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

Bosch Rexroth DDS02.1-W100-D Digital Servo Drive

Product Description The DDS02.1-W100-D is a high-power modular digital AC servo drive from Bosch Rexroth DDS02.1 series, engineered for heavy-duty industrial motion control. It features cabinet internal air cooling, 100 A rated current, and digital servo feedback, delivering precise, reliable control for high-power synchronous/asynchronous servo motors in demanding environments.

Description

Model Definition

DDS02.1: DIAX02 system servo drive series 02.1

W: Cabinet internal air cooling

100: 100 A continuous rated current

D: Digital servo feedback interface (base unit, no optional feedback module)

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 (at 60 A)

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

Mechanical & Environmental Parameters

Cooling: Cabinet internal air cooling (vertical mounting required)

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

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

Storage temperature: -30 °C to +85 °C

Max altitude: 1000 m (derate above)

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

Weight: Approx. 8.5 kg

Interface and Communication Configuration

Feedback interface: Digital servo feedback (base unit)

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

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

Expansion slots: Reserved for communication/functional modules

Service port: RS232 (IndraWorks parameterization)

Communication module: Factory-assigned (modular expandable)

Core Functions

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

Digital servo feedback ensures high precision and noise immunity.

Compact internal cooling fits tight cabinet layouts.

Modular design supports flexible configuration and easy maintenance.

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)

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.

Operate within 0–45 °C ambient temperature.

Complete DC bus, control power, motor, and feedback wiring before commissioning; configure via IndraWorks.

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

Calibrate control loops every 2 years for sustained stability.


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