5. HOW TO USE THE PROGRAM
5.4.9 Dog cradle type home position return
You can use the position, which is specified by the first Z-phase signal after the front end of a proximity dog
is detected, as the home position.
(1) Device/parameter
Set input devices and parameters as shown below.
Item
Automatic operation mode of
the program method
Dog cradle type home
position return
Home position return
direction
Dog input polarity
Home position return speed
Creep speed
Home position shift distance
Home position return
acceleration time constant
Home position return
deceleration time constant
Home position return position
data
Program
Used device/parameter
MD0 (Operation mode selection 1)
[Pr. PT04]
[Pr. PT04]
[Pr. PT29]
[Pr. PT05]
[Pr. PT06]
[Pr. PT07]
[Pr. PC30]
[Pr. PC31]
[Pr. PT08]
DI0 (Program No. selection 1) to
DI7 (Program No. selection 8)
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Setting
Switch on MD0.
_ _ _ 7: Select the dog cradle type.
Refer to (2) of section 5.4.1 to select the home
position return direction.
Refer to (2) of section 5.4.1 to select the dog input
polarity.
Set the rotation speed specified until a dog is
detected.
Set the rotation speed specified after a dog is
detected.
Set this item to shift the home position, which is
specified by the Z-phase signal.
The acceleration time constant set for [Pr. PC30]
is used.
The deceleration time constant set for [Pr. PC31]
is used.
Set the current position at the home position return
completion.
Select a program containing a "ZRT" command,
which performs the home position return.