As we are not directly affiliated or endorsed by Siemens, Northern Industrial offers customers a choice of new surplus and refurbished 2nd generation SIMATIC HMI Basic Panels. These 4", 7", 9" and 12" operator panels offer sophisticated HMI basic functions are an ideal for simple applications. Northern Industrial provides a full 12-month warranty on both new and refurbished Basic Panels including the KTP400 Basic, KTP700 Basic, KTP900 Basic and KTP1200 Basic. We even offer a fixed price repair service, onsite support and application programming. For more information please drop us an email or call. We'll be happy to help.