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4. OPERATION
4.4.4 Data setting type home position return
Data setting type home position return is used when it is desired to determine any position as a home
position. JOG operation, manual pulse generator operation or like can be used for movement.
(1) Signals, parameters
Set the input signals and parameters as follows:
Item Device/Parameter used Description
Manual home position return mode
selection
Automatic/manual selection
(MD0)
MD0 is switched on.
Data setting type home position return Parameter No.8
2 : Data setting type home position
return is selected.
Home position return position data Parameter No.42
Used to set the current position on completion
of home position return.
Program
Select the program including the
"ZRT" command that executes a
home position return.
(2) Timing chart
The following shows the timing chart that starts after selection of the program including the "ZRT"
command.
Movement complete (PED)
Home position
return completion
(ZP)
Forward rotation
start (ST1)
ON
OFF
ON
OFF
ON
OFF
3ms or less
Home position address
Parameter No. 42
ON
OFF
Automatic/manual
selection
(MD0)
5ms or more
Servo motor speed
Forward
rotation
0 r/min
The address on completion of home position return is the value automatically set in parameter No.42
(home position return position data).