User`s manual
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MELSEC
11 TROUBLESHOOTING
11.4.3 Flowchart to use when there is a communication error between the master station
and CC-Link board
When a station number duplicate bit turns on in the link special register SW0098 to
SW009B (station number duplicate status), check the CC-Link board of the relevant
station number using the following procedure.
Troubleshooting flowchart when the "ERR." LED for the master station is flashing
NO
YES
NO
NO
NO
YES
YES
YES YES
YES
NO
NO
YES
NO
1
)
2
)
3
)
"ERR." LED for the master
station is flashing
Do the
parameter settings
match the loaded system
configuration?
Revise the parameter
settings or loaded system
configuration
Is the
master station
link special register
SW0080 to SW0083
(other station data
link status)
on?
Failure in the master station
Is the
master station link
special register SW0098 to
SW009B (station number
duplication status)
on?
Check the module for which
the SW0098 to SW009B is on
Check the module for which
the SW0098 to SW009B is on
Check the master station side
Check the A80BDE-J61BT13 side
Is the station number
set correctly?
Is the power
turned on?
Set the correct station
number
Reset the board
Turn on the power
Failure in the
A80BDE-J61BT13
Is the "RUN" LED lit?
Is the
communication cable
wired correctly? *1
Correct the communication
cable wiring
Failure in the applicable
module