Basic PLC Ladder Programming Examples 19
Basic PLC Ladder Programming Examples 19 Basic PLC Ladder Programming Training Examples for Beginners. Hi friends, here we are starting unique a series of Free Training on PLC Ladder Programming & tutorials. These PLC Ladder Programs are important to learn basics of Ladder programs. PLC Ladder Practice Problem: Entry/Exit Control of the Underground Car Park. · The entry/exit of the underground car park is a single lane passage which needs the traffic lights to control the cars. Red lights prohibit cars entering or leaving while green lights allow cars to enter or leave. · When a car enters the passage from the entry of the ground floor, the red lights both on the ground floor and the basement will be ON, and the green lights will be OFF. Any car entering or leaving is prohibited during the process till the car passes through the passage completely. When the passage is clear...