Emerson DeltaV KJ2003X1-B1 MD Plus Controller is a module used in the Emerson DeltaV distributed control system (DCS). This controller module is designed to provide advanced control capabilities and is commonly used in industrial automation and process control applications.

The KJ2003X1-BB1 MD Plus Controller offers features like advanced control algorithms, high-speed processing, and robust communication capabilities. It is typically used for process control tasks such as regulating temperature, pressure, flow, and other critical parameters in industrial processes.