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Trigger a time variable

Created by: Gabriel_W at: 10/22/2024 7:33 AM (26 Replies)

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10/23/2024 4:05 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1082)	jacek d qwazee TIME is a DINT number that only utilises the positive portion of the DINT values. It is not. The range of the TIME data type is -T#24D_20H_31M_23S_648MS to T#24D_20H_31M_23S_647MS. I am wrong. Thanks for pointing that out. Do we know if TIME_TCK() gives values between T#0MS and T#24D_20H_31M_23S_647MS. Or does the instruction use the full range? Your previous post asserts that only the positive ranges are used.
	Activities of this user is voluntary. There is no obligation or liability placed on this user. Though optional, your 'please' and 'thank you' is highly valued.
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10/23/2024 5:42 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1082)	jacek d How about following instead? elapsed_time := (Current_Time-Start_Time) MOD T#24D_20H_31M_23S_647MS And here parentheses around subtraction are really required. I tested your suggestion. There is a problem. Please review the image.
	Activities of this user is voluntary. There is no obligation or liability placed on this user. Though optional, your 'please' and 'thank you' is highly valued.
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This contribution was helpful to 1 thankful Users jacek d

10/23/2024 7:32 AM	Rate (0)
Piotr.M Platinum Expert Joined: 6/24/2013 Last visit: 11/14/2025 Posts: 1696 Rating: (433)	Parentheses are deliberate to prevent overflow during calculations

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10/23/2024 7:53 AM	Rate (0)
Gabriel_W Joined: 10/9/2023 Last visit: 12/4/2025 Posts: 76 Rating: (0)	Gabriel_W An other question, Can SFC64 be used in the same time in the programme ? I repost my question. For exemple, can I use the SFC64 in three different places in my program at the same time?
	Best regards, GW
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10/23/2024 8:15 AM	Rate (0)
jacek d Platinum Expert Joined: 9/23/2005 Last visit: 12/23/2025 Posts: 5149 Rating: (772)	Gabriel_W For exemple, can I use the SFC64 in three different places in my program at the same time? Yes.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 1 thankful Users Gabriel_W

10/23/2024 8:19 AM	Rate (0)
Gabriel_W Joined: 10/9/2023 Last visit: 12/4/2025 Posts: 76 Rating: (0)	jacek d Yes. Thanks.
	Best regards, GW
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10/23/2024 1:07 PM	Rate (0)
jacek d Platinum Expert Joined: 9/23/2005 Last visit: 12/23/2025 Posts: 5149 Rating: (772)	qwazee Do we know if TIME_TCK() gives values between T#0MS and T#24D_20H_31M_23S_647MS. Yes. qwazee jacek d How about following instead? elapsed_time := (Current_Time-Start_Time) MOD T#24D_20H_31M_23S_647MS And here parentheses around subtraction are really required. I tested your suggestion. There is a problem. Please review the image. You are right. It won't work with MOD in the way I expected in this case.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 1 thankful Users qwazee

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