SIMATIC ET 200SP, spare part 5 covers for bus adapter interface of the ET 200SP CPU SIMATIC ET 200SP is a multifunctional IO system for a wide range of applications. It is finely scalable and designed for installation in a compact control cabinet. ET 200SP supports a variety of communication protocols and, thanks to its high speed and data rate, ensures significantly better performance than conventional systems. It also offers the option of directly connecting a 2-, 3- and 4-wire sensor or actuator.