Curiousity re PLC and Zero-point Data Transfer

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Curiousity re PLC and Zero-point Data Transfer


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The first PLC, (by Bedford Associates), was donated to the Smithsonian Institute some years ago. The technology is very mature.

I'm surprised by how few electricians are involved in its' installation, repair, troubleshooting and maintenance for something that's been around since the early '90's. :smile:
 
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