beautypg.com

Operation – MITSUBISHI ELECTRIC MR-J2S- CL User Manual

Page 121

background image

4 - 38

4. OPERATION

4.4.6 Home position ignorance (servo-on position defined as home position)

POINT
When a home position-ignored home position return is executed, the program
including the "ZRT" command need not be selected.

The position where servo is switched on is defined as a home position.

(1) Signals, parameter

Set the input signals and parameter as follows:

Item

Device/Parameter used

Description

Home position ignorance

Parameter No.8

4 : Home position ignorance is selected.

Home position return position
data

Parameter No.42

Used to set the current position on completion
of home position return.

(2) Timing chart

Movement complete (PED)

Home position

return completion

(ZP)

Servo motor speed

ON
OFF

ON
OFF

Home position address
Parameter No. 42

ON
OFF

Automatic/manual

selection

(MD0)

Ready (RD)

ON
OFF

ON
OFF

Servo-on (SON)

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