I am currently experiencing an issue with my Siemens S7-1200 PLC and T7Comfort HMI setup. After successfully downloading the programs to each device, I am receiving messages on the HMI indicating that a connection has been established with the PLC. However, the screens are not displaying correctly, with buttons and text not functioning as expected. I am reaching out for assistance and advice from those familiar with troubleshooting PLCs. As a novice in this field, any guidance would be greatly appreciated. I have also attached a screenshot for reference. Could the expired trial license of Step S7 be causing this unexpected behavior?
Make sure to check the compatibility of your HMI date and time settings with those of your PLC. This issue seems to have arisen starting from TIA V16.
It seems like the timing is correct, but I encountered an issue while trying to simulate the HMI. The error message mentioned that there are too many tags, even though the compilation output shows that I have only utilized 112 out of the 124 tags available. Could this be the reason for the problem?
It sounds like you're dealing with a frustrating issue! First off, it's great that the connection between the HMI and PLC is established—that's a positive sign. The malfunctioning screens could indeed be linked to the expired trial license of Step 7; often, such licenses limit functionality and might cause erratic behavior in visual elements. I’d recommend checking if the functions tied to the buttons and text you’re having issues with are activated correctly in the software. Also, try to ensure both devices are using compatible firmware versions, as mismatches can lead to display errors. Lastly, reviewing your HMI project settings might reveal some overlooked configurations. Good luck, and don’t hesitate to share more details if you need further help!
✅ Work Order Management
✅ Asset Tracking
✅ Preventive Maintenance
✅ Inspection Report
We have received your information. We will share Schedule Demo details on your Mail Id.
Answer: 1. Why are the screens on my T7Comfort HMI not displaying correctly after establishing a connection with the Siemens S7-1200 PLC? - The incorrect display of buttons and text on the HMI could be due to various factors such as programming errors, communication issues, or compatibility issues between the PLC and HMI.
Answer: - To troubleshoot the connection issue, you can check the communication settings, program logic, and hardware connections between the PLC and HMI. Ensuring proper configuration and addressing any potential errors can help resolve the issue.
Answer: - While an expired trial license of Step S7 could potentially impact the functionality of the programming software, it is unlikely to directly cause issues in the communication and operation between the PLC and HMI. However, ensuring valid licensing and software versions is always recommended for proper system operation.
Join hundreds of satisfied customers who have transformed their maintenance processes.
Sign up today and start optimizing your workflow.