A series of HMI operating panels for cabinet installation for use in a variety of machine environments. Embedded with 15.5” to 21.5” capacitive multi-touch display with 16 : 9 wide screen ratio. The purpose was to change existing HMI user behavior into being more intuitive and ergonomic. Elegant aluminum housing emphasizes modernity and offers front IP65 protection and a tool free installation design allows workers to panel mount the HMI without any tools. The intelligent key brings more customized possibilities and a flexible user scenario to satisfy individual industry’s needs.