[SystemSafety] COTS display certification

Peter Bernard Ladkin ladkin at rvs.uni-bielefeld.de
Tue Jul 26 19:21:31 CEST 2016



On 2016-07-26 18:33 , jean-louis Boulanger wrote:
> In new OCC system, some vital information are displayed on control screen and this informations is
> SIL x or DAL x.

Sorry, such a statement is a category mistake.

In IEC 61508, safety *functions* get SILs. Information is not a function, therefore information
cannot get a SIL.

PBL

Prof. Peter Bernard Ladkin, Bielefeld, Germany
MoreInCommon
Je suis Charlie
Tel+msg +49 (0)521 880 7319  www.rvs-bi.de





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