Basic Lift Circuit (Four floors)

This is basic lift circuit. when press P1 push button lift starts to work 1st floor to 2 nd floor. Then after time duration it is automatically reach to 3 rd floor. And samething happen in 3rd floor & 4 th floor.

We can do it mannually also by using P2 , P3 , P4 , P5 , P6 .
P2 -:4 - 3 floor
P3 -: 3 - 4 floor
P4 -: 2 - 3 floor
P5 -: 3 - 2 floor
P6 -: 2 - 1 floor