Model Definition

DDS2.1: Servo drive series compatible with DIAX02 system

W: Internal cabinet convection air cooling

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

DS01: Standard SERCOS fiber-optic communication interface

01: Optimized hardware revision for enhanced stability and compatibility

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15%, supplied 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: DS01 SERCOS interface for high-speed real-time data 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 delivers stable and high-precision motion performance.

DS01 SERCOS bus ensures fast data exchange and precise synchronization of multiple axes.

Optimized 01 revision improves operation stability and anti-interference capability.

Compact internal cooling structure fits narrow cabinet installation.

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

Supports torque, speed and position control modes for various working conditions.

Modular structure simplifies maintenance and function expansion.

Application Scenarios

Multi-axis linkage auxiliary axes of CNC machine tools

Textile, printing and packaging machinery needing synchronous operation

Medium-sized automated assembly lines and conveying systems

DIAX02 system upgrade projects with SERCOS bus configuration

Automation equipment with limited cabinet space and strict communication stability requirements

Usage and Maintenance

Keep unobstructed air circulation inside the cabinet to ensure heat dissipation.

Maintain ambient temperature below 45 °C to prevent performance reduction.

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

Complete parameter setting and bus network configuration via IndraWorks according to on-site demands.

Clean heat dissipation parts and air passages every six months, and check terminal connections regularly.

Calibrate control loops, feedback signals and bus communication status once a year for long-term reliable operation.