Author name: Daniel Reed

Process Control Guide is a practitioner-grounded resource for engineers working with distributed control systems (DCS) and process automation. The site covers DCS architecture, vendor platforms (Emerson DeltaV, Yokogawa CENTUM VP, Honeywell Experion PKS, ABB 800xA, Siemens PCS 7), process control theory, safety instrumented systems, and ISA/IEC standards. Content is written from real plant commissioning, migration, and operations experience across industries including oil & gas, petrochemicals, chemicals, and power generation.

what is a DCS distributed control system architecture diagram showing five-level Purdue model with vendor terminology

DCS Fundamentals

What Is a DCS? The Best Distributed Control System Guide for 2026

Daniel Reed / June 2, 2026

When I first walked into the control room on a large oil and gas mega-project in Asia back in 2018, […]