Model Definition

DDS03.1: Servo drive series for DIAX02 system

W: Internal cabinet air cooling

050: 50 A short-term peak current, 20 A continuous rated current

D: Digital servo feedback, no communication module

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15%, powered by TVD/TVM power supplies

Control power: 24 V DC (20–28 V DC operating range)

Continuous output current: 20 A

Peak output current: 50 A (short-time)

Current loop cycle: 125 μs

Speed loop cycle: 500 μs

Position loop cycle: 2 ms

Power dissipation: ~140 W (at 20 A)

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

Mechanical & Environmental Parameters

Cooling method: Internal cabinet air cooling

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

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

Storage temperature: -30 °C to +85 °C

Max installation altitude: 1000 m (35% derating above 1000 m)

Dimensions (W×H×D): 60 mm × 408 mm × 180 mm

Weight: ~5.5 kg

Interface and Communication Configuration

Motor feedback: Digital servo feedback interface (compatible with MDD/MKD/LAR motors)

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

Communication: No onboard module; empty slots for optional fieldbus/serial modules

Digital I/O: 6 inputs / 3 outputs (enable, fault, limit signals)

Service port: RS232 for IndraWorks parameter setting/diagnostics

Core Functions

Three-loop control (current/speed/position) for high-precision motion

Digital feedback ensures accurate positioning and fast response

Internal cooling saves cabinet space for dense multi-axis layouts

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

Supports torque/speed/position control modes

Modular design enables flexible communication/function expansion

Application Scenarios

Medium-to-high power CNC machine tool axes

Textile, printing, and packaging machinery

Multi-axis handling robots and automated assembly lines

Retrofit of traditional servo systems requiring digital feedback

Automation equipment with custom communication needs

Usage and Maintenance

Ensure adequate cabinet airflow for cooling efficiency

Keep ambient temperature ≤45 °C to avoid performance derating

Complete power/feedback wiring before power-on

Configure parameters via IndraWorks per field conditions

Clean air ducts/heat sinks every 6 months; inspect terminals

Calibrate control loops/feedback signals annually