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Document for IO bus architecture

6/15/2009 4:27 PM	Rate (0)
Paresh Posts: 116 Rating: (1)	Hello I want to know about IO bus architecture of Siemens PLC. Can anyone provide me any document explaining interwoeking between backplane bus and main communication bus. Thanks and Regards Paresh
Paresh Posts: 116 Rating: (1)
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6/16/2009 4:53 PM	Rate (0)
Paresh Posts: 116 Rating: (1)	Hi, I think no one understood my question. I want to know architecture of PLC back plane bus which handles communication with expansion and other modules Can anyone give me any such details? Thanks and Regards Paresh
Paresh Posts: 116 Rating: (1)
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6/16/2009 5:07 PM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 12/22/2025 Posts: 703 Rating: (98)	Hello, information about the backplane bus can be found inthe SIMATICS7-400 Automation System Module Data manual. Regards Sydney

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This contribution was helpful to 1 thankful Users Lucky123

6/17/2009 8:48 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 12/29/2025 Posts: 12477 Rating: (2722)	Hello Paresh; This is the most detailed (!) information I found on S7-400 backplane busesin the Siemens documents over the web. See the attached extract from the S&-400 and M7-400 Hardware and installation manual: ons single page! It seems Siemens is keeping this architecture and pinout information private, sorry. Hope this helps, Daniel Chartier Attachment S7-400 Backplane Bus.JPG (432 Downloads)

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