Expired50% confidenceFactExact time
IEC 61508 defines four Safety Integrity Levels from SIL 1 to SIL 4, with SIL 4 requiring a probability of dangerous failure per hour of less than 10⁻⁹ (one in a billion).
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
4 Iron Rules of Industrial Agent Development: Why AI Deployments in Factories Are Doomed to Fail
bilibiliAI-Agent开发6/12/2026
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