Mitsubishi Melsec-A AJ65SBT - 6.6.7 Troubleshooting when input cannot be imported from the CC-Link;LT remote I;O station

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MELSEC-
A
6 TROUBLESHOOTING
6.6.7 Troubleshooting when input cannot be imported from the CC-Link/LT remote I/O station
For troubleshooting of the remote device station, refer to the user’s manual for your
remote device station.
Input cannot be imported
from the CC-Link/LT remote
I/O station
Is the input
recognized by the
AJ65SBT-CLB?
(Refer to Section 3.7.8)
YES
NO
Complete
1 : Check for a short, reversed connection, wire breakage, insulation displacement status, terminating resistors, overall distance,
drop line distance (overall drop line length, maximum drop line length) and peripheral environment (noise, etc.).
Is the input LED on?
YES
Consult your local Mitsubishi
service center or representative,
explaining a detailed description
of the problem.
Are there any
problems on the line? 1
NO
Is the external wiring normal?
NO
NO (Without problem)
Correct the external wiring.
YES
YES (With problem)
Correct the wiring of the
communication cables.
Consult your local Mitsubishi
service center or representative,
explaining a detailed description
of the problem.
Is the
wiring check correct?
(Refer to Section 4.8)
YES
NO
Review the program,
parameters and/or wiring.
Are the station
numbers overlapping?
YES (Overlapping)
NO (Not overlapping)
Consult the local servicing
company, dealer or our
branch office.
Correct the overlapping
station numbers. 2
2 : When the station number setting of the remote I/O station has been changed, power the whole system off, then on.