What do \"identical\" or \"diverse\" mean here?

2007-12-28View Original

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ISA 84.01 states the following regarding sensors. B 1.5.3 For SIL 3, identical or diverse separation between BPCS and SIS is typically needed to meet the required safety integrity. What does identical or diverse mean? This post was last edited by ship200 on 2008-1-8 20:00]

Reply #22007-12-28

I think \"identical or diverse\" doesn’t have any special meaning; it can be translated directly.

Reply #32007-12-28

Then one should understand why isolation? Please ask

Reply #42007-12-28

I’m not too sure about the self-controlled aspects. It seems that “identical or diverse” here should mean something like “single or multiple”; it’s up to the original poster to decide on the exact translation.

Reply #52007-12-28

Isolation that is the same as or different from (the previous text). You need to consider the context to figure it out :)

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What do \"identical\" or \"diverse\" mean here?

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