Study the control schematic (Figure 3-4) and the wiring diagram (Figure 3-6) until this process becomes clear. ... Now that we have a background in this type of logic, we will introduce the solid-state and PLC technology that is replacing it.
|Title||:||Programmable Controllers & Designing Sequential Logic|
|Author||:||Robert Filer, George Leinonen|
|Publisher||:||Harcourt College Pub - 1992|