PLC Program Star-Delta Starter AC Motor - Free PLC Programming

PLC Program of Star-Delta Starter for AC Motor - Free PLC Programming :-

Here in this PLC programming tutorial we will see only the PLC Programming required to make a Star-Delta Logic. First of all let us

understand the Logic of Star-Delta Starter , In this whenever we push the Start Push Button then our Motor should start in STAR

and after 3-7 seconds it should change to DELTA. So we need 3 numbers of contractors , 2 push button to make the hardware

connections . 1 contractor for MAIN , 1 contractor for STAR , 1 contractor for DELTA and 1 NO type push button for START and

1 NC type push button for STOP.

LOGIC of STAR-Delta Starter for AC/Induction Motor :-

The Main contractor will be ON once we push the START button and STAR contractor will also be on up till 3-7 seconds

(according to time we will set in TIMER) after pushing start push button and after that MAIN and DELTA contractor will be ON .

When we push the STOP button then the MAIN & DELTA contractor will also be OFF.

Download PLC Program START/DELTA