Manufacturer: SIEMENS Product Model: 6 ES5945-7UA21 Module Type: CPU945 Processor Module Input Voltage: 24VDC Program Storage Capacity: 256KB Operating Temperature Range: -25 ° C to + 60 ° C Dimensions: 140mm X 130mm X 100mm Weight: approx. 1.5kg This SIEMENS 6ES5945-7UA21CPU945 processor module is the core component of SIMATIC S5 series control system, which has excellent computing performance and stability.Its memory capacity is up to 256KB, which can efficiently process large amounts of data and ensure the stable operation of the system. The module supports 24VDC power supply and is suitable for various industrial environments. At the same time, it is capable of operating over a wide temperature range of -25 ° C to + 60 ° C, making it suitable for severe operating conditions.In addition, the module has a compact design, measuring only 135mm X 110mm X 90mm and weighing about 1.2kg, making it easy to install and maintain. Through seamless integration with other components of SIMATIC S5 series, the module can achieve efficient industrial automation control, which is widely used in manufacturing, energy industry and various industrial production scenarios.