Jonas, Monitoring of a Thief hatch or the position of any other mechanical device by a proximity switch does not necessitate instrumentation taagging or symbology for the mechanical device. Per iSA-5.1, the proximity switch would be identified by an instrument bubble with a ...

I tend to agree with referring to HH and LL as trips (higher priority), and can talk particularly in the context of battery storage power plants where the Battery Management System (BMS) incorporates various safety alarm levels. When a trip-either High-High (HH) or Low-Low (LL)-is ...

Mike, It sounds like an interesting and time-saving solution. I would be interested in reviewing and providing feedback if needed. The best regards, Charlie ------------------------------ Charlie Souza Functional Safety & ICS Cybersecurity Lead AcuTech Consulting Group ...

Rajshekhar, As far as I know the aviation industry uses a variety of electronic communication standards to ensure safe and efficient data exchange between aircraft and ground systems. There are two major categories. Air Traffic Management (ATM) Communication Protocols: ...

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 ---- ...