Model Definition

DDS2.1: Servo drive series matching DIAX02 system

W: Internal cabinet convection air cooling

025: 25 A continuous rated current, 50 A short-term peak current

DS03: Enhanced SERCOS communication interface

01: Optimized hardware revision for better stability and compatibility

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15%, powered by TVD or TVM power units

Control power supply: 24 V DC, operating range 20 V DC to 28 V DC

Continuous output current: 25 A

Peak output current: 50 A for short-time operation

Current loop cycle: 125 μs

Speed loop cycle: 500 μs

Position loop cycle: 2 ms

Power dissipation: Approximately 110 W

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

Mechanical & Environmental Parameters

Cooling method: Internal cabinet convection air cooling

Protection class: IP20 for front panel, IP10 for the whole unit

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

Storage temperature: -30 °C to +85 °C

Maximum installation altitude: 1000 m, 35% performance derating above 1000 m

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

Weight: Approximately 5.5 kg

Interface and Communication Configuration

Motor feedback: X4 dual-channel interface supporting digital encoder and resolver signals

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

Communication: DS03 SERCOS interface for high-speed real-time transmission and multi-axis synchronization

Digital I/O: 6 isolated inputs and 3 isolated outputs for basic control signals

Service port: RS232 interface for parameter setting and fault diagnosis via IndraWorks

Expansion slots: U1 to U5 for installing additional I/O and functional modules

Core Functions

Current, speed and position three-loop control ensures stable and precise motion performance.

DS03 SERCOS interface delivers reliable bus transmission and strong anti-interference ability.

01 optimized hardware revision improves overall operation stability.

Compact internal cooling structure suits narrow cabinet installation.

Complete protection against overvoltage, undervoltage, overcurrent, short circuit, overheating and feedback signal loss.

Supports torque, speed and position control modes to meet diverse working demands.

Modular design facilitates routine maintenance and function expansion.

Application Scenarios

Multi-axis linkage auxiliary axes of CNC machine tools

Textile, printing and packaging machinery with synchronous operation requirements

Medium-sized automated assembly lines and conveying equipment

DIAX02 system renovation projects adopting DS03 SERCOS bus

Automation equipment with limited cabinet space and high requirements for communication reliability

Usage and Maintenance

Maintain smooth air circulation inside the cabinet to ensure heat dissipation.

Keep ambient temperature below 45 °C to avoid performance degradation.

Complete wiring of power, feedback, bus and control circuits before power-on.

Set parameters and configure bus network via IndraWorks according to actual operating conditions.

Clean heat dissipation components and air passages every six months, and inspect terminal connections regularly.

Calibrate control loops, feedback signals and bus communication status once a year to maintain long-term stable operation.