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Time interval

Created by: Operator01 at: 1/27/2019 6:33 PM (9 Replies)

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1/27/2019 6:33 PM	Rate (0)
Operator01 Advanced Member Joined: 9/17/2017 Last visit: 12/6/2023 Posts: 17 Rating: (0)	Good morning My Logo is connected to two digital sensors. I would like to make time counter how long the each sensor was ON of the last 24 hours? Example: If i will check at 16:16 the LOGO shows time from 16:16 one day ago to 16:16 today only this time interval. Is it possible?

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1/27/2019 6:36 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	No, that's not possible.

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1/27/2019 7:15 PM	Rate (0)
#dP Posts: 2826 Rating: (680)	Operator01 Good morning My Logo is connected to two digital sensors. I would like to make time counter how long the each sensor was ON of the last 24 hours? Example: If i will check at 16:16 the LOGO shows time from 16:16 one day ago to 16:16 today only this time interval. Is it possible? Would a data log work for you? It will need external processing (on a PC) of the data to deliver the output you seek.
#dP Posts: 2826 Rating: (680)
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This contribution was helpful to 1 thankful Users Operator01

1/27/2019 7:30 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	Have fun calculating the total turn-on time when the input often changes its signal state.

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1/27/2019 7:47 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	Operator01 If i will check at 16:16 the LOGO shows time from 16:16 one day ago to 16:16 today only this time interval. Would you like to check every day at the same time?

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1/27/2019 8:03 PM	Rate (0)
Operator01 Advanced Member Joined: 9/17/2017 Last visit: 12/6/2023 Posts: 17 Rating: (0)	No, this will be checked at varius time. I cannot connected to PC. In my mind was idea that I push some button on the LOGO TDE and calculating time the last 24 hours.
	Last edited by: Operator01 at: 1/27/2019 8:05:02 PM
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1/27/2019 8:13 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	You can not look backwards in the LOGO! program. But what you can do: You start with the appropriate input a time counter. Then you give, for example at 16:00 the trigger signal for detecting and storing the total switch-on time, then the time counter is deleted. Next day at 16:13 you do the same. That's not exactly 24 hours. This means that the period between two trip signals is always recorded.

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1/27/2019 8:18 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	Or you do it with a pulse from a weekly timer, every day at the same time. How accurate does time have to be? Seconds exactly?

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1/27/2019 8:34 PM	Rate (0)
Operator01 Advanced Member Joined: 9/17/2017 Last visit: 12/6/2023 Posts: 17 Rating: (0)	Only hours and minutes. I created this like you told me but I used to hours counter with the Reset every 24 hours at 0:00. That's all what I can do. Thank you for help. Another question is also difficult I would like to Reset hours counter every 2 days at 0.00.

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1/27/2019 8:46 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/11/2023 Posts: 31604 Rating: (3931)	The answers to such questions are not difficult if the problem is described exactly. If no exact description of the desired procedure is given, no exact answer can be given. To the second question: You have to use a counter. This counts the pulses of the weekly timer. If two pulses have been counted, the operating hours counter is evaluated. With subsequent reset of the operating hours counter and the counter of the impulses of the weekly timer is also resettet.

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