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Basic PLC Ladder Programming Examples 17

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Basic PLC Ladder Programming Examples 17 Basic PLC Ladder Programming Training Examples for Beginners.  Hi friends here we are starting here a series of Free Training on PLC Ladder Programming training & tutorials.These PLC Ladder Programs are important to get basics of Ladder programs.  PLC Ladder Practice Problem:  When the Start push button is pressed both motors must run After 10 Sec motor 1 Stops Motor 2 continues running for another 5 sec and stops At this point a lamp is switched on. After 10 Seconds Lamp goes off and cycle restarts . If stop switch is operated at any time , the system will continue to the end of the cycle and then stop. Topics Covered in this example is Conditional Contacts  Ladder Program. Number of PLC Inputs Required X0 – START pushbutton to Start Motor X1 – STOP pushbutton to Stop Motor Number of PLC Outputs Required Y0 – Motor 1 Y1 – Motor 2 Y2 – LAMP PLC Ladder Programming: Note: Example is only for training purposes. No practical i...

Basic PLC Ladder Programming Examples 19

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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...