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I wanted to provide support personal way to access alarm history. So when user calls at 2 AM and says "machine stopped working" they can see what has happened and give advice for user, what to do. Sadly in current state you cant provide any indication of alarms on Web page. I know they can see errors on HMI screen. But If I provide support personal VNC access they are able to start engines over cell phones (in their bed) and I think it may be dangerous. Providing read-only VNC access  is also problematic, because PLC is behind locked door (windowed) and for interactions they have to drive on the job site. 

I can provide state of the buttons or sensors on web page but there are lifting device and it will stop if it is over loaded (speed drops).  Without alarms you cant easily see reason why it stopped.

Maybe I can read alarms from SD card and show them on Web Page ? Maybe I can add some JS code and create some custom Web UI elements?

UniLogic 1.29.111

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