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Mitsubishi Electric MELSEC Q Series User Manual page 184

Positioning module
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(2) Precautions during operation
(a)
Setting for the movement amount after near-point dog ON
Pr.13
If "
Setting for the movement amount after near-point dog ON" is smaller than the deceleration distance
Pr.13
from "
Pr.11
dog ON Outside the setting range" (error code: 22) occurs, and the OPR does not start.
In addition, if the position after the move according to "
dog ON" is close to Zero signal, the Zero signal may be misread, resulting in deviation of OP by one
servomotor rotation. Set "
after the move becomes closer to the center of Zero signals.
(b) OPR start while near-point dog is on
The operation is as follows.
Near-point
OFF
dog
Zero signal
(c) Outside the stroke limit range
If the workpiece moved outside the stroke limit range, the error "Outside the stroke limit range" (error code:
100) occurs; although, the operation continues. In this case, the OPR is completed normally if the near-point
dog is placed on the OPR direction.
182
OPR speed" to "
Creep speed", the error "Setting for the movement amount after near-point
Pr.12
Setting for the movement amount after near-point dog ON" so that the position
Pr.13
Pr.13 Setting for the movement
4
3
2
ON
Setting for the movement amount after near-point
Pr.13
1
amount after near-point
2
dog ON
5
3
1
4
5
OPR starts.
The workpiece moves in the direction that is
opposite from the specified OPR direction at
"
OPR speed".
Pr.11
As the near-point dog turns off, deceleration
starts.
After an operation stop, OPR starts in the
specified OPR direction.
As the near-point dog turns on, the
workpiece moves the amount set in
"
Setting for the movement amount
Pr.13
after near-point dog ON". Then, the OPR is
completed at the first Zero signal after the
move.

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