How to display the current alarm color on a symbol?

For displaying the alarm color on a symbol, it is not required to connect to the value of a DPE and calculate a color, which will then be displayed.

The smart way with WinCC OA is to connect to the config attribute "_alert_hdl.._act_state_color" using the dpConnect() function. In the work function the foreCol and/or backCol of the symbol is set.

The attribute "_alert_hdl.._act_state_color" gives already the current alarm color of the DPE, so there is no need for a calculation of redundant information.

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Tags:
Programming / Scripting, User Interface, Alarming, PVSS, WinCC Open Architecture, HMI, Ultralight
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