Bosch Rexroth DDS2.1-W025-DA01-00 Digital Servo Drive
Description
Model Definition
DDS2.1: DDS02.1 series for DIAX02 system
W: Internal cabinet convection cooling
025: 25 A continuous, 50 A peak current
DA01: Analog interface (±10 V) + standard firmware
00: Standard hardware revision (no modification)
Technical Specifications
Electrical Parameters
DC bus voltage: 300 V DC ±15% (TVD/TVM supply)
Control power: 24 V DC (20–28 V DC)
Continuous output current: 25 A
Peak output current: 50 A (short-term)
Current loop: 125 μs
Speed loop: 500 μs
Position loop: 2 ms
Power dissipation: ~110 W
Compatible motors: MDD/MKD synchronous, LAR/LAF linear, 2AD series
Mechanical & Environmental
Cooling: Cabinet convection (W)
Protection: IP20 (front), IP10 (unit)
Operating temp: 0 °C to +45 °C (20% derate @55 °C)
Storage temp: -30 °C to +85 °C
Altitude: 1000 m max (35% derate above)
Dimensions (W×H×D): 60 mm × 408 mm × 180 mm
Weight: ~5.5 kg
Interface and Communication Configuration
Motor feedback: X4 dual-channel (digital encoder/resolver)
System bus: Shared 300 V DC bus (multi-axis parallel)
Communication: DA01 analog (±10 V speed/torque command)
Digital I/O: 6 isolated inputs / 3 isolated outputs
Service port: RS232 (IndraWorks setup/diagnosis)
Expansion slots: U1–U5 (fieldbus/I/O modules)
Core Functions
Three-loop control (current/speed/position) for precision
Analog command interface (DA01) for legacy system integration
Compact convection cooling for narrow cabinets
Full protection: overvoltage/undervoltage/overcurrent/short-circuit/overheating
Torque/speed/position control modes
Modular design for easy maintenance/expansion
Standard 00 revision: no custom hardware changes
Application Scenarios
CNC auxiliary axes (analog control)
Printing/textile/packaging machinery
Small assembly/conveying lines
DIAX02 system upgrades (analog required)
General automation with limited cabinet space
Usage and Maintenance
Ensure unobstructed cabinet airflow for cooling
Keep ambient ≤45 °C to avoid performance loss
Complete power/feedback/control wiring before power-on
Parameterize via IndraWorks per motor/load
Clean heat sinks/air passages every 6 months; inspect terminals
Calibrate loops/feedback annually
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