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What is this address

Created by: AhmedFM at: 6/10/2009 6:12 PM (7 Replies)

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6/10/2009 6:12 PM	Rate (0)
AhmedFM Posts: 43 Rating: (0)	Hello i want to know 1-what is this address 2-how can i use it 3-is this address belonge to I/O area in the memory regards Attachment address.JPG (196 Downloads)
AhmedFM Posts: 43 Rating: (0)
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6/10/2009 6:19 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/15/2025 Posts: 22493 Rating: (3044)	Hello, this adress are for Master-Slave Data Exchange. In you project you have 2 Controller, Master and slave. With this adress you can change data between the cpu's, from program write the data to output 2, the partner will receive the data on input adress 40. Regards Christoph

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6/10/2009 6:23 PM	Rate (0)
AhmedFM Posts: 43 Rating: (0)	hi ChristophD now is this address from i/o area for example ( if i have an input module has an address form I 0 to I 4) is there is a conflect in the data regards
AhmedFM Posts: 43 Rating: (0)
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6/10/2009 6:27 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/16/2025 Posts: 12329 Rating: (2699)	Hello Ahmed; Why don't you try it yourself, it would be a good way for you to advance your expertise?. You would see that the compiler prevents this type of confusion. Hope this helps, Daniel Chartier

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6/10/2009 6:27 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	That is input word 40 (iw40) . and when you try to use in hardware configuration you would not be able to compile with 2 inputs at the same address
playerslight Posts: 1064 Rating: (72)
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6/10/2009 6:34 PM	Rate (0)
AhmedFM Posts: 43 Rating: (0)	Hello all thank you all for your help and your information but i hope that i can simulate more than one plc at the same time thanks all
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6/10/2009 7:00 PM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 1/4/2025 Posts: 703 Rating: (96)	Hello, I see the byte not word and imho it would work, there's no conflict.Rowsare inopposit direction and the adddress could be the same byte number for input as output. I haven't tried it but the new version of PLCSIM (V5.4 SP3) is able to open a few instances so you could simulate few PLCs at the same time, don't know how it is with the communication between them. Regards Sydney

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6/10/2009 7:06 PM	Rate (1)
Eastern Posts: 557 Rating: (64)	hi you can simulate more the one cpu at the same time ,but you have to use S7 PLC-SIM V5.4 SP3. find the link this will help you know the master slave communication.. http://support.automation.siemens.com/WW/view/en/6518822 link for MultiCPU with PLCSIM v5.4 SP3 http://www.plc.net.ru/viewtopic.php?t=10730&highlight=plcsim+++sp3 regards
Eastern Posts: 557 Rating: (64)	Last edited by: Eastern at: 6/10/2009 7:12 PM
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