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13. POSITIONING MODE
13.6.10 Dog cradle type home position return
The position where the first Z-phase signal is issued after detection of the proximity dog front end can be
defined as a home position.
(1) Devices and parameters
Set the input devices and parameters as indicated below.
Item
Device/Parameter used
Description
Manual home position return
mode selection
Automatic/manual selection (MD0)
Turn MD0 ON.
Point table No./Program No.
selection 1 to 3 (DI0 to DI2)
Point table method: Select the home position return
mode by turning OFF DI0, DI1 and
DI2.
Program method: Select a program that has the home
position return "ZRT" command.
Dog cradle type home position
return
Parameter No. PE03
7: Select the dog cradle type.
Home position return direction
Parameter No. PE03
Refer to section 13.6.1 (2) and select the home position
return direction.
Dog input polarity
Parameter No. PE03
Refer to section 13.6.1 (2) and select the dog input
polarity.
Home position return speed
Parameter No. PE04
Set the speed till the dog is detected.
Creep speed
Parameter No. PE05
Set the speed after the dog is detected.
Home position shift distance
Parameter No. PE06
Set when the home position is moved from the Z-phase
signal position.
Home position return
acceleration/deceleration time
constants
Parameter No. PE07
Set the acceleration/deceleration time constants during
a home position return.
Home position return position
data
Parameter No. PE08
Set the current position at home position return
completion.
