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

• DA01: Analog interface module (±10 V control signal)

• 01: Hardware revision 01

Technical Specifications

Electrical Parameters

• DC bus voltage: 300 V DC ±15% (powered by TVD/TVM 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 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 interface: DA01 analog module (±10 V speed/torque command)

• 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

• DA01 analog interface enables direct connection to analog controllers (±10 V)

• 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 allows fieldbus/serial module retrofitting

Application Scenarios

• Medium-to-high power CNC machine tool axes

• Textile, printing, and packaging machinery

• Multi-axis handling robots and automated assembly lines

• Automation equipment with analog control systems

• Retrofit projects of traditional analog servo systems

Usage and Maintenance

• Ensure adequate cabinet airflow for cooling efficiency

• Keep ambient temperature ≤45 °C to avoid performance derating

• Complete power/feedback/analog 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