Revision as of 01:42, 15 January 2026

SIS

A system that is composed of sensors, logic solvers, and final control elements whose purpose is to take the process to a safe state when predetermined conditions are violated. Other terms commonly used include emergency shutdown system (ESS), safety shutdown system (SSD), and safety interlock system (SIS).

Source: NIST SP 800-82r3 | Category:

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