Product Description:

The HDS03.1-W100N-HS65-01-FW is a modular drive controller from Bosch Rexroth Indramat and is part of the HDS Drive Controllers series. It is intended to coordinate power modules and servo axes in industrial automation systems, supplying the regulation layer that converts digital commands into precisely metered motor motion. Within a multi-axis rack the unit sits beside the shared power supply and neighbouring interface cards, translating position profiles from the machine’s main PLC into current and velocity values that companion drives can execute in real time.

Communication with higher-level control hardware is accomplished via the SERCOS optical bus, a deterministic network that delivers synchronized set-points and status data every millisecond. This interface is explicitly identified as the unit’s command communication interface, so wiring is limited to duplex fibre and a standard ring topology. The controller belongs to the DIAX04 family, meaning its back-plane connectors and firmware structure align with supply modules in the same platform. During operation the internal power bridge can furnish up to 100 A of continuous output current; this rating governs permissible motor phase current and determines cable sizing, breaker selection, and thermal design around the cabinet.

This model employs a built-in internal air blower as its active cooling element; the separate fan channels ambient air across the heatsink, making the cooling method independent of external cabinet ventilation. The controller is catalogued under Line 03, which identifies the performance tier and diagnostic feature set delivered by the electronics, and it is released in Version 1, the initial hardware revision for this line. Because there are no other versions, firmware compatibility, spare-part stocking, and parameter archives remain uniform across all installations that carry this identifier.