Category 4 Safety circuits

smcmanus · Aug 27, 2006

Looking to learn more on Category 4 Safety circuits. Anyone have a good link?

Thanks

rPraveenkum · Aug 28, 2006

CAT - 4 & SIL 3 are same safety levels

Here is a good link

http://www.riese-electronic.de/englisch/Risi.pdf#search=%22safety%20Category%204%20standard%20SIL%22

jolio ST · Aug 28, 2006

I am unsure about the guidelines used in Canada but hope what I have attached is useful for a reference.:nodi:

regards

Sherine T.

smcmanus · Aug 31, 2006

Thanks for the links. Any more information on Safety circuits and category's would be appreciated.

Doug_Adam · Aug 31, 2006

These guys have some good information:
http://www.pilz.com/isapi/english/default.asp

They used to have a good handbook available, but it seems not any more.
However, this link may help:
http://www.pilz.com/english/service/guidelines/1641.htm

Alan Case · Sep 1, 2006

Sil 3 and Category 4 are not necessarily directly related. The company that published the brochure in the link (Riesse Electronics) are way off base with the statements they have made. I have nit the time to explain it at present but sometimes published inforamtion is just dead wrong.
Regards Alan Case

smcmanus · Sep 9, 2006

yeah I can't seem to find any information or samples.

Category 4 Safety circuits

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