HDS03.2-W075N-HT04-01-FW Bosch Rexroth Indramat
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The Bosch Rexroth Indramat HDS03.2-W075N-HT04-01-FW is a drive controller from the HDS Drive Controllers series and belongs to the DIAX04 controller family. It supports a SERCOS command communication interface, uses a built-in internal air blower for cooling, and has a rated current of 75 Amps.
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Product Description:
The HDS03.2-W075N-HT04-01-FW is a drive controller produced by Bosch Rexroth Indramat for the HDS Drive Controllers series. Within an automation rack, it functions as the coordinating power stage that closes current loops and issues motion commands to connected servo modules, so attached axes can respond quickly to changes in speed, load, and position demand. This allows precise axis control in machine tools, printing presses, and handling systems where synchronized motion must remain stable through repeated operating cycles. Because the controller regulates motor current directly, it supports accurate acceleration, controlled deceleration, and steady running during continuous production.
This controller exchanges setpoints and status data over the optical SERCOS interface, which maintains deterministic timing without discrete I/O cabling and keeps cyclic communication synchronized between the control system and the axis hardware. Its DC bus can deliver up to 75 A of continuous output, so large-frame motors can accelerate under demanding motion profiles without derating. As part of the DIAX04 family, the unit slides into a common backplane that shares logic voltage and fiber routing across multiple axes, which helps organize cabinet wiring. Component heat is removed by a built-in internal air blower that circulates cabinet air through the heat sink instead of relying on external fan hardware. The unit is part of Line 03 in the series.
The controller is Version 2, which supports later drive software blocks. It also supports updated SERCOS telegrams used for cyclic communication and status exchange during operation. Its mechanical dimensions and field wiring points match companion HDS power supply and regenerative modules, so it can be arranged with related units in compact multi-axis drive cabinets. This layout keeps the controller suited for installations where several axes share a common rack structure and communication path.
