Sinamics S110 Control Unit / Power Module A Power Module PM340 (705-9210, 705-9226 or 705-9239) with a mounted Control Unit CU305 (705-9214) form 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. Broad range of control modes and drive-specific technology functions. Safety functions built into the motion control drives. Auto-configuration and auto-tuning of controls. Siemens Sinamics S120 Range