: Doug McKean; EMC-PSTC Discussion Group
Subject: RE: Definitions - Safety Critical, Safety Circuit
Hi Dough, Group,
I agree that is approach is much more simple to understand,
but most definitions up to now have the problem of defining
A LOT of components as safety critical. The safety critical
ieee.org]On Behalf Of Doug McKean
>>Sent: Thursday, November 08, 2001 4:07 AM
>>To: EMC-PSTC Discussion Group
>>Subject: Re: Definitions - Safety Critical, Safety Circuit
>>
>>
>>
>>Couldn't we just go to the front of the UL1950/60950
>>st
Couldn't we just go to the front of the UL1950/60950
standard and agree that a "safety critical part or device
or circuit or construction" is simply something used
"...
to prevent injury or damage due to:
- Electric shock hazard
- Energy hazards
- Fire hazard
- Mechanical hazard
- Heat
Group,
I pulled these from Cigital labs web site. A good first crack at definitions
that perhaps the "community" could agree on. I am familiar with
MIL-HDBK-882C and have used it on several occasions to evaluate things that
go boom in a loud way. This is generally considered "BAD" by those in c
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