CODESYS - the IEC 61131-3 automation software

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PostPosted: Mon Mar 16, 2015 1:45 am 
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Joined: Fri Nov 30, 2012 9:03 am
Posts: 14
Hi,
not sure if this is the correct location to post.
I have a Bosch Rexroth PLC L45 which i program in codesys. The PLC has inbuilt OPC DA server. I need to connect it to a raspberry pi running python (so the pi is the OPC client). Does anyone have experience with any ready-built libraries i can use on the pi?
I found http://openopc.sourceforge.net/about.html but unsure if this is what i need.

Many Thanks


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PostPosted: Thu Mar 19, 2015 4:54 am 
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Joined: Fri Nov 30, 2012 9:03 am
Posts: 14
Hi All
found another way. On my plc i added a modbus TCP slave device using codesys. I then found some great software at https://code.google.com/p/pymodbus/
which enables "full Modbus protocol implementation" written in python. This runs well on my pi.
Thanks


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