The Allen Bradley 20-COMM-S is a Modbus/RTU communication adapter engineered for seamless integration with PowerFlex 70 and PowerFlex 700 series drives. Designed to enable efficient serial communication, this module allows PowerFlex drives to connect and exchange data with Modbus/RTU networks, providing reliable interoperability with a wide range of automation controllers and systems. Built for durability and consistent performance, the 20-COMM-S supports precise control, diagnostic monitoring, and parameter adjustment through a standardized communication protocol. In North America, Europe, Asia, and worldwide installations, this communication adapter may possibly be utilized in industrial environments requiring stable Modbus/RTU connectivity, dependable PowerFlex network integration, and flexible serial communication performance.