SINAMICS G120D Control Unit CU250D-2 PN-F PP (6SL3546-0FB21-1FB0) — a control unit manufactured by Siemens, designed for industrial automation, particularly optimized for distributed drive systems with a push-pull power supply design. 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), SD/MMC card interface, and HTL and SSI encoder interfaces. No USB interface, unlike other CU250D-2 models. Protection degree IP65, operates without a power module. Packaging dimensions 135x175x242 mm, net weight 1.320 kg. Operating temperature 0 to +50°C (+32 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.