HDS03.2-W075N-HA25-01-FW
The HDS03.2-W075N-HA25-01-FW drive controller is produced by Bosch Rexroth Indramat and belongs to the HDS Drive Controllers series. As a modular power section for multi-axis automation platforms, it delivers regulated three-phase power to synchronous or asynchronous servomotors. Within an industrial cell, the unit accepts motion commands from a higher-level PLC and converts them into controlled motor currents, enabling coordinated axis positioning and speed regulation across material-handling, packaging, or machining equipment. Its modular format allows it to operate as one axis component within a larger rack-based drive system.
The control section exchanges setpoints through an analog command communication interface, so the upstream controller sends ±10 V velocity or torque references that the drive samples directly instead of relying on a digital command channel. Inside the drive rack, this HDS module is assigned to Line 03, which indicates mechanical dimensions and backplane pinout consistent with third-generation cards. Thermal management relies on a built-in air blower that channels enclosure air across the power transistors to reduce heat buildup when the unit operates at its continuous rating. The power stage can deliver up to 75 A of regulated output current, and the module is part of the DIAX04 family used in multi-axis control systems.
The drive is Version 2, which includes the faster current regulator and enhanced status telegrams introduced after the first release. During operation, the inner current loop samples phase feedback every 62 µs, so command steps received through the analog voltage interface are reproduced at the motor terminals with minimal delay. This fast control update helps the axis respond quickly to load changes during acceleration, deceleration, and steady-speed operation. It also supports stable current regulation when the motor is asked to follow frequent command changes from the higher-level control system.
