Mitsubishi Melsec-A Series User Manual page 146
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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
8.2.3 Incorrect positioning
Check whether positioning
is ran-
dom or regular.
I
YES
Recheck backlash and error compensation.
*
Check data
A
Operate positioning test procedure
from AGGPP or AD71TU.
YES
Positioning
OK?
c
Check raquence program.
.
Check data No. and addresses.
-
Check stop signal.
Check present value.
Check for sources of noise k g .
welder, power SUPPIYI
NO
b
Check motor drive unit etc.
Eliminate source of noise or screen
AD71 cables etc.
I
Posltioning OK?
+
Take appropriate measures t o pre-
vent Interference
by
nolse.
8-1
0
I0
INAl 58101-A
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