DCS Versus PLC: A User's Guide To Selecting The Most Effective Control Platform For Your Application

By Bill Butler and Jim Hazelwood, Revere Control Systems

Introduction

Distributed control systems (DCSs) and programmable logic controllers (PLCs) are not mutually exclusive technologies. When the end-use application serves as the basis for making a sound decision, the selection process becomes more efficient, and a more effective outcome results. This white paper provides general guidelines and highlights key considerations when choosing a control system platform. While the details of each application are critical to the selection process, use the following as a guide when designing, specifying, and implementing controller technology.