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Contacts and Coils in PLC Ladder Logic

S Bharadwaj Reddy
The most elementary objects in Ladder Diagram programming are contacts and coils, intended to mimic the contacts and coils of electromechanical relays. Contacts and coils are discrete programming elements, dealing...

PLC Ladder Logic Example

S Bharadwaj Reddy
This topic is a continuous to Relays in Ladder Logic Article. Click here to Read the Previous Article. Here, we will emulate the exact same high-pressure alarm circuit using an...

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