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Created by: vitapro at: 12/18/2006 2:45 PM (2 Replies)

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12/18/2006 2:45 PM	Rate (0)
vitapro Posts: 2 Rating: (0)	I am a self taught programmer in S7 and would like help to solve an application, briefly described below. The process will read 3 items of data once every 20 seconds. I need to be able to retrieveeach block of data later on in the process so need to know whereI put it in the first place. There could be a further 5 data read processes beforeI retrieve the original data. I am fairly certain indirect addressing is the answer, but do not know how to proceed. Any help out there would be hugely appreciated.
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12/19/2006 4:52 PM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 10/18/2024 Posts: 1921 Rating: (136)	Hello, regarding to your inquiry we would like to inform you.We hopewe have understand your problem and in refer to save the data we recommend to transfer the data in one or more data blocks for further processing. You can use the SFC20 with programming of ANY-Pointer. Please see also the informations in the online help of SFC20 in STEP 7. Please see also the informations of the FAQs from the customer support which do you will find by the quoted entry id (link) in refer to indirect addressing: http://support.automation.siemens.com/WW/view/de/22303502 With best regards Cicero

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1/2/2007 10:32 AM	Rate (0)
vitapro Posts: 2 Rating: (0)	Cicero Thanks for your help.I have already realised that SFC20 is what is required. The software has been written and I will test it this week
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