ISA-95 and ISA-99: The Complete Technical Guide to Industrial Automation Standards
Deep ISA-95 & ISA-99 reference — Purdue model levels, B2MML, MES-ERP integration, IEC 62443 zones/conduits, and modern UNS-era adaptations.
Programmable Logic Controller (PLC) vs SCADA: Architecture, Roles, and How They Work Together
Clear PLC vs SCADA comparison — scan cycles, IEC 61131-3 languages, HMI integration, DCS vs SCADA, and how both fit into modern industrial architectures.