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calculation of the remaining value

Created by: LadislavH at: 5/10/2025 4:49 PM (25 Replies)

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5/10/2025 4:49 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	Hi I enter a value for the counter using the HMI (as a DWORD) - the value to turn on the counter output. I want to display the remaining value on the HMI - the difference between the set value and the actual value. but somehow I can't do it. It's certainly not difficult, but I don't know how to do it. Thank you very much for the guidance. Lada

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5/10/2025 5:12 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	Calculating the difference is only possible if the values do not leave the integer range (-32,768 to 32,767).

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5/10/2025 5:17 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	I meet that. It's about max 25 - the value for starting the output. The difference is also max 25
	Last edited by: Moderator_Lan at: 05/12/2025 08:36:43 Text formatting optimized
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5/10/2025 5:24 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	Please upload your program. The easiest way to show you the procedure with the real operands und the real values.

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5/10/2025 5:40 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	The whole program is very complicated. Attached is a picture of how I want to do it. Attachment Bez názvu.jpg (260 Downloads)

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5/10/2025 5:46 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	That's not helpful. So I show you the procedure.

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5/10/2025 6:02 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	here is the whole program and a picture with the incriminating place Attachment Bez 1.jpg (263 Downloads)

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5/10/2025 6:17 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	I'll leave it for tomorrow...

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5/10/2025 6:18 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/14/2025 Posts: 35960 Rating: (4502)	I don't understand what you're trying to tell me with the screenshot. So far, you haven't mentioned an "ON" parameter.

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5/10/2025 6:34 PM	Rate (0)
LadislavH Regular Member Joined: 3/31/2021 Last visit: 8/21/2025 Posts: 59 Rating: (0)	I enter the ON parameter as DW (I think 36) and I still want to enter P1 at B181

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