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9.7.3
Bridge module
Trouble
Item to check
description
Data link stop
Data link
cannot be
stopped or
restarted.
Data link restart
Check if the
station has been
set as an error
invalid station.
A faulty station
cannot be
detected.
Check if the
same station
number is used
for multiple
stations.
Check if faulty
stations can be
identified using
Other stations
data link status
(address: 680
Faulty stations
to 683
).
H
are generated
Check whether
at some
normal
transmission
communications
speeds.
can be
performed when
the transmission
speed is
decreased to
156kbps.
To turn on/off Data link restart (address: 5E0
bridge module is required.
100
Point to check
Is Data link stop (address:
5E0
.b2) turned on?
H
Has any error occurred?
Is Data link restart (address:
5E0
.b0) turned on?
H
Has any error occurred?
Check if relevant stations are
disconnected.
Check if the station has been
set as an error invalid station.
Check if the same station
number is used for multiple
stations.
Check if faulty stations can be
identified using Other stations
H
data link status (address: 680
to 683
).
H
Check whether normal
communications can be
performed when the
transmission speed is
decreased to 156kbps.
H
Check method
Check the program.
Check the Data link stop result
(address: 645
).
H
Check the program.
Check the Data link restart
result (address: 641
Check the cable condition
visually or by carrying out the
line test using the programming
tool.
Check Temporary error invalid
status (address: 67C
Check the station number
setting.
Check the switch setting of the
faulty station.
Check that the cable is wired
correctly.
Check that the shield of the
H
cable is grounded.
Check that terminating resistors
are connected to the farthest
ends of the CC-Link system.
.b0), a sequence program for accessing the remote buffer memory of the
Corrective action
Turn on Data link stop (address:
5E0
.b2).
H
Take a corrective action
according to the error code.
Turn on Data link restart
(Address: 5E0
H
Take a corrective action
).
according to the error code.
H
Check the cables of and the
settings for relevant stations
and start the data link normally.
Set Temporary error invalid
station specification (address:
604
to 607
) and turn on
H
H
to 67F
).
Temporary error invalid setting
H
H
cancel request (address:
5E0
.b5).
H
Set the station number correctly.
Adjust the transmission speed
setting to that of the bridge
module.
Wire the cable correctly.
Ground the shield.
Connect terminating resistors to
the farthest ends of the CC-Link
system.
.b0).
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Troubleshooting
