The Harmony ST6 series of HMI displays is specially developed for simple machines where intuitive operation, stylish design and powerful visualizations are important in addition to the price-performance ratio. Besides the existing Basic HMI \(HMIST6\) and the Basic Web HMI \(HMISTW6\), the Harmony ST6 series has now been expanded with a third option, the STM6 Modular HMI \(HMISTM6\).