Greetings! When initiating Tagmanager in our current project, we are noticing exclamation marks next to the PLC connections. Despite attempting to switch the network connection to a different interface, we have been unsuccessful in resolving the issue. What steps can we take to effectively diagnose and troubleshoot this situation? Any guidance would be greatly appreciated. Thank you.
In the Windows Control Panel, there is a setting labeled as "Set PG/PC Interface (32-Bit)" where you can find the active Ethernet interface. Navigate to Properties and then access the IE-PG Access Tab. In this section, you should see the IP address 10.255.255.241 in use. To resolve any issues, uncheck the option for assigning IP addresses unique to the project and instead select "Do Not Assign IP Addresses Automatically." Save the changes by pressing OK a few times, then reboot the system. This troubleshooting step successfully resolved the issue I was facing.
Hey there! It sounds like you're dealing with a frustrating issue. To start troubleshooting, I would suggest checking the PLC’s network settings and ensuring that they match what Tagmanager expects. Sometimes, IP address conflicts or subnet mismatches can cause those exclamation marks. Also, try to verify the connection using a ping test to see if the PLC is reachable from your current interface. If everything seems fine, cross-check the Tagmanager configuration to ensure it’s pointing to the right PLC and that the necessary permissions are granted. Good luck!
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Answer: 1. Q: Why am I seeing exclamation marks next to the PLC connections in Tagmanager after initiating it in WinCC 7.3? Exclamation marks next to PLC connections indicate potential issues with the connections.
Answer: If switching network interfaces doesn't resolve the problem, you can try other troubleshooting steps like checking network settings, verifying PLC configurations, and ensuring proper communication protocols are set up.
Answer: Effective steps for diagnosing and troubleshooting PLC connection issues include checking network configurations, verifying PLC settings, testing communication protocols, and ensuring proper software setup.
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