Mitsubishi Electronics MR-J2S- A instruction manual Changing X-axis present position data

15.ABSOLUTE POSITION DETECTION SYSTEM

(d)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 set the home position with the home position return start (PBON). After switching power on, rotate the servo motor more than 1 revolution before starting home position return.

Do not turn ON the clear signal (Y5) for an operation other than home position return. Turning it ON in other circumstances will cause position shift.

Y1		X0	X14
						PLS	M70
ABS transfer Positioning			Home position
mode		completion	return start PB
M70							K10
							T210
Clear signal	ON
timer request
M71
						SET	M71
Date set type home position return request
T210
						RST	M71
Clear signal 100ms ON timer
M71
							Y5
Data set type
home position
return request
					DMOVP K500		D24
				DTOP K0	K13	D24	K1

Clear signal ON timer request

Clear signal 100ms ON timer

Setting data set type home position return request

Resetting data set type home position return request

Clear signal ON

Setting X-axis home position address "500" in the data register

Changing X-axis home position address

DTOP K0 K26 D24 K1

Changing X-axis present position data

(e) Electromagnetic brake output

During ABS data transfer (for several seconds after the servo-on signal is turned on), the servo motor must be at a stop.

Set "1 1 " in parameter No. 1 of the servo amplifier to choose the electromagnetic brake interlock signal.

Y1 X1

Y4

ABS transfer Brake (MBR) mode

Electromagnetic brake output

(f) Positioning completion

To create the status information for servo positioning completion.

During ABS data transfer (for several seconds after the servo-on signal is turned on), the servo motor must be at a stop.

Y1 X0

M

ABS transfer Positioning

mode completion Y1

ABS transfer mode

Completion of servo positioning

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