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support.automation.siemens.com | Technical Forum | Friday, September 12, 2025 7:16:11 PM

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Read One Decimal Point in FC105

Created by: H.SAPER at: 6/1/2023 1:21 PM (13 Replies)

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6/16/2023 2:26 PM	Rate (0)
Piotr.M Platinum Expert Joined: 6/24/2013 Last visit: 9/12/2025 Posts: 1696 Rating: (433)	you need mul then round then div - I tried code on S7-1500 and it works i.e. input = 1234.56 return = 1234.6

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6/22/2023 11:27 PM	Rate (0)
H.SAPER Bronze Member Joined: 11/12/2008 Last visit: 9/9/2025 Posts: 225 Rating: (16)	Thank you Piotr.M It's work. Best Regards Attachment 1.png (416 Downloads)
	HASSAN.S POJAILA
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6/23/2023 12:07 PM	Rate (1)
Piotr.M Platinum Expert Joined: 6/24/2013 Last visit: 9/12/2025 Posts: 1696 Rating: (433)	Hi so you wanted to truncate instead of round (difference is truncate simply "cuts" not needed decimal points and round rounds to closest number, for example trunc(123456.79,1decimalplace)=123456.7 round(123456.79,1decimalplace)=123456.8

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This contribution was helpful to 1 thankful Users H.SAPER

6/24/2023 8:23 PM	Rate (0)
H.SAPER Bronze Member Joined: 11/12/2008 Last visit: 9/9/2025 Posts: 225 Rating: (16)	Hello, It's depend on accuracy of process, if we need more accuracy we can use 2 decimal point or we can use roof or ceil conversion. It's solved and thank you for your time and response. My best regards.
	HASSAN.S POJAILA
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