HDS03.1-W100N-HS55-01-FW Bosch Rexroth Indramat
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The Bosch Rexroth Indramat HDS03.1-W100N-HS55-01-FW is part of the HDS Drive Controllers series and is designed within the DIAX04 controller family. This drive controller features a SERCOS command communication interface and a built-in internal air blower cooling method. It has a rated current of 100 Amps.
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Product Description:
The HDS03.1-W100N-HS55-01-FW is a modular drive controller developed by Bosch Rexroth Indramat for use in the HDS Drive Controllers series. Within an automated plant, this unit supplies regulated power to servo axes and exchanges motion commands with a higher-level PLC, forming part of multi-axis systems where coordinated speed and torque control are required.
It links to the motion control network through the SERCOS fiber-optic interface, so real-time setpoints and diagnostic data pass over a deterministic channel. The controller belongs to the DIAX04 family, meaning it slides into a common backplane beside other DIAX modules and shares the system bus. Thermal management is handled by a built-in internal air blower; this fan forces air across the heat sink and lets the unit be mounted tightly in a cabinet without external ducts. For power handling, its output stage is rated at 100 A, enough headroom for medium-frame servo motors that draw high peak currents during acceleration. The identification code labels the unit as Line 03, indicating the third design iteration of the hardware platform.
This controller is released as Version 1, providing the firmware hooks needed to match the contemporaneous drive topology, and the catalog lists no alternate versions, so spare-part replacement remains straightforward. The type description classifies it as an HDS Drive Controller, aligning firmware, connectors, and cooling profile with the rest of the range. Maintenance staff can reference the parameter list and field diagnostics directly from a Bosch Rexroth Indramat service tool without protocol converters because the same optical link already exposes the needed telegrams.
