How to Remove TwinCAT3.1 Modbus Server Warning: File Not Found in COM Server List!

Question:

Hello! I need help with removing the bothersome TwinCAT3.1 warning about the Modbus server. I initially installed the option for testing purposes, but upon discovering that it required a license, I uninstalled it. I am currently utilizing a Beckoff PLC, with both the engineering environment and the PLC itself operating on the same IPC. Your assistance in resolving this issue would be greatly appreciated. Thank you for reading and for any help you can provide.

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Frequently Asked Questions (FAQ)

FAQ: 1. How can I remove the TwinCAT3.1 Modbus Server warning about 'File Not Found in COM Server List'?

Answer: - To remove this warning, you should first ensure that you have uninstalled the Modbus server option that was installed for testing purposes. If you have uninstalled it and are still seeing the warning, there may be some remnants of the installation left. You can try reinstalling and then uninstalling the Modbus server again to see if that resolves the issue.

FAQ: 2. What should I do if I uninstalled the Modbus server but still see the warning in TwinCAT3.1?

Answer: - If you have already uninstalled the Modbus server but are still encountering the warning, you can try checking if there are any leftover files or configurations causing the issue. Reinstalling and then properly uninstalling the Modbus server might help in clearing out any remaining traces causing the warning.

FAQ: 3. I have a Beckoff PLC with the engineering environment and PLC running on the same IPC. How can I resolve the TwinCAT3.1 Modbus Server warning in this setup?

Answer: - In a setup where both the engineering environment and the PLC are on the same IPC, ensuring that the Modbus server is correctly uninstalled and any associated files are removed is crucial. You may also want to check the TwinCAT3.1 configuration to verify that the Modbus server option is no longer present in the COM Server list to

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