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Set Reset Range of Bits

Created by: Saravana kumar at: 6/27/2010 10:11 AM (3 Replies)

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6/27/2010 10:11 AM	Rate (2)
Saravana kumar Gold Member Joined: 2/6/2009 Last visit: 8/19/2024 Posts: 939 Rating: (118)	Dear All, Here I have attached a program backup contains the block for"Set/Reset Range" of bits.This block is like Set/Reset option in Step7 MicroWin. The block can be used for both Set as well as reset. This block is not having anydependencywith MCR. This can be used for Memory Bits, Digital Outputs and DB bits. Revert back for any clarification. Attachment Set&Reset_Bits.zip (315 Downloads)
	Last edited by: Saravana kumar at: 6/27/2010 10:14 AM _______________________________________________________________ Best Regards T.Saravana Kumar "All for the Best"
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6/29/2010 6:11 AM	Rate (0)
Y.DHINAKARAN Posts: 43 Rating: (2)	hi, I studied this set/reset bits in that, if call fc13, CALL "Set/Reset Range" ( Reference_Point := P#Q 0.0------------- Output, Count := 10, ------------------------ ? Set_Reset_Selection := TRUE);----------- Set/Reset ( 0/1) Please explain and send some usage of these bits. Y.Dhinakaran.
Y.DHINAKARAN Posts: 43 Rating: (2)
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6/29/2010 5:54 PM	Rate (0)
Saravana kumar Gold Member Joined: 2/6/2009 Last visit: 8/19/2024 Posts: 939 Rating: (118)	DearY.DHINAKARAN, I am not able to get your question clearly. Can you ask in brief. The use of the block is to Set / Reset Range of Bits in Memory Bits, Digital Outputs or DB bits.
	_______________________________________________________________ Best Regards T.Saravana Kumar "All for the Best"
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6/29/2010 6:31 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 11/12/2024 Posts: 12293 Rating: (2691)	Hello Y.Dhinakaran; Would it help you if we pointed out that what you call an output is actually a pointer to the LSB (least significant bit) of QW0? P#Q0.0: look at your online help of Step 7 and search for pointer datatype. So you start by pointing the function to a precise address in memory (in this case output QW0) and then you tell the function how many units you will have it working on (the COUNTparameter, number of bits to be set/reset). The last parameter select whether the operation is to Set the selected bits (=1) or Reset the selected bits (=0) Doesthis clarify things? Hope this helps, Daniel Chartier
	Last edited by: dchartier at: 6/29/2010 6:33 PM
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