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calculating date and time

9/13/2018 9:09 AM	Rate (0)
mbaranicin Posts: 4 Rating: (0)	Hi, I want to put a time and date manually , and subtract it from the current time and date, and show the date and the time on the scada. I want to show on the scada like 24 days 12 hours. I am usig PSC7 V8.1 Cemat. Is there anyone who can help me?
mbaranicin Posts: 4 Rating: (0)
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9/13/2018 10:45 AM	Rate (0)
bg2492 Posts: 7298 Rating: (2188)	Hello mbaranicin in the follwing FAQs can you find some examples of C-scripts: "How do you access the system time with WinCC Global Script?" https://support.industry.siemens.com/cs/ww/en/view/24019500 "How can you read out, display or set the local computer time or the coordinated world time in WinCC Runtime?" https://support.industry.siemens.com/cs/ww/en/view/24202491 Best Regards Georg Berghof
bg2492 Posts: 7298 Rating: (2188)
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9/13/2018 11:45 AM	Rate (0)
mbaranicin Posts: 4 Rating: (0)	Thank your for your answer. I think my question is little bit different. In the program, I can read current local time by FC1010 Calculate local time. I can also make a new date and time with IEC FC3 Create date. I want to subtract these two dates and show the difference on scada.For example, local time is 13.09.2018 12:00 and the date I create 01.09.2018 12:00 and I want to show on the scade 12 days 0 hour. Sorry If my explanation is not enough.
mbaranicin Posts: 4 Rating: (0)
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9/18/2018 4:18 PM	Rate (0)
Heisenberg2 Gold Member Joined: 5/3/2017 Last visit: 12/5/2025 Posts: 673 Rating: (219)	Hi mbaranicin, the Industry Library offers a block that reads the CPU time and transfers the read time stamp (date and time) to the output in BCD format. More information about the block you can find in the manual "SIMATIC Process Control System PCS 7 Industry Library for PCS 7 V9.0 " under the section "ASTimeBCD - Output the CPU time in BCD format" with regards Heisenberg

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9/24/2018 11:32 AM	Rate (0)
samkcr Posts: 406 Rating: (3)	Hi, You can also refer this thread as well https://support.industry.siemens.com/tf/ww/en/posts/elapsed-days-between-2-dt-vars/38543/?page=0&pageSize=10#top186014
samkcr Posts: 406 Rating: (3)
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6/6/2022 3:07 PM	Rate (0)
loginx Posts: 1 Rating: (0)	There are situations where it is necessary to make a time and date calculator due to various events. It is possible to reach the result with a simple cgi script for calculating the year, month, day and time between two dates. However, help may be needed when there is a very long date range. For such long-range dates, various calculation programs are preferred. eval { my cgi = CGI->new; my date = decode_date($cgi->param('date')); my time = decode_time($cgi->param('time')); my dt = DateTime->new( %date, %time ); my future = DateTime->from_epoch( epoch => dt->epoch + 10e8 ); output(theday => dt, thesecond => future); };
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