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PLC Example with Switches

S Bharadwaj Reddy
For example, the LED in this circuit will turn on if the liquid level rises above 14 inches and the pressure falls below 22 PSI and either the flow is...

Programmable Logic Controller (PLC) Questions and Answers – 1

S Bharadwaj Reddy
Suppose we have a PLC connected to three pushbutton switches as shown in this illustration: In the above diagram : X1 to X4 : Digital Inputs Y1 to Y4 :...

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