4. CONFIGURATION OF EtherCAT CONNECTION
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4.2.6 Checking the EtherCAT connection
For information about how to check the EtherCAT connection, see “4.1.5 Checking the
EtherCAT connection”.
If EtherCAT is connected successfully, the icons beside the devices are shown in green in
the same way as for I/O modules.
4.3 Troubleshooting for EtherCAT Slave Connection Errors
When an error occurs, for example, an EtherCAT slave does not function, follow the
procedure below to investigate and identify the cause.
1. Read the user’s manual of the slave device, and check whether the symptom is listed in the
manual.
If yes, troubleshoot according to the description in the manual.
2. Start the CODESYS development environment, and check the PLC log.
For information about the PLC log, refer to the following topic in the online help.
• CODESYS Development System > Reference, User Interface > Object > Object ‘Device’
and Generic Device Editor > Tab ‘Log’
If you have any questions about the PLC log, contact the sales representatives.
3. Check the Windows event log to see if any errors from CODESYS are recorded.
If you have any questions after you go through all the steps above, contact the sales
representatives.
