The SINAMICS G120D Control Unit CU240D-2 PN-F FO (6SL3544-0FB21-1FC0) is a control module for Siemens variable frequency drives, featuring PROFINET integration and safety functions via fiber-optic cable in a push-pull version. 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 an HTL encoder interface. Degree of protection IP65, ambient temperature range 0°C to +45°C. Power module not included. Net weight 1.5 kg, packaging dimensions 135x175x242 mm. Country of origin: Great Britain. This control unit is designed for conveyor systems and industrial automation, ensuring reliable communication in harsh electromagnetic environments.