Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

weekday scheduling at S7 300

Created by: zeroptr at: 6/22/2009 4:40 PM (5 Replies)

Rating (0)

Thanks 0

6 Entries

6/22/2009 4:40 PM	Rate (0)
zeroptr Regular Member Joined: 5/27/2009 Last visit: 11/28/2019 Posts: 31 Rating: (0)	Hi all, I have to write a plc program to a s7 300 315 2 dp cpu station. Customer wants to make some issies by using scheduling.. For example some processes must work at every monday at 10:00 AM and some issues must work everyday at 7:30. And wants to add some dates. Has any one has any sample or idea to accomplish this ? I have a tp177 panel I have to show them to user also, I use WinCC flexible.. I'm telling this becouse, panel may have a simple way to do this...
	Last edited by: zeroptr at: 6/22/2009 4:41 PM
Suggestion To thank Quote Answer

6/22/2009 5:18 PM	Rate (0)
miami Platinum Member Joined: 8/31/2005 Last visit: 4/24/2023 Posts: 2194 Rating: (320)	Try this applications: http://support.automation.siemens.com/WW/view/en/21669756 http://support.automation.siemens.com/WW/view/en/31696259
	Last edited by: miami at: 6/22/2009 5:19 PM Last edited by: miami at: 6/22/2009 5:18 PM
Suggestion To thank Quote Answer

6/22/2009 5:24 PM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 3/8/2023 Posts: 703 Rating: (96)	Hello, for the cyclic triggering you can use thetime-of-day interrupt setting in the HW configuration of the CPU. Unfortunatelly CPU you use has just the one (OB10). For another you could use the SFC1 READ_CLK and comare it with the set dates and times. Regards Sydney helpful links: http://support.automation.siemens.com/WW/view/en/22819915 http://support.automation.siemens.com/WW/view/en/24658864 http://support.automation.siemens.com/WW/view/en/24104104
	Last edited by: Sydney at: 6/22/2009 5:29 PM links addition
Suggestion To thank Quote Answer

6/22/2009 5:32 PM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 6/6/2023 Posts: 4448 Rating: (827)	Hello, I think read clock function would be better specially the client need these dates to be available on the HMI for further modifications/setting. If you used OB10. It will work for only one issue. And it won't be accessable by the operator. Regards,
	Ayman Elotaify
Suggestion To thank Quote Answer

6/22/2009 5:55 PM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 3/8/2023 Posts: 703 Rating: (96)	The time-of-day interrupts could be modified by the SFCs, but I would also use the reading and comparing the time, because it's easier and has more capability. The time is enough to read once per cycle and you could create a routine for comparison which can be used then many times in the programm. Regards Sydney

Suggestion To thank Quote Answer

6/22/2009 8:06 PM	Rate (0)
zeroptr Regular Member Joined: 5/27/2009 Last visit: 11/28/2019 Posts: 31 Rating: (0)	thank you very much who replied... miami's firs link seem to solve this I'm tryin...

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on