Basic PLC Ladder Programming Examples 4

Basic PLC
Ladder Programming Training Examples for Beginners.

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.

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
PLC Ladder Programming Practice Problem4

Topics Covered in this example is Conditional Contacts Ladder Program.
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

Number of PLC Outputs Required

Y0 – Oil Pump Motor
Y1 – Main Motor

      Some like our blog to get many issues
of computer you can visit our suggested to get best
Guide For Windows 10 also
many issue of internet.

PLC Ladder Programming:

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


Leave a Reply