DDS03.1-W050-DA11-01-FW Bosch Rexroth Indramat
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MPN: R911269177
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The Bosch Rexroth Indramat DDS03.1-W050-DA11-01-FW is a digital AC servo drive controller and part of the DDS Drive Controllers series. It features a rated current of 50 Amps and uses an analog communication interface. The unit supports digital servo feedback and is cooled by air drawn from inside the control cabinet.
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Product Description:
The DDS03.1-W050-DA11-01-FW is a digital AC servo drive controller manufactured by Bosch Rexroth Indramat for the DDS Drive Controllers series. It is installed inside an automation cabinet, where it regulates output current so a matched servo motor can follow velocity or position commands from the machine PLC. By converting low-level command signals into regulated three-phase output, the unit closes the electrical side of the motion control loop for indexing tables, gantries, and material-handling axes. This operating method lets the drive respond quickly to reference changes while maintaining stable motor control during acceleration, deceleration, and holding phases.
This controller exchanges setpoints with the master PLC through an analog interface, so ±10 V reference levels are used for commanded torque or speed instead of a fieldbus link. The power stage can supply a continuous phase current of 50 A, which supports normal-duty motor operation and gives the connected servo motor enough current for sustained torque production. Heat is removed by internal air cooling, and cabinet air passes across the heat sink without separate ducting, which helps keep panel layout simple. Rotor position is returned through digital servo feedback, giving the drive high-resolution data for commutation, speed evaluation, and operating diagnostics. The unit is part of Line 03 and uses Function ID version 01 for its assigned hardware configuration.
The controller is supplied with firmware ordered separately, so the required software package must be selected for the intended application before the drive can be placed into service. Hardware Version 1 indicates the original release of this drive type and matches the connector layout and mounting form used for that version. This format is common in cabinet-based motion systems where the hardware is installed first and the application package is selected afterward. The controller remains suited to systems that use analog command channels together with encoder-based motor feedback for closed-loop axis control.
