The SIMATIC IOT2000 is the reliable open platform for collecting, processing and transferring data in the production environment. It is ideally suited as gateway between the cloud or the company IT level and production. The role as an interface can be used in both directions. It also transfers analyzed data from the cloud to the production control. This continuous data communication closes the control loop for optimization of production. The openness of the system in supporting numerous communication protocols and programming in high languages enables customized solutions.