This book is oriented to the people that work on and troubleshoot PLCs on the factory floor. It is directed at the actual problems and conditions that will be encountered within a realistic setting. The text is designed to present a clear, concise picture of how PLCs operate to the person that wishes to learn more about them.You have overflow bits and underflow bits and all kinds of bits, but by and large the Done and Enable bits are used in the vast majority of cases. They are the ones that you will be using. Example of a Light Chaser Circuit Figure 6.5. The bestanbsp;...
|Title||:||Introduction to PLCs|
|Author||:||Jay F. Hooper|