16 TROUBLESHOOTING
16.6 Troubleshooting for Device Access
155
16
Transient transmission cannot be performed
The following explains the troubleshooting when the following symptoms have occurred and the transient transmission cannot
be performed.
• The data cannot be written to the accessed station.
• The data cannot be read from the accessed station.
• The data cannot be monitored with the utility.
• The data cannot be read/written while accessing to the device using a communication function with a user program.
When transient transmissions cannot be executed to the target station, check the following items.
If the problem is not solved by the above corrective actions, refer to the following section and contact us.
Page 166 Information Required for Inquiries
Item
Corrective action
Is the D LINK LED of the master or slave station ON or flashing?
If the D LINK LED is OFF, perform the troubleshooting. (
Is the baton passing status of the target station normal?
In the CC-Link IE Field Network diagnostics, identify the cause of the error and perform the
corrective action. (
Page 118 Diagnosing CC-Link IE Field Network)
Is the station number of CC-Link IE Field Network board
duplicated with the station number of other station?
Change the duplicated station number.
Is the Communication test result normal?
(
In the CC-Link IE Field Network diagnostics, identify the cause of the error and perform the
corrective action. (
Page 118 Diagnosing CC-Link IE Field Network)
Is the MD function argument correct?
• Is the target station's network number correct?
• Is the target station number correct?
Check the MD function argument.
Is the board hardware operating normally?
Perform the board test. (
Summary of Contents for MELSEC Q80BD-J71GF11-T2
Page 2: ......
Page 6: ...4 Disposal Precautions CAUTION When disposing of this product treat it as industrial waste ...
Page 118: ...116 12 MONITORING MEMO ...
Page 140: ...138 14 MELSEC DATA LINK LIBRARY MEMO ...
Page 142: ...140 15 PROGRAMMING 15 1 Precautions on Programming MEMO ...
Page 243: ...241 I U Utility 83 ...
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