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:
Providing lubricant for the gear box before the lathe spindle starts to run which aims to ensure that the oil pump motor starts first and the main motor starts subsequently
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| PLC Ladder Programming Practice Problem4 |
Topics Covered in this example is Conditional Contacts Ladder Program.
Number of PLC Inputs Required
X0 � START pushbutton to Start Oil Pump Motor
X1 � START pushbutton to Stop Main Motor
X2 � STOP pushbutton to Stop Oil Pump Motor
X3 � STOP pushbutton to Stop Main Motor
Y0 � Oil Pump Motor
Y1 � Main Motor
PLC Ladder Programming:
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| PLC Ladder Programming Practice Problem 4 |
PLC Ladder Programming Description:
- This program is a typical application of the conditional control circuit. Y0 = ON when Oil Pump START button is pressed. Therefore, the oil pump will start to provide lube for the gear box of main motor(Y1)
- Under the precondition of the operating state of the Oil pump, the main motor (Y1) will be ON when the Main motor START button is pressed.
- During the operation of main motor (Y1), oil pump (Y0) needs to provide lube continuously.
- The oil pump will be stopped when Oil pump STOP button X2 is activated, and the main motor will be stopped when Main motor STOP button X3 is activated.
Note: Example is only for training purposes. No practical implementation is done.
See More PLC Ladder Programming Examples
See More PLC Ladder Programming Examples
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