Basic Diagram Of Wiring A Plc. The objective is the very same. Wiring Fixed contact Wiring Wiring Circuit closed Circuit open Wiring Contact Wiring Spring Spring Spring Before button is pressed in return position After button is pressed in operating position Spring Circuit open Note 1 Actuate here means to force operation from normal state of rest.
So we will understand that how to wire a PLC. It is easier to create and change a program in a PLC than it is to wire and rewire a circuit. Modifying the application and correcting errors are easier to handle.
Just like on the diagram we start with the stop push-button.
The picture to the right shows an example of what the wiring of a PLC with 4 inputs would look like. Shows which direction power flows through the circuit. Plc wiring - 31 3. But in each of these there are common components and concepts.