Mitsubishi Electric MELSERVO MR-J4-03A6-RJ, Instruction Manual

Page: 181 / 610

4. HOW TO USE THE POINT TABLE
4 - 54
4.4.5 Stopper type home position return
For the stopper type home position return, by using the JOG operation, manual pulse generator operation, or
others, a workpiece is pressed against a mechanical stopper, and the position where it is stopped is used as
the home position.
(1) Device/parameter
Set input devices and parameters as follows.
Item Used device/parameter Setting
Home position return mode
selection
MD0 (Operation mode selection 1) Switch on MD0.
DI0 (Point table No. selection 1) to
DI7 (Point table No. selection 8)
Switch off DI0 to DI7.
Stopper type home position
return
[Pr. PT04] _ _ _ 3: Select the stopper type.
Home position return
direction
[Pr. PT04]
Refer to section 4.4.1 (2) to select the home
position return direction.
Home position return speed [Pr. PT05]
Set the rotation speed until the workpiece is
pressed against the mechanical stopper.
Stopper time [Pr. PT10]
Set the time from when the home position
data is obtained after the workpiece is
pressed against the mechanical stopper until
when ZP (home position return completion) is
output.
Stopper type home position
return torque limit value
[Pr. PT11]
Set the servo motor torque limit value at the
execution of the stopper type home position
return.
Home position return
acceleration time constant
Point table No. 1
The acceleration/deceleration time constant
of point table No. 1 is used.
Home position return position
data
[Pr. PT08]
Set the current position at the home position
return completion.
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