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Siemens S7 - program in C

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

Reply to
E.N
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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

Reply to
Armin Steinhoff

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..

Reply to
Antti Järvinen

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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?

Reply to
Grant Edwards

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.

Reply to
Antti Järvinen

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