Working but has loud coil whine. The Siemens 6AV2 124-0JC01-0AX0 Simatic HMI TP900 Touch is a high-quality touch panel manufactured by Siemens in Germany. With a 9-inch display screen size, this HMI offers user-friendly interface for control and monitoring of industrial processes. The product belongs to the Simatic model line and is designed for ease of use in various industrial automation applications. While it may have coil whine, it is still a reliable and efficient solution for PLC and HMI needs in the industrial automation industry.
eBay