Bosch Rexroth DDS02.1-W050-DL01 Digital Servo Drive
May 29, 2026

Bosch Rexroth DDS02.1-W050-DL01 Digital Servo Drive

Product Description The DDS02.1-W050-DL01 is a modular digital AC servo drive from Bosch Rexroth DDS02.1 series. It adopts cabinet internal air cooling and features 50 A continuous output current with DL01 digital logic interface. Optimized for cabinet installation, it delivers reliable motion performance for medium-power industrial automation systems.

Description

Model Definition

DDS02.1: Servo drive series 02.1 for DIAX02 system

W: Cabinet internal air cooling

050: 50 A continuous rated current

DL01: Digital logic control interface

01: Interface version 01

Technical Specifications

Electrical Parameters

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

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

Continuous output current: 50 A

Peak output current: 100 A for short-term operation

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Position loop cycle: 1 ms

Motor feedback: Standard DSF digital servo feedback

Power dissipation: Approx. 150 W

Mechanical & Environmental Parameters

Cooling method: Cabinet internal air cooling, vertical installation required

Protection class: IP20 on front panel, IP10 overall

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

Storage temperature: -30 °C to +85 °C

Maximum installation altitude: 1000 m, performance derating required above this height

Approximate weight: 8.5 kg

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

Interface and Communication Configuration

Control interface: DL01 digital logic interface

Motor feedback interface: DSF digital servo feedback

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

Digital I/O: 8 digital inputs and 4 digital outputs for enable, fault alarm, limit switch and brake control

Expansion slots: Multiple slots for optional communication and functional modules

Service port: RS232 port for parameter setting via IndraWorks software

Core Functions

Three-loop control of current, speed and position ensures fast dynamic response and high positioning accuracy.

DL01 digital logic interface realizes stable signal transmission and simple logic control connection.

Built-in cooling structure fits compact cabinet layout and saves installation space.

Modular design supports flexible function expansion and convenient on-site maintenance.

Comprehensive protection against overvoltage, undervoltage, overcurrent, short circuit, overheating and feedback signal loss.

Supports torque, speed and position control modes to meet various medium-power motion demands.

Application Scenarios

Medium-sized CNC machine tools and processing equipment

Medium-load automated production lines and handling equipment

General industrial machinery equipped with digital logic controllers

Packaging, woodworking and light metallurgical automation equipment

On-site renovation projects for digital control systems

Usage and Maintenance

Install the drive vertically and ensure adequate ventilation inside the cabinet.

Keep ambient temperature below 45 °C during operation.

Complete wiring of DC bus, control power, motor cable, feedback cable and digital logic lines before commissioning. Configure parameters via IndraWorks software.

Clean internal fan and heat sink every 6 months, and inspect terminal connections regularly. Calibrate control loops every 2 years to maintain stable operation.


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