Freelance 2019 Distributed Control System Description

This document describes ABB's Freelance 2019 distributed control system (DCS), highlighting its scalability, usability, connectivity, and security improvements. It details system architecture, controller options (AC 700F, AC 800F, AC 900F), supported fieldbuses (PROFIBUS, Modbus, FOUNDATION Fieldbus, HART), and benefits such as redundancy, small footprint, and cost-effectiveness for process industries.