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14. ABSOLUTE POSITION DETECTION SYSTEM
(f) Data set type home position return
After jogging the machine to the position where the home position (e.g. 500) is to be set, choose the
home position return mode and set the home position with the home position return start switch (X27)
ON. After switching power on, rotate the servo motor more than 1 revolution before starting home
position return.
Do not turn ON the clear (CR) (Y35) for an operation other than home position return. Turning it on in
other circumstances will cause position shift.
Clear (CR) ON timer request
Clear (CR) 100ms ON timer
Setting data set type home position return request
Resetting data set type home position return
request
Switch clear (CR) on
Setting X-axis home position address 500
in data register
*1: Changing X-axis home position address
*1: Changing X-axis current value
*1: Writing positioning data No.9003
Starting positioning
Switching BUSY signal off to switch start
signal off.
Clear
(Note)
Home position
return start switch
Note. When the data of the home position address parameter is not written from GX Developer or the like before starting the data set
type home position return program, this sequence circuit is required.
When the home position address is written in the home position address parameter, change to the following circuit.