ISA-95
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A standard architecture for enterprise and control system integration, consisting of five levels: - Level 0: Actual production process - Level 1: Sensing and control (PLC, sensors) - Level 2: Monitoring and data acquisition (SCADA, HMI) - Level 3: Manufacturing operations management (MES) - Level 4: Business planning and logistics (ERP).
SCAFFOLDING EFFECT
Reduce cognitive load
Clear hierarchy, system integration. ISA-95 defines information exchange standards between different system levels, helping to achieve seamless integration of IT (Information Technology) and OT (Operational Technology).
Anchor fast decisions
A standard architecture for enterprise and control system integration, divided into five levels: L0 actual production, L1 sensing and control (PLC), L2 monitoring and data acquisition (SCADA/HMI), L3 manufacturing operations (MES), L4 business planning (ERP). The mechanism is **clear hierarchy, IT/OT integration** — defining information exchange standards at each level to achieve seamless integration from the shop floor to the decision-making level.
MINIMUM ACTION
In progress 0/4Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/ANSI/ISA-95verified
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