Mitsubishi MR-JE-200A - Dog Type Last Z-Phase Reference Home Position Return

5. HOW TO USE THE PROGRAM
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5.4.10 Dog type last Z-phase reference home position return
After the front end of the proximity dog is detected, the position is shifted away from the proximity dog at the
creep speed in the reverse direction and then specified by the first Z-phase signal. The position of the first Z-
phase signal is set as the home position.
(1) Device/parameter
Set input devices and parameters as follows:
Item Device/parameter to be used Setting
Automatic operation mode of
the program method
MD0 (Operation mode selection 1) Switch on MD0.
Dog type last Z-phase
reference home position
return
[Pr. PT04]
_ _ _ 8: Select the dog type (rear end detection/Z-
phase reference).
Home position return
direction
[Pr. PT04]
Refer to section 5.4.1 (2) to select the home
position return direction.
Dog input polarity [Pr. PT29]
Refer to section 5.4.1 (2) to select the dog input
polarity.
Home position return speed [Pr. PT05]
Set the rotation speed specified until a dog is
detected.
Creep speed [Pr. PT06]
Set the rotation speed specified after a dog is
detected.
Home position shift distance [Pr. PT07]
Set this to shift the home position, which is
specified by the Z-phase signal.
Acceleration time constant of
home position return
[Pr. PC30]
The acceleration time constant set for [Pr. PC30]
is used.
Deceleration time constant of
home position return
[Pr. PC31]
The deceleration time constant set for [Pr. PC31]
is used.
Home position return position
data
[Pr. PT08]
Set the current position when the home position
return completed.
Program
DI0 (Program No. selection 1) to
DI3 (Program No. selection 4)
Select a program containing a "ZRT" command,
which performs the home position return.