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English Translations » 【化工工程交流】 » Regarding the SIS system

Regarding the SIS system

2021-07-07View Original

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Can SIL1 circuit SIS valves and DCS valves be shared?
Reply #22021-07-07
It is recommended to separate them to add an extra layer of security.
Reply #32021-07-12
GB/T 21109.1-2007 Functional safety of safety instrumented systems in the process industry – Part 1: 3.2.3 Basic process control systems do not implement any instrument safety functions with a declared SIL≥1.

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Translated at 2026-07-26 12:47:08

Original: https://bbs.hcbbs.com/thread-3237125-1-1.html

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