Model Definition

DDS02.1: DIAX02 system, servo drive series 02.1 (2nd gen, version 1)

A: External air cooling (heat sink outside cabinet)

100: 100 A continuous rated current

DS01: SERCOS digital communication interface + standard DSF digital servo feedback

02: Hardware version 02

FW: Factory-installed firmware (pre-parameterized)

Technical Specifications

Electrical Parameters

DC bus voltage: 300 V DC ±15% (supplied by TVD/TVM power units)

Control power supply: 24 V DC (20–28 V DC); compatible with all regulated 24 V DC supplies except TVM 1.2

Continuous output current: 100 A

Peak output current: 200 A (short-term)

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Control cabinet power consumption: 97 W

Motor feedback: DSF digital servo feedback

Mechanical & Environmental

Cooling method: External air cooling (cold technology)

Protection class: IP20

Operating temperature: 0 °C to +45 °C (derating up to 55 °C)

Storage temperature: -30 °C to +85 °C

Maximum installation altitude: 1000 m

Weight: Approx. 11 kg

Interface and Communication Configuration

Control interface: SERCOS real-time digital bus (DS01)

Motor feedback: DSF digital servo feedback

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

Digital I/O: Enable, fault, limit switches, brake control

Expansion slots: U1–U4 for additional communication/feedback modules

Service port: RS232 (X3) for PC/terminal connection

Core Functions

Three-loop control (current/speed/position) with fast dynamic response and high positioning accuracy

SERCOS interface for high-speed, deterministic multi-axis synchronization

FW feature: Factory-loaded firmware enables quick commissioning without on-site programming

Modular design for flexible configuration and easy maintenance

Comprehensive protection: overvoltage, undervoltage, short circuit, overheating, feedback loss

Supports torque, speed, and position control modes

Application Scenarios

Heavy-duty CNC machine tools, gantry machines, large lathes

Multi-axis synchronous lines, industrial robots, injection molding machines

High-precision test benches, dynamic simulation equipment

Printing/packaging, textile machinery, and metalworking systems

Usage and Maintenance

Install vertically with unobstructed external cooling airflow

Operate at ≤45 °C ambient, altitude ≤1000 m

Wire DC bus, 24 V control power, motor feedback, and SERCOS before commissioning; configure via IndraWorks

Clean dust and check terminals every 6 months; calibrate loops annually

FW note: Firmware is factory-locked; contact Bosch Rexroth for updates