CM-ENS.21S is a communication interface module designed to provide remote diagnostics, monitoring and control of ABB drives. It is designed to allow users to connect to their ABB drive via a variety of field and industrial communication networks such as Profibus, DeviceNet, Modbus, and Ethernet IP. The module also provides simple integration with existing automation systems, allowing users to access all of their ABB drives from one, centralized location. The module is equipped with native support for SRT (Safety Relevant Technologies), as well as Modbus and CANOpen protocols. Additionally, the module's onboard built-in OLED display offers enhanced self-diagnostics, making it easier than ever to monitor, diagnose, and service connected equipment.