13. Troubleshooting
13-22
Table 13-12 Troubleshooting from sent and received data (2/2)
Sent and received
data
Check
Corrective action
Data in a transfer area
is corrupted.
Are the transmission area settings
of the module that performs data
transfer correct?
If the transmission area settings are not correct, specify
the correct settings.
Are multiple modules using
overlapping transmission areas?
If transmission areas overlap, data in the overlapping
parts is corrupted.
Is a user program updating a
transfer area?
Stop user programs and check whether they are
updating a transfer area.
Transferred data is
cleared to 0.
Is the module that transmits data
stopped?
If the hold/clear mode is set to clear, the transfer area is
cleared to 0 when data transmission is stopped.
Is the LADDER RUN/STOP switch
of the CPU module that transmits
data set to "STOP"?
If the LADDER RUN/STOP switch of the CPU module
is set to "STOP", the data transmission for the transfer
area stops. If the hold/clear mode is set to clear at this
time, the transfer area is cleared to 0.
(3) Troubleshooting from the status of communication with another node
You can verify the status of communication with another node by checking the RAS information.
For details about checking the RAS information, see
5.6 RAS table
in the
S10VE User's Manual
Option OD.RING (LQE510-E)
(manual number SEE-1-101).
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