For a booklet on PID control without the math refer to web page
formatting link
. It describes the Second Edition of Controller Tuning and Control Loop Performance, a Primer, by David W. St. Clair, which has sold 29,831 copies to date. The cash discounted price is $17 if sent to the US.That page links to one about companion software ($11).If you have trouble reaching that site or would rather not bother, you may e-mail me for the information.
snipped-for-privacy@aol.com. Straight-Line Control Co., Inc.