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S5 to S7 conversion

Created by: A&D at: 11/6/2009 9:22 AM (1 Replies)

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11/6/2009 9:22 AM	Rate (0)
A&D Regular Member Joined: 10/15/2008 Last visit: 10/10/2024 Posts: 1 Rating: (0)	Hai I want clarification regarding DO operation ( only in S5 95U). I am converting s5 to s7. Is there any replacement of DO operation in S7.Please specify. Thanking You, Venkatesh
	Last edited by: venkatesh at: 11/6/2009 9:23 AM
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11/6/2009 12:53 PM	Rate (0)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 11/18/2024 Posts: 3027 Rating: (1057)	Hello venkatesh The "DO" command is used for indirect addressing in S5 and there areof course replacements available forit in S7. Attached is an explanation onhow the DO command works together with examples (courtesy of the S5 115 and 135 programming manuals who explain the DO command better than the 95U manual). Once you "digested" that have a look at the link below to seehow it can be done in Step7: What is the difference between STEP 7 and STEP 5 with regard to the operations for indirect addressing? Last but not least, the "DO=" command must not be confused with the "DO" command. "DO=" is a simple Block call commandand not related to indirect addressing. I hope this helps and good luck with your conversion Attachment S5 DO command example.jpg (200 Downloads)
	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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