Buy and download my eBook: The PID Control Algorithm: How It Works, How To Tune It, and How to Use It. 2nd ed. 62pp Click here to get more details, buy, and download Currently I am owner of Process Control Solutions , which provides consulting services to users of DCSs and other control systems in the Pharmaceutical, Chemical, Power, Pulp and Paper, Textile, and other industries. Due to my experience with the ABB Mod 300 and Advant systems much of my work is related to those systems. A short explanation, with diagrams, of cascade control and the details of its implementatio Suggested Code for the PID Algorithm Tutorial on the PID control loop and tuning (in 6 parts) Buy and download e-books on other subjects, Get more details, buy, and download Brief Explanation of the PID control algorithm John A. Shaw