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Faceplate - increment tag / pass numeric value (TP900 Comfort)

7/27/2023 9:15 AM	Rate (0)
anton.narbut Experienced Member Joined: 1/18/2017 Last visit: 11/14/2024 Posts: 54 Rating: (1)	Hello all, I want to to increment a numeric tag value on a faceplate using a button. I want increment value to be passed through the faceplate interface. However I cannot pass a constant value (e.g. type of Real) via properties, screen designer will only suggest "HMI tag" or "None" (and property icon will look like a "tag"). Is there way to pass a constant value to the faceplate which I can use in the button event?

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7/28/2023 12:26 PM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/21/2026 Posts: 16653 Rating: (1944)	Hello anton.narbut you can not get access to screenitems in scripts inside the Faceplate, and you can only use constant values on properties on the interface (123-sign). If you have a Tag defined or a property that is define as tag value you can only set a Tag from outside and no constant. So you could only try to use an internal tag with a Start value for this bye Murof
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This contribution was helpful to 1 thankful Users anton.narbut

7/31/2023 6:31 AM	Rate (0)
anton.narbut Experienced Member Joined: 1/18/2017 Last visit: 11/14/2024 Posts: 54 Rating: (1)	Murof constant values on properties on the interface (123-sign). How can I create such a property in the faceplate (type of Real) ?

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8/4/2023 11:54 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/21/2026 Posts: 16653 Rating: (1944)	Hello anton.narbut I think you do not understand correctly... You can only pass through existing properties of screen items. for basic information check the following FAQ: https://support.industry.siemens.com/cs/ww/en/view/68014632 Bye Murof
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