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CHAPTER 12 TROUBLESHOOTING
12
12.
4
T
roubles
hoot
ing by Sym
p
to
m
12.
4.
2
T
ransient
t
ransm
ission
cannot
be
perf
o
rme
d
12.4.2
Transient transmission cannot be performed
The following lists the actions to be taken if transient transmission cannot be performed with the target station, and GX
Works2 cannot perform monitoring.
If the above actions do not solve the problem, perform the following tests on the master/local module to check for an
error.
• Hardware test (
• Self-loopback test (
• Communication test (
12.4.3
Station is disconnected from the network
The following is the troubleshooting action to be taken when a station in data link is disconnected.
If the above action does not solve the problem, perform the following tests on the master/local module to check for an
error.
• Hardware test (
• Self-loopback test (
• Cable test (
Check item
Action
Is the D LINK LED of the master or slave station on or flashing?
If the D LINK LED is off, perform troubleshooting. (
Is the baton pass status of the destination normal?
In the CC-Link IE Field Network diagnostics, identify the cause of the
error and take action. (
Are the following control data of the dedicated instruction
correct?
• Target station’s CPU type
• Target station’s network number
• Target station number
Correct the control data of the dedicated instruction.
Is the station number of the master/local module duplicated with
any of the other stations?
Change the duplicated station number.
Check item
Action
Is the ambient temperature for the module within the specified
range?
Keep the ambient temperature within the specified range by taking
action such as removing heat source.