Write a PLC program to perform the following:
a. Turn on pilot light 1 (PL1) if the thumbwheel switch value is less than 4.
b. Turn on pilot light 2 (PL2) if the thumbwheel switch value is equal to 4.
c. Turn on pilot light 3 (PL3) if the thumbwheel switch value is greater than 4.
d. Turn on pilot light 4 (PL4) if the thumbwheel switch value is less than or equal to 4.
e. Turn on pilot light 5 (PL5) if the thumbwheel switch value is greater than or equal to 4.





