this is PLC ex i would like someone to answer it with fully

this is PLC ex i would like someone to answer it with fully explaination??

Solution

exercise 1 a:

for switch on the circuit

close all the switches (fuse, stop_a, stop_bb) and either of start_A or start_b or contact

similarly in the

eercise 1b.

for switch on the circuit

close all the switches (fuse, stop_a) and either of start_A or start_b or contact or stop_b