Hitachi S10VE User Manual page 367

13. Troubleshooting
Table 13-12 Troubleshooting from sent and received data (2/2)
Sent and received
data
Data in a transfer area
is corrupted.
Transferred data 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).
Check
Are the transmission area settings
of the module that performs data
transfer correct?
Are multiple modules using
overlapping transmission areas?
Is a user program updating a
transfer area?
Is the module that transmits data
stopped?
Is the LADDER RUN/STOP switch
of the CPU module that transmits
data set to "STOP"?
Corrective action
If the transmission area settings are not correct, specify
the correct settings.
If transmission areas overlap, data in the overlapping
parts is corrupted.
Stop user programs and check whether they are
updating a transfer area.
If the hold/clear mode is set to clear, the transfer area is
cleared to 0 when data transmission is stopped.
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.
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