CODESYS - the IEC 61131-3 automation software

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PostPosted: Mon Apr 17, 2017 9:38 pm 
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Joined: Fri Mar 10, 2017 4:45 am
Posts: 14
I haven't been able to find a BACnet implementation for Schneider SoMachine, so I started working of some software myself. I have the basic program written in ST. Functions like poll for master, etc, and token passing are working, as well as readProperty/writeProperty. The attached screenshot shows a wireshark capture of a BACnet MS/TP network over serial at 38400 baud, passing the token and reading a point.

Is anyone else interested in collaborating on a library for this? The BACnet standard is quite extensive, and I'm starting with just basic read/writes of present values, but I see no reason it couldn't expand into a full implementation with a couple people working on it.

Tim


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