TL;DR — MES vs ERP vs Historian in 60 words ERP (L4, days-months): business planning, finance, orders, customers — SAP, Oracle. MES (L3, minutes-hours): operations execution, recipes, traceability, OEE — Siemens Opcenter, Aveva, Werum. Historian (L2,...
TL;DR — MES architecture ISA-95 in 60 words ISA-95 (IEC 62264) is the international standard for MES architecture. Five levels: L0 physical process, L1 sensors/actuators, L2 SCADA/PLC, L3 MES (operations), L4 ERP (business). Four operations: production, maintenance,...
TL;DR — Predictive maintenance ML in 60 words Predictive maintenance combines condition monitoring (vibration ISO 10816/20816, acoustic, thermal, oil ISO 4406) with machine learning models trained on time-series sensor data. Standards ISO 17359 (CBM principles), ISO...
TL;DR — IEC 62443-3-3 in 60 words IEC 62443-3-3:2013 specifies System Security Requirements (SR) for IACS, organized by 7 Foundational Requirements (FR1-7). Each FR contains 1-4 SR per Security Level (SL1-4), totaling 100+ technical controls. Most-referenced document...
