Mitsubishi Melsec-A Series User Manual page 149
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Also See for Melsec-A Series:
- Programming manual (508 pages) ,
- Reference manual (330 pages) ,
- Operating manual (177 pages)
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8. TROUBLESHOOTING
/MELSEC
8.2.6 Unrequested stop
Check for a s t o p command from the
sequence program.
YES
c
Check PC software.
Disconnect stop signal cable.
r
D
Stop signal circuit fault.
Check for sources of noise
l e a vrrelder. power supply).
c
AL
Potential noise interference?
AD71 cables etc.
Eliminate source of noise or screen
CYE
Positioning stops?
NO
Take appropriate measures t o prevent
noise interference.
I
I
e
Check motor drive unit.
8-1
3
I 0
iNAi €6101-A
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