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How to use/insert SFC & OB in writing PLC programs?

1/30/2011 2:32 PM	Rate (0)
Elite Posts: 23 Rating: (0)	Dear All, I am learning Siemens plc and already try out some programs. As a new baby, i only can write linear programs OB1, FC and FB. After i learned samples, i understand that i can use others Interrupt OB and SFC in manual. But my problem is i don't know how to start and even how to insert those in programs. Kindly guide me a way to use Interrupt OBs and SFCs. I learned old programs, i saw SFC 14, SFC 15, SFC 20 and OB 81. I traced back i know what is the meaning of those SFCs and OBs but i don't really know how to programs. thanks to all.. Bgrds, Phyoe
Elite Posts: 23 Rating: (0)
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1/30/2011 8:24 PM	Rate (2)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	Dear member Check the video in attachment to learn how to call an SFC how insert an OB in a user program. Also Check the following manual for more information: System Software for S7-300/400 System and Standard Functions Volume 1 and Volume 2 BR Attachment SYSTEM.zip (901 Downloads)
	Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users Saruca

1/31/2011 4:55 PM	Rate (0)
Elite Posts: 23 Rating: (0)	Hello hdhosseini, Thanks a lot for your attach video. now i know how to use interrupt OB and SFC. I would like to request some videos for more details as manual describe everythig details but i cannot follow.sorry plz understand new babies. P.S thanks to moderator also. Bgrds, phyoe
Elite Posts: 23 Rating: (0)
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2/2/2011 8:12 AM	Rate (0)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 9/17/2025 Posts: 3049 Rating: (1062)	Hello phyoemaung you can find plenty more free of charge downloadable S7 training Videosat the link below: SIMATIC Screencast Tutorials(note too the additional links at the bottom of that page) I hope this helps
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 1 thankful Users Saruca

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