Bosch Rexroth DDS02.1-W100-DA01-01 Digital Servo Drive
May 29, 2026

Bosch Rexroth DDS02.1-W100-DA01-01 Digital Servo Drive

Product Description The DDS02.1-W100-DA01-01 is a high-power modular digital AC servo drive from Bosch Rexroth (Indramat) DDS02.1 series (DIAX02 system). It features cabinet internal air cooling, 100 A continuous current, DA01 digital+analog feedback interface, and hardware version 01 (with base firmware support). Designed for heavy-duty dynamic motion control, it pairs with MDD/MKD synchronous motors and LAR/LAF linear motors, offering plug-and-play firmware compatibility and seamless integration with legacy analog systems.

Description

Model Definition

DDS02.1: DIAX02 system servo drive series 02.1

W: Cabinet internal air cooling (vertical mounting required)

100: 100 A continuous rated current

DA01: Digital servo feedback + analog interface (DAE01.1, incremental encoder emulator)

01: Hardware version 01, integrated base firmware (DSM02.1-FW included)

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15% (supplied by TVD/TVM power supplies)

Control power: 24 V DC (20–28 V DC)

Continuous output current: 100 A

Peak output current: 200 A (short-term)

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Position loop cycle: 1 ms

Power dissipation: Approx. 380 W

Compatible motors: MDD, MKD, LAR, LAF series servo/linear motors

Mechanical & Environmental Parameters

Cooling: Cabinet internal air cooling (vertical installation mandatory)

Protection class: IP20 (front panel), IP10 (overall)

Operating temperature: 0 °C to +45 °C (derate to 55 °C)

Storage temperature: -30 °C to +85 °C

Max installation altitude: 1000 m (derate above)

Dimensions (W×H×D): 110 mm × 390 mm × 310 mm

Weight: Approx. 7.5 kg

Interface and Communication Configuration

Feedback interface: DA01 (digital servo feedback + analog interface with incremental encoder emulator)

System bus: 300 V DC shared bus (multi-axis capable)

Digital I/O: 8 inputs / 4 outputs (enable, fault, limits, brake control)

Expansion slots: U2/U3/U4 for communication/functional modules

Service port: RS232 (IndraWorks parameterization)

Communication: Analog differential command input + digital servo feedback

Core Functions

High-current three-loop control (current/speed/position) for heavy-load dynamic response

DA01 interface bridges digital precision with analog legacy system compatibility

Integrated firmware (version 01) enables out-of-the-box commissioning without separate FW ordering

Compact internal cooling saves cabinet space; modular design supports flexible expansion

Full protection: overvoltage/undervoltage, overcurrent, short circuit, overheating, feedback loss

Supports torque/speed/position control for high-power motion applications

Application Scenarios

Heavy-duty CNC machine tools (milling/turning centers, grinding machines)

High-power robotics and automated assembly lines

Packaging, printing, and textile machinery

Metalworking and material handling equipment

Multi-axis high-power servo systems and equipment retrofits

Usage and Maintenance

Install vertically with adequate cabinet ventilation; avoid blocking airflow

Operate within 0–45 °C ambient temperature; derate at higher altitudes

Complete DC bus, control power, motor, and DA01 feedback wiring before commissioning

Configure parameters via IndraWorks; firmware pre-integrated (no separate FW module needed)

Clean fan/heat sink every 6 months; inspect terminals and cables periodically

Calibrate control loops every 2 years to maintain stability


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