I Q i/ia ( y R Q H S Figure 2.1: A sample ladder diagram (LD). with R is normally closed. Coils are always attached to the right rail. If power from the left rail can reach the coil, then the coil is energized and the bit associated with it is 1, anbsp;...
|Title||:||Modular finite state machines for logic control|
|Author||:||Eric William Endsley|