burdickjp
I came across this project while looking for an open source PLC solution for a machine center project of mine. It looks really good! I'm wondering if you'd considered conforming to an existing standard form-factor like Eurocard-sized boards using the DIN-41612 VME connector. This would allow the use of off-the-shelf enclosures and busboard with connectors for expanding IO.

https://en.wikipedia.org/wiki/Eurocard_%28printed_circuit_board%29
https://en.wikipedia.org/wiki/DIN_41612

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thiagoralves
I've never heard about the eurocard format. That's a good tip, thanks!
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burdickjp
You're very welcome! I like using Eurocard busboard: http://busboard.com/POW3U
It's available from a bunch of different manufacturers. I like the enclosures which are available for the form-factor as well: http://busboard.com/KBOX3-AN-POW
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