Bosch Rexroth DDS02.1-W015-D Digital Servo Drive
May 29, 2026

Bosch Rexroth DDS02.1-W015-D Digital Servo Drive

Product Description The DDS02.1-W015-D is a compact modular digital AC servo drive from Bosch Rexroth (Indramat) DDS02.1 series, designed for low-to-medium power motion control. It features cabinet internal air cooling, 15 A continuous current, and DSF digital servo feedback, ideal for small-to-medium machinery and cabinet-mounted installations.

Description

Model Definition

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

W: Cabinet internal air cooling (heat dissipation via cabinet airflow, “heat technology”)

015: 15 A continuous rated current

D: DSF digital servo feedback (standard digital interface, no analog/SERCOS specified)

Technical Specifications

Electrical Parameters

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

Control supply: 24 V DC (20–28 V DC, regulated)

Continuous output current: 15 A

Peak output current: 300 A (short‑term, ≤5 s)

Current loop cycle: 62.5 μs

Speed loop cycle: 250 μs

Position loop cycle: 1 ms

Motor feedback: DSF digital servo feedback

Power dissipation: Approx. 50 W

Mechanical & Environmental

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

Protection class: IP20 (front), IP10 (overall, DIN 40050)

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

Storage temperature: -30 °C to +85 °C

Max altitude: 1000 m (derating above)

Weight: Approx. 7.5–8.5 kg

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

Interface and Communication Configuration

Control interface: No native analog/SERCOS; supports digital command via system bus or optional expansion modules

Motor feedback: High‑resolution DSF digital servo feedback

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

Digital I/O: 8×in, 4×out (enable, fault, limits, brake)

Expansion slots: U1–U4 for communication/feedback modules

Service port: RS232 (X3) for IndraWorks setup

Core Functions

Three‑loop control (current/speed/position) with fast dynamics

DSF digital feedback: Precise positioning for low‑to‑medium power applications

Compact design for small cabinets; internal cooling saves space

Modular architecture for flexible configuration

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

Supports torque, speed, and position control modes (digital command)

Application Scenarios

Small‑to‑medium CNC machines (mills, lathes, routers)

Industrial robots and handling systems

Printing, textile, and packaging machinery

Light‑duty injection molding and automation lines

Retrofit projects for legacy analog systems (with expansion modules)

Usage and Maintenance

Install vertically with ≥100 mm clearance for internal airflow

Operate at ≤45 °C ambient; avoid dust and direct sunlight

Wiring: DC bus → 24 V control → motor power → feedback

Commission via IndraWorks; calibrate loops during setup

Maintenance: Clean heat sink every 6 months; check terminals annually


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