Bosch Rexroth DDS02.1-A100-DL41-01 Digital Servo Drive
May 29, 2026

Bosch Rexroth DDS02.1-A100-DL41-01 Digital Servo Drive

Product Description The DDS02.1-A100-DL41-01 is a high-power modular digital AC servo drive from Bosch Rexroth DDS02.1 series. It adopts external air cooling design and shared DC bus architecture, rated at 100 A continuous current. This unit is compatible with MDD, MKD synchronous servo motors and LAF, LAR linear motors, and is widely applied to high-load machine tools and industrial automation systems.

Description

Model Definition

DDS02.1: DIAX02 system servo drive series, version 02.1

A: External air cooling

100: 100 A continuous rated current

DL41: PROFIBUS DP communication interface with standard digital feedback function

01: Hardware version 01

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15%, supplied by TVD / TVM power supply unit

Control power supply: 24 V DC (20 V DC to 28 V DC)

Continuous output current: 100 A

Peak output current: 200 A (short-time operation)

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Standard feedback: DSF digital servo feedback

Mechanical & Environmental Parameters

Cooling method: External air cooling

Protection class: IP20

Operating temperature: 0 °C to +45 °C, derating allowed up to 55 °C

Storage temperature: -30 °C to +85 °C

Approximate weight: 16 kg

Interface and Communication Configuration

Control interface: PROFIBUS DP fieldbus

Motor feedback interface: DSF digital servo feedback

System bus: Shared 300 V DC bus for multi-axis connection

Digital I/O: Enable, fault alarm, limit switch signals

Expansion slots: Support additional communication and functional modules

Core Functions

Three-loop closed-loop control including current loop, speed loop and position loop, delivering fast dynamic response and high positioning accuracy.

Stable data transmission and reliable multi-axis linkage via PROFIBUS DP bus.

Modular structure allows flexible expansion of functions and interfaces according to on-site demands.

Comprehensive protection functions against overvoltage, undervoltage, overcurrent, overheating and wire breakage.

Supports torque, speed and position control modes for diverse motion requirements.

Application Scenarios

Heavy-duty CNC machine tools, gantry machines and large lathes

Multi-axis synchronous production lines, industrial robots and injection molding machines

High-load test benches and dynamic simulation equipment

Metallurgical tension control and large-scale printing & packaging machinery

Usage and Maintenance

Install the drive vertically and ensure unobstructed external cooling air duct.

Keep ambient temperature below 45 °C and altitude within 1000 meters during operation.

Complete wiring of DC bus, control power, motor feedback and fieldbus before commissioning, and configure parameters via IndraWorks software.

Clean dust and inspect terminal connections every 6 months. Calibrate control loops once per year for stable operation.


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