safety instrumented system

{
  "id": "MLC-T-CYB-003684",
  "term": "safety instrumented system",
  "field": "Cybersecurity",
  "definition": "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).",
  "abbreviation": "SIS",
  "references": [
    "NIST SP 800-82r3 from ANSI/ISA-84.00.01",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/safety-instrumented-system/"
}