HDS03.1-W075N-HS04-02-FW
The HDS03.1-W075N-HS04-02-FW drive controller is produced by Bosch Rexroth Indramat. It belongs to the HDS Drive Controllers series within the modular DIAX platform. As a digital axis amplifier, the unit interfaces between a compatible supply module and servo motors, providing regulated power and closed-loop motion commands for multi-axis machine tools and automated handling equipment. In this role, it converts incoming DC-bus power into controlled motor current while supporting closed-loop speed and torque regulation. This arrangement supports precise axis behavior during synchronized machine movement, repeated positioning, and changes in load.
The controller handles a continuous output of 75 A, allowing it to drive medium-to-high power servo axes without derating. Command data are exchanged over the SERCOS optical ring, so parameter data and real-time motion words travel on a deterministic serial bus that can link drives with CNC controls. Thermal management is achieved with a built-in air blower, meaning cooling air is channeled through the heat sink by an onboard fan rather than relying on cabinet airflow. Within the DIAX04 controller family, this unit is identified as Line 03. This designation places the module in the third design line of the platform.
The device is Version 1. It is classified as an HDS Drive Controller and operates as the axis module with compatible supply units and motor feedback cards from the same product range. The front panel includes status LEDs and quick-disconnect power terminals for routine connection and clear status indication. Signal processing, power delivery, and feedback handling are kept within the same module, which helps the controller respond quickly to motion commands from the higher-level control. Its modular layout supports installation in multi-axis cabinets where coordinated motion control is required.
