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RS Flip Flop Functionality Is Different In S7-300 and S7-200?

4/20/2012 8:10 AM	Rate (1)
soju Posts: 69 Rating: (2)	Small Question... Is there any difference between the functionality of RS Flip Flop in S7-300, S7 200 and S7-1200.... Thanks In Advance, Soju Sonny Mathew
soju Posts: 69 Rating: (2)
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4/20/2012 8:22 AM	Rate (1)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	A quick answer, No. there are no differences.
	Ayman Elotaify
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4/20/2012 8:26 AM	Rate (1)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	[quote user="soju"]Small Question... Is there any difference between the functionality of RS Flip Flop in S7-300, S7 200 and S7-1200.... Thanks In Advance, Soju Sonny Mathew Hello soju, If we forget about the graphical presentation,I can point out possibility of set or re-set a number of bits from starting bit(in a instruction) in S7200.This also presents in S71200 ("Set bit field").As far as I checked, this is not possible in STEP7 for S7300-S7400 by an instruction. Hope this helps Best regards, Hamid Hosseini
	Last edited by: hdhosseini at: 4/20/2012 8:31 AM Demo Channel on Youtube
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4/20/2012 8:58 AM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Setting (or Resetting) a number of bits is only for the separate S and R instructions in the S7-200. The SR and RS function can only handle 1 bit. See attachment. Regards, Marcjan Attachment setreset.JPG (463 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 2 thankful Users hdhosseini soju