Alarm Suppression vs Operator Awareness
Implement state-based, priority-rationalized alarm management to meet functional safety requirements without suppressing safety-critical alerts.
CyberTRIZ analysis · Seveso contradiction FS015 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
Alarm suppression techniques reduce nuisance alarms and improve operator
focus during routine operation. Excessive suppression, however, may
prevent operators from receiving important information during developing
abnormal situations.
The Contradiction
Greater alarm suppression reduces alarm flooding.
Greater alarm visibility improves operator awareness.
Why It Exists
Alarm management systems must distinguish between irrelevant
notifications and genuinely important process deviations without
removing critical information.
Direction
Apply dynamic alarm management, state-based alarming, and priority
rationalization so that alarms remain meaningful throughout changing
operating conditions.