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by poplar598
Sun Apr 30, 2017 12:56 pm
Forum: Automation, sensing and robotics
Topic: PLC Alternative for Dry Contact
Replies: 10
Views: 2114

Re: PLC Alternative for Dry Contact

Thanks Doug!
Too cool. A Beet Box? Good thing it wasn't a Boom Box! I'm thinking about maybe making an HTPC.
by poplar598
Sat Apr 22, 2017 1:36 pm
Forum: Automation, sensing and robotics
Topic: PLC Alternative for Dry Contact
Replies: 10
Views: 2114

Re: PLC Alternative for Dry Contact

I am looking for a good excuse to buy my first Pi. I'm sure there are a million things I can try with it.
by poplar598
Fri Apr 14, 2017 3:01 pm
Forum: Automation, sensing and robotics
Topic: PLC Alternative for Dry Contact
Replies: 10
Views: 2114

Re: PLC Alternative for Dry Contact

Thank you Doug and boyoh for your thoughts. It is an industrial application, so maybe the PLC does make sense. I would be setting up the Pi, but if I were hit by a bus, my replacement would probably fare better repairing a PLC, unless I left adequate documentation. A low cost PLC would work out simi...
by poplar598
Sun Feb 12, 2017 2:02 pm
Forum: Automation, sensing and robotics
Topic: PLC Alternative for Dry Contact
Replies: 10
Views: 2114

PLC Alternative for Dry Contact

Hi, I'm wondering if a Rasberry Pi could replace a PLC (Programmable Logic Controller) for machine control. I need three inputs, each sensing 14v AC. If either of the inputs sees 14 v, I need an output of dry contact pulses (like you would get from a water meter). Further, I need to be able to vary ...

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