Sinamics S110 Control Unit / Power Supply Module. A power supply module PM340 with an installed control unit CU305 forms a functional Sinamics S110 positioning drive. The servo drive is the perfect basis for modular system and machine concepts. Innovative system architecture and digital communication options. A wide range of control modes and drive-specific technology functions. Integrated safety functions in the motion control drives. Automatic configuration and automatic fine-tuning of the controls.