Mitsubishi Electronics MR-J2S- CL specifications Data setting type home position return, Operation

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	Automatic/manual selection	MD0 is switched on.
selection	(MD0)
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.
	Select the program including the
Program	"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.

Automatic/manual selection ON

(MD0) OFF Movement complete (PED) ONOFF

Home position ON return completion(ZP) OFF

Forward Servo motor speed rotation 0 r/min

Home position address

Parameter No. 42

3ms or less

Forward rotation	ON	5ms or more
start (ST1)	OFF

The address on completion of home position return is the value automatically set in parameter No.42 (home position return position data).

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