![]() The control relay C1 is an internal coil in the PLC. ![]() ![]() The only physical output is Y1 (connected to a lamp). However, one can add a “START” switch to initiate the loop or stop it. IMPLEMENTATION OF A TRAFFIC SIGNALįigure 1: Ladder logic diagram for the oscillator NOTE: No external inputs are required to initiate the oscillator as shown. IMPLEMENTATION OF ALTERNATING (FLASHING) LIGHTS IV. IMPLEMENTATION OF TWO SIMPLE EXAMPLES: (The oscillating lamp, the real-time clock) III. Taylor software for RLL(Relay Ladder Logic) programming. ![]() INTRODUCTION TO THE LAB EQUIPMENT: - Modicon Series Programmable Logic Controllers. LAB 10 INTRODUCTION TO LADDER LOGIC PROGRAMMING This lab consists of four parts: I.
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