SINAMICS G120D Control Unit CU250D-2 PN-F (6SL3546-0FB21-1FA0) — a control unit manufactured by Siemens, designed for industrial automation, particularly optimized for distributed drive systems. It supports PROFINET network integration, advanced Safety Integrated functions (STO, SS1, SLS, SSM, SDI), and positioning capability (EPOS). It features 6 digital inputs (DI), 3 fail-safe digital inputs (F-DI), 2 digital outputs (DO), 1 fail-safe digital output (F-DO), 2 analog inputs (AI), USB interface, SD/MMC card interface, and HTL and SSI encoder interfaces. Protection degree IP65, operates without a power module. Packaging dimensions 278x208x90 mm, net weight 0.780 kg. Operating temperature -10 to +50°C (+14 to +122°F). Country of origin: Great Britain. This control unit is designed for use in conveyors, pumps, fans, and applications requiring precise positioning, working in conjunction with SINAMICS G120D power modules.