Mitsubishi Electric MELSERVO MR-J2 C Series, Instruction Manual

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4. OPERATION
4.4.6 Home position ignorance (servo-on position defined as home position)
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
Automatic/manual selection (MD0) Short MD0-SG (ON).
Point table No. selection 1 (DI0) Open DI0-SG (OFF).
Manual home position return
mode selection
Point table No. selection 2 (DI1) Open DI1-SG (OFF).
Home position ignorance Parameter No.8 4 : Home position ignorance is selected.
Home position return position
data
Parameter No.42
Set the current position at home position
return completion.
(2) Timing chart
In position (INP)
Rough match
(CPO)
Home position
return completion
(ZP)
Servo motor speed
ON
OFF
ON
OFF
ON
OFF
Home position address
Parameter No. 42
ON
OFF
Automatic/manual
mode selection
(MDO)
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).
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