The Bosch Rexroth MPN R911190231 (HDS03.2-W075N) is an HDS drive controller designed for precise position and speed control in automation applications. It supports use as a main spindle drive or as a servo platform, and is compatible with 2AD asynchronous and 1MB frameless motors. Modular slots allow for the integration of communication, plug-in, and software modules, including HSM and ARCNET options. Key specifications include an internal air blower cooling method, rated current of 75 A, input voltage range of 530–670 V, input frequency of 50–60 Hz, maximum input current of 37 A, maximum output current of 40 A, output frequency up to 1000 Hz, maximum output voltage of 500 V, protection category IP10, and a mass of 11 kg. It operates within an ambient temperature range of 5 °C to 45 °C and up to an altitude of 1000 meters.