Model Definition

DDS3.1: Third‑generation servo drive series for DIAX03 systems

W: Internal cabinet convection air cooling

050: 50 A continuous rated current, 100 A short‑term peak current

D: Digital servo feedback interface (e.g., EnDat, HiRes)

Technical Specifications

Electrical Parameters

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

Control power: 24 V DC (20–28 V DC)

Continuous output current: 50 A

Peak output current: 100 A (short‑term)

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Position loop cycle: 1 ms

Power dissipation: ~750 W

Compatible motors: MDD/MKD synchronous servo motors, LAR/LAF linear motors, 2AD series

Mechanical & Environmental

Cooling: Internal cabinet convection

Protection class: IP20 (front), IP10 (unit)

Operating temperature: 0 °C to +45 °C; 20% derating at 55 °C

Storage temperature: -30 °C to +85 °C

Max altitude: 1000 m; 35% derating above 1000 m

Dimensions (W×H×D): 120 mm × 408 mm × 180 mm

Weight: ~5.5 kg

Interface and Communication Configuration

Motor feedback: X4 interface for digital servo signals (EnDat/HiRes)

System bus: 300 V DC shared bus for multi‑axis parallel connection

Communication: U1–U5 slots for optional SERCOS, PROFIBUS, CANopen modules

Digital I/O: 6 isolated inputs, 3 isolated outputs

Service port: RS232 (IndraWorks for setup/diagnostics)

Expansion: Empty slots for I/O and function modules

Core Functions

High‑speed three‑loop control for fast dynamic response

Digital feedback ensures high positioning accuracy and noise immunity

Internal convection cooling suits compact cabinet layouts (no extra cooling)

Comprehensive protection: overvoltage, undervoltage, overcurrent, short circuit, overheating, feedback loss

Supports torque/speed/position control modes for high‑load applications

Modular design simplifies maintenance and expansion

Application Scenarios

High‑load main axes of CNC machine tools and multi‑axis linkage

Heavy‑duty textile, printing, and packaging machinery

Automated assembly lines, material handling, and conveying equipment

DIAX03 system upgrades requiring digital feedback

Automation equipment with limited cabinet space and convection cooling

Usage and Maintenance

Ensure unobstructed cabinet airflow for effective heat dissipation

Keep ambient temperature ≤45 °C to avoid performance loss

Complete all power/feedback/bus/control wiring before power‑on

Set parameters and tune loops via IndraWorks based on operating conditions

Clean heat sinks and air passages, and check terminals every 6 months

Calibrate control loops and digital feedback signals annually