On a discrete input system, H & L can also be used as control points while HH and LL can be shutdown or alarm points. On an analog & discrete system then H & L can define your process limits that can't be exceeded for control purposes leading to many different decisions based ...

Thank you very much on all the comments and suggestions from all of you!!! It's been of Great help to me!!! Thank you all, and Thank you ISA!!! ------------------------------ Samuel Ko Works Supervisor I (Instrumentation) Water Supplies Department, HKSARG Kowloon City ---- ...

Christiam - not addressing your question but, I am passionate about C&Es. We've created an expert system that automatically generates C&Es and positions them to be query able for the end user post-project delivery. One can create a unit operation template, which includes SIFs ...

Hello Mr James: Thank you for considering this topic in the future. At least in my case, I joined ISA just late last year, and I hope to help in improving or giving feeback at least in the topics which I believe I have experience enough. Cheers! ------------------------------ ...

Welcome Maxwell! You have come to the right place if you are looking to advance your skills and knowledge in automation. You will get a lot of great advice from experts in this discussion forum, and you can buy authoritative books and guides from the ISA bookstore. Make sure ...