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 implementation is done.
