Robin P Posted February 9, 2015 Report Share Posted February 9, 2015 I have a number of HMI screens in my program, which feature a 'Back' button to enable return to a parent screen. The action of this button is 'Last screen', which works fine except: If I have the PLC system - a Unistream 10" - at one of these screens during program development, and I download a new version of my program to the PLC, the program restarts at the screen previously left off at, but the Back button no longer has any effect. I now have means of returning to the parent screen, other than a system reboot. Could not the download process simply cause a restart at the Home screen? Regards Quote Link to comment Share on other sites More sharing options...
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