The SINAMICS G120D Control Unit CU250D-2 DP-F (6SL3546-0FB21-1PA0) is a control module for Siemens variable frequency drives, featuring PROFIBUS-DP integration, Safety Integrated functions, and positioning capability (EPOS). It includes 6 digital inputs (6 DI), 3 fail-safe digital inputs (3 F-DI), 2 digital outputs (2 DO), 1 fail-safe digital output (1 F-DO), and 2 analog inputs (2 AI). Equipped with USB interface, SD/MMC card slot, and HTL/SSI encoder interfaces. Degree of protection IP65, ambient temperature range 0°C to +55°C. Power module not included. Net weight 0.78 kg, packaging dimensions 278x208x90 mm. Country of origin: Great Britain. This control unit is designed for conveyor systems, industrial automation, and applications requiring precise positioning.