Model Definition

• DDS02.1: DIAX02 system servo drive series 02.1

• W: Cabinet internal air cooling

• 025: 25 A continuous rated current

• DA01: Analog interface + digital servo feedback (DSF)

• 01: Hardware version 01

Technical Specifications

Electrical Parameters

• DC bus voltage: 300 V DC ±15% (from TVD/TVM power supplies)

• Control power: 24 V DC (20–28 V DC)

• Continuous output current: 25 A

• Peak output current: 50 A (short-term)

• Current loop cycle: 62.5 μs

• Speed loop cycle: 250 μs

• Position loop cycle: 1 ms

• Feedback: High-resolution DSF digital servo feedback

• Power dissipation: ~80 W

Mechanical & Environmental Parameters

• Cooling: Cabinet internal air cooling (vertical mounting required)

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

• Operating temperature: 0 °C to +45 °C (derate to 55 °C)

• Storage temperature: -30 °C to +85 °C

• Max altitude: 1000 m (derate above)

• Weight: ~8 kg

• Dimensions (W×H×D): 110 mm × 390 mm × 310 mm

Interface and Communication Configuration

• Control interface: Analog (±10 V) for torque/speed/position control

• Motor feedback: DSF digital servo feedback

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

• Digital I/O: 8 inputs / 4 outputs (enable, fault, limits, brake)

• Expansion: Slots for communication/functional modules

• Service port: RS232 (IndraWorks for parameterization)

Core Functions

• Current/speed/position three-loop control for high dynamic response

• Analog interface enables seamless connection to legacy controllers

• DSF feedback ensures high positioning accuracy and noise immunity

• Modular design for flexible expansion and easy maintenance

• Comprehensive protection: Overvoltage, undervoltage, overcurrent, short circuit, overheating, feedback loss

• Supports torque, speed, position control modes

Application Scenarios

• Medium-sized CNC machine tools

• Printing, textile, packaging machinery

• Light-duty multi-axis synchronous lines

• Robotics and material handling

• Retrofits for analog-controlled automation systems

Usage and Maintenance

• Install vertically with adequate cabinet ventilation

• Operate within 0–45 °C ambient temperature

• Complete DC bus, control power, motor/feedback cabling before commissioning

• Configure parameters via IndraWorks

• Clean fan/heat sink every 6 months; inspect terminals regularly

• Calibrate control loops every 2 years