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PLC based 4 Way Traffic Light Control System

S Bharadwaj Reddy
We most often come across four way traffic jam in our city. This PLC ladder logic gives the solution to control city traffic  using programmable logic control. 4 Way Traffic

PLC Timer Instructions

S Bharadwaj Reddy
A timer is a PLC instruction measuring the amount of time elapsed following an event. Timer instructions come in two basic types: on-delay timers and off-delay timers. Both “on-delay” and

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