Bosch Rexroth DDS3.1‑W (DDS03.1‑W) Digital Servo Drive
Description
Model Definition (DDS03.1‑WXX‑XXXX‑XX)
DDS3.1 / DDS03.1: Third‑generation DDS servo drive platform (DIAX03 compatible)
W: Internal cabinet convection cooling (no external fan; cabinet airflow)
030/050: 30 A / 50 A continuous current; 60 A / 100 A peak current
D: Digital feedback (EnDat/HIPERFACE); RL01/RL20: Resolver feedback
DSxx: SERCOS interface; DLxx: PROFIBUS; 01/00: Hardware revision
Technical Specifications
Electrical Parameters
DC bus voltage: 300 V DC ±15% (TVD/TVM power units)
Control power: 24 V DC (20–28 V DC)
Continuous current: 30 A (030) / 50 A (050)
Peak current: 60 A / 100 A (<1 s)
Current loop: 62.5 μs (faster than DDS02.1)
Speed loop: 250 μs
Position loop: 1 ms
Power dissipation: ~450 W (030) / ~700 W (050)
Compatible motors: MDD/MKD synchronous, LAR/LAF linear, 2AD/ADF series
Mechanical & Environmental
Cooling: Internal convection (W; cabinet ventilation only)
Protection: IP20 (front), IP10 (unit)
Operating temp: 0 °C to +45 °C (20% derating @55 °C)
Storage temp: -30 °C to +85 °C
Max altitude: 1000 m (35% derating above)
Dimensions (W×H×D): 120 mm × 408 mm × 180 mm (030); 150 mm × 408 mm × 180 mm (050)
Weight: ~5.5 kg (030); ~7.0 kg (050)
Interface & Communication Configuration
Motor feedback: X4 dual‑channel (digital EnDat/HIPERFACE or resolver)
System bus: Shared 300 V DC bus for multi‑axis parallel
Communication: SERCOS (DSxx), PROFIBUS (DLxx), CANopen via U1–U5 slots
Digital I/O: 6 isolated inputs / 3 isolated outputs
Service port: RS232 (IndraWorks setup/diagnostics)
Expansion: U1–U5 for I/O, fieldbus, or single‑axis positioning modules
Core Functions
High‑speed three‑loop control (62.5 μs current loop) for ultra‑dynamic response
Dual feedback support: Digital (high precision) or resolver (harsh environment)
Convection cooling for compact cabinet installation (no external fans)
Multi‑axis synchronization via SERCOS (DSxx) for tight motion coordination
Comprehensive protection: Overvoltage/undervoltage/overcurrent/short‑circuit/overheating/feedback loss
Control modes: Torque/speed/position (with single‑axis positioning option)
Modular design for easy maintenance and axis expansion
Application Scenarios
High‑speed CNC main axes and multi‑axis machine tools
Printing, textile, and packaging machinery requiring precise synchronization
Robotics, gantry systems, and automated assembly lines
DIAX03 system upgrades (replacing DDS02.1 for higher dynamics)
Cabinet‑space‑constrained equipment with convection‑only cooling
Usage & Maintenance
Ensure ≥50 mm clearance around unit for unobstructed cabinet airflow
Keep ambient ≤45 °C; monitor heat sink temperature
Complete power/feedback/bus wiring before power‑on; torque terminals to spec
Configure via IndraWorks: Match motor parameters, tune loops, set up fieldbus
Clean heat sinks/air passages every 6 months; inspect terminals for corrosion
Calibrate loops, feedback, and communication annually for long‑term stability
Get a Quote