v4rev 12018-03-20IEC 61508-2
hardware failure tolerance
0112/2///61987#ABB908
number N where N means that N+1 faults could cause a loss of the safety function
- Used by classes
- 2
- Code
ABB908- Data type
- INT_TYPE
Version history6#
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Metadata#
- Note
- That is the number which indicates the required degree of confidence that a system will meet its specified safety features.
- Source document
- IEC 61508-2
- Version
- 4
- Revision
- 1
- Status
- Standard
- Responsible committee
- SC65E – IEC 61987
- Change request
C00004- Dates
- Original: 2013-09-27
- Current version: 2018-03-20
- Current revision: 2018-03-20