AND Logic on 24 Volt Signals

by Joseph C. Caswell   Last Updated August 06, 2018 16:25 PM

What kind of chip and/or plug and play device could handle multi-input boolean logic with 24 volt signals?

I have three sets of 20 reed switches that each output a 24 Volt signal, and I need to combine them down to simply 3 24 Volt signals using AND logic (where the signal is high only if all reed switches in a given set are also high).

I am currently using a PLC, but I think that is way more functionality and price than I need. I thought about powering each one of the reed switches using the signal wire from the previous one, but I sincerely doubt these reed switches can handle the amperage that would need.

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