Hello
I'm looking for a examples writen in C (for linux) how can I communicate with Simatic S7 uses Profibus (interface RS 485).
Thanks for Your help
E.N
Siemens S7 - program in C
Nov 12, 2004
5 Replies
What kind of protocol are you looking for? PROFIBUS FMS, PROFIBUS DP or 'simply' FDL??
Are you aware that you need an ASIC or a co-processor (speed
It may be that using profibus to implement s7unix comms is not the easiest way, google helps:
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with this you'll need CP443-1 card or similar..
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but with this you'll need CP443-1 card or similar..
If they've got Ethernet, S7's also talk RFC-1006, right?
Yes, but I've not seen a RFC-1006 implementation in linux that would talk to S7 .. to my understanding the RFC-1006 in S7 means that they just use RFC-1006 to encapsulate some other protocol that fits into ISO/OSI layered protocol framework but lacks implementation in linux.
There is
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would be a great starting point if siemens would give out documentation to the protocol used inside RFC-1006?
But I not know. I have not really tried to get RFC-1006 connections to work using linux.
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