Mitsubishi Melsec-A AJ65SBT User Manual

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MELSEC-
A
6 TROUBLESHOOTING
6.6.5 Troubleshooting when the "L RUN" LED of the CC-Link/LT remote I/O station has
turned off
For troubleshooting of the remote device station, refer to the user’s manual for your
remote device station.
The "L RUN" LED of the
CC-Link/LT remote I/O station
has turned off
Power the system off, then on.
NO (Not changed)
Correct the wiring of the
communication cables.
YES
YES (Changed)
NO
Consult your local Mitsubishi
service center or representative,
explaining a detailed description
of the problem.
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.).
Are there any problems
on the line? 1
Set the station number to within
the controllable range of the
AJ65SBT-CLB. 4
YES (With problem)
NO (Without problem)
Is the station number
setting normal? 2
YES
NO
Set the correct station
number. 4
2 : Note the following.
3 : All station numbers occupied by the host module should be within the controllable range of the AJ65SBT-CLB.
(Refer to Section 3.6.2)
4 : When the station number setting of the remote I/O station has been changed, power the whole system off, then on.
Has the
transmission speed
setting of the AJ65SBT-CLB
been changed after data
link communication?
Is the station number
within the controllable range
of the AJ65SBT-CLB? 3
Any of 0 to 9 should be in the units digit.
The switch should not be mistaken for the output hold setting switch or response speed setting switch.

Mitsubishi Melsec-A AJ65SBT Specifications

General

Brand	Mitsubishi
Model	Melsec-A AJ65SBT
Category	Control Unit
Language	English