter to restrict the input movement amount for the servo input axis to one direction.
This helps to avoid reverse operation caused by such as machine vibration when "Actual position value" or "Feedback value"
is used as input values.
The input movement amount in the reverse direction of the enabled direction accumulates as a rotation direction restricted
amount, and will be reflected when the input movement amount moves in the enabled direction again. Therefore, the servo
input axis position value does not deviate when the reverse operation is repeated.
The rotation direction restricted amount is set to 0 when the following operations are executed for the servo input axis.
• A servo amplifier is connected
• The home position return is executed
• The current value is changed
Setting value Details
0: Without rotation direction restriction Rotation direction restriction is not executed.
1: Enable only for current value increase direction Enable only the input movement amount in the increasing direction of the
servo input axis position value.
2: Enable only for current value decrease direction Enable only the input movement amount in the decreasing direction of the
servo input axis position value.
Speed before rotation
direction restriction
[Md.301] Servo input axis speed
(Speed after rotation
direction restriction)
t
[Md.303] Servo input axis
rotation direction
restriction amount
The input movement amount is accumulated as a rotation
direction restricted amount, and will be reflected when
the input movement amount moves in the enabled direction.
When "1: Enable only for current value increase direction" is set in "[Pr.304] Servo input axis rotation direction restriction"
t
t
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