12/21/2014 2:50 AM | |
Joined: 10/7/2005 Last visit: 10/5/2024 Posts: 3024 Rating: (1054) |
Hello Swami_GS
Correct
For sure, CP443-5 will allow you to create a physically redundant Profibus system (something S7-400H's can NOT yet do with Profinet even though the Profinet standard caters for this. I suppose it is still very early days for Profinet with H-Systems). To connect the PAC's you'd need a Y-Link though to make the transition to a single Profibus. Once done, I'd use the Profibus DP Slave interface option to connect the PAC's to the Profibus (unless you can find a DP/PN proxy gateway). To watch out for is that the Y-Link limits you to 244Bytes of I/O for all underlying PAC's. Depending on how much data you intend to read from each PAC, you may find that you'll need a fair few Y-Links for your 24 PAC's. I hope this helps |
Cheers |
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