Product Description:

The HDS03.2-W075N-HS75-01-FW is a drive controller built by Bosch Rexroth Indramat for the HDS Drive Controllers series. In an industrial automation cabinet, it links the common DC bus to individual servo axes and converts stored energy into controlled three-phase output. By managing current loops and fault supervision, it allows packaging, printing, and material-handling equipment to execute precisely timed movements demanded by a programmable logic controller. Because the controller regulates motor current in real time, the connected axis can respond quickly to changing loads during indexing, feeding, and positioning tasks.

Setpoints and feedback travel through the optical SERCOS interface, ensuring deterministic communication with neighboring motion modules. Membership in the DIAX04 controller family standardizes parameter numbers and diagnostic codes, so the unit fits other modules in the same platform. Heat generated by the IGBT bridge is removed by a built-in air blower, which helps keep heat-sink temperatures stable even when cabinet airflow is limited. The power electronics can supply a continuous phase current of 75 A, providing headroom for medium-inertia servo motors during fast acceleration and deceleration. The controller is Version 2, with updated gate drivers, improved current measurement resolution, and faster overcurrent shutdown to protect the motor windings and DC link under short-circuit conditions.

Within the multi-axis rack, the unit occupies Line 03, which identifies its design line in the series. It operates as the drive’s high-frequency power stage and interfaces directly with resolver or encoder feedback cards while the system controller handles motion profiling. This arrangement keeps the controller focused on power conversion, current regulation, and protective monitoring during axis operation. Its rack-based format also supports compact multi-axis assemblies where several controllers share the same supply infrastructure.