Manufacturer: SIEMENS Model: 6DD1616-8CA Product Category: Communication Module Interface Type: RS-485 Communication Protocol: PROFIBUSDP Operating Voltage: 24VDC Operating Current: ≤ 0.5A Communication Rate: 9.6 kbps – 12Mbps Protection Class: IP20 Operating Temperature Range: -25 ° C to + 60 ° C ° C storage temperature range: -40 ° C to + 85 ° C The SIEMENS SIMATIC S7-400CPU6DD1616-8CA is a high-performance central processing unit designed for industrial automation control systems.It has powerful data processing ability and real-time control ability, and can meet various needs in complex industrial environment. The module is equipped with an integrated PROFIBUSDP interface for efficient communication with other devices. In addition, it has 16 MB of RAM memory, which can quickly process large amounts of data and ensure the stable operation of the system. The module operates at 24VDC and is stable over a wide temperature range (-25 ° C to 60 ° C).Its compact design makes it easy to install and is suitable for use in environments where space is limited. Whether used in production line automation, process control, or other industrial applications, this CPU delivers superior performance and reliability.