5. HOW TO USE THE PROGRAM
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5.4.9 Dog cradle type home position return
A position, which is specified by the first Z-phase signal after the front end of the proximity dog is detected, 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 cradle type home
position return
[Pr. PT04] _ _ _ 7: Select the dog cradle type.
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.
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