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13. POSITIONING MODE
13.6.5 Data set type home position return
Data set type home position return is used when it is desired to determine any position as a home position.
JOG operation can be used for movement.
(1) Devices and parameters
Set the input devices and parameters as follows.
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.
Data set type home position
return
Parameter No. PE03
2: Data set type home position return is selected.
Home position return position
data
Parameter No. PE08
Set the current position at home position return
completion.
(2) Timing chart
ON
OFF
Automatic/manual
selection (MD0)
ON
OFF
6ms or more
Forward rotation start
(ST1)
Reverse rotation start
(ST2)
ON
OFF
(Note 2)
DI0, DI1, and DI2
ON
OFF
Travel completion
(MEND)
ON
OFF
Rough match
(CPO)
ON
OFF
Home position return
completion (ZP)
Movement to the home position
Execution of data set type home
position return
Servo motor
speed
3ms or less
Home position
address parameter
No. PE08
0r/min
(Note 1)
6ms or
more
Forward
rotation
Note 1. External input signal detection delays by the input filter setting time of parameter No. PD19. Additionally, make up a
sequence that changes DI0, DI1 and DI2 ahead of time by considering delays in output signal sequence from the PC or
PLC...etc and variations of a signal change due to hardware.
2. 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.
The set value in parameter No. PE08 (home position return position data) is applied as position address at
the time of the home position return being completed.