Siemens HMI are the digital panels that are designed for the high performance visualization applications to provide a user friendly interface which makes it very easier to control the large industrial automation units from remote locations. They are available in different variants and models and are also provided with a touch panel and soft buttons to set the working parameters such as speed, RPM, temperature etc. with a single click. Siemens HMI directly connects the operator top the control system of the machines. These tools also provides the visual data to track the production time, trends and tags.