Zero Ignorance (Servo-On Position Defined As Zero) - Mitsubishi melservo-j2 series Instruction Manual

4. OPERATION

4.4.6 Zero ignorance (servo-on position defined as zero)

The position where servo is switched on is defined as a home position as soon as servo is switched on.
(1) Signals, parameter
Set the input signals and parameter as follows:
Item
Manual zeroing mode selection
Zero ignorance
(2) Timing chart
ON
Servo on (SON)
OFF
ON
Ready (RD)
OFF
Automatic/manual
ON
mode selection
OFF
(MDO)
ON
In position (INP)
OFF
ON
Rough match
OFF
(CPO)
Zeroing ON
completion (ZP) OFF
Servo motor speed
The address on completion of zeroing is the value automatically set in parameter No.42 (zeroing position
data).
Device/Parameter Used
Automatic/manual selection signal (MDO)
Point table No. selection 1 (DI0)
Point table No. selection 2 (DI1)
Parameter No.8
Zero address
Parameter No. 42
4 - 28
Description
Short MDO-SG (ON).
Open DI0-SG (OFF).
Open DI1-SG (OFF).
4 : Zero ignorance is selected.