Bosch Rexroth DDS2.1‑A150‑D (DDS02.1‑A150‑D) Digital Servo Drive
Description
Model Definition
DDS2.1: DIAX02 drive series (firmware v2.x)
A: External air cooling (control cabinet airflow)
150: 150 A continuous, 300 A peak current
D: Digital Servo Feedback (DSF) interface (default, no resolver)
Technical Specifications
Electrical
DC bus: 300 V DC ±15% (from TVD/TVM supplies)
Control supply: 24 V DC (20–28 V DC)
Continuous current: 150 A
Peak current: 300 A (short‑term)
Current loop: 125 μs
Speed loop: 500 μs
Position loop: 2 ms
Power dissipation: ~600 W (@150 A)
Compatible motors: MDD/MKD synchronous, LAR/LAF linear, 2AD series
Mechanical & Environmental
Cooling: External blower + heatsink (cabinet air)
Protection class: IP20 (front), IP10 (overall)
Operating temperature: 0 °C to +45 °C (20% derating @55 °C)
Storage temperature: -30 °C to +85 °C
Max altitude: 1000 m (35% derating above)
Dimensions (W×H×D): 150 mm × 408 mm × 180 mm
Weight: ~11 kg
Interface and Communication Configuration
Motor feedback: X4 (digital servo encoder only, DSF; no resolver)
System bus: Shared 300 V DC bus for multi‑axis parallel
Communication: Base unit; options include SERCOS (DS24/37), analog (DA01/02) cards
Digital I/O: 6 isolated inputs / 3 isolated outputs (expandable)
Service port: RS232 (IndraWorks setup/diagnostics)
Expansion slots: U1–U5 (U5 for firmware module)
Core Functions
Three‑loop control (current/speed/position) for high precision
External cooling for 150 A continuous heavy‑duty operation
Factory‑integrated digital servo feedback (D‑type) for plug‑and‑play with DSF motors
Modular card‑based expansion for SERCOS/analog interfaces
Comprehensive protection: over/undervoltage, overcurrent, short circuit, overheat, feedback loss
Torque/speed/position control modes
DIAX02 firmware compatible (FW module ordered separately)
Application Scenarios
High‑power CNC main/spindle axes (heavy cutting)
Heavy‑duty textile, printing, packaging machinery
Large multi‑axis handling robots and assembly lines
High‑torque motion requiring 150 A continuous current
DIAX02 system upgrades (digital feedback axes)
Usage and Maintenance
Ensure cabinet airflow ≥ 450 m³/h for external cooling
Keep ambient ≤45 °C to avoid derating
Complete power/feedback/control wiring before power‑on
Configure via IndraWorks (match motor/load parameters)
Clean heatsink/air passages every 6 months; inspect terminals
Calibrate control loops/feedback annually
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