Bosch Rexroth DDS02.2-W050-BE12-01-FW Digital Servo Drive
Description
Model Definition
DDS02.2: Servo drive series 02.2 for DIAX03
W: Internal cabinet air cooling (heat dissipation inside cabinet)
050: 50 A continuous rated current
BE12: SERCOS fiber-optic bus (DSS02.1M) + resolver feedback (DRF02.1M)
01: Hardware version 01
FW: Pre-installed firmware module (DSM02.3-FW)
MPN: R911265337
Technical Specifications
Electrical Parameters
DC bus voltage: 300 V DC ±15% (supplied by TVD/TVM power supplies)
Control power: 24 V DC (20–28 V DC)
Continuous output current: 50 A
Peak output current: 100 A (short-term)
Current loop cycle: 62.5 μs
Speed loop cycle: 250 μs
Position loop cycle: 1 ms
Power dissipation: Approx. 180 W
Compatible motors: MDD/MKD synchronous, LAR/LAF linear, 2AD/ADF series
Mechanical & Environmental Parameters
Cooling method: Internal cabinet air cooling (vertical/horizontal installation)
Protection class: IP20 (front), IP10 (overall)
Operating temperature: 0 °C to +45 °C (20% derating at 55 °C)
Storage temperature: -30 °C to +85 °C
Max. altitude: 1000 m (35% derating at 5000 m)
Dimensions (W×H×D): 70 mm × 390 mm × 310 mm
Weight: Approx. 7.5 kg
Interface and Communication Configuration
Main control interface: BE12 integrated module
SERCOS fiber-optic real-time bus (DSS02.1M) for multi-axis synchronization
Resolver interface (DRF02.1M) for rugged, cost-effective position feedback
Motor feedback: Dual-channel (digital servo + resolver)
System bus: Shared 300 V DC bus for multi-axis systems
Digital I/O: 8 inputs / 4 outputs (enable, fault, limits, brake)
Expansion slots: U1–U4 for optional modules; U5 with factory-fitted DSM02.3-FW firmware
Service port: RS232 (IndraWorks parameterization)
Core Functions
Current/speed/position three-loop control for medium-power dynamics
BE12 dual-interface: SERCOS bus control + resolver for harsh environments
Internal cooling saves cabinet space, ideal for compact layouts
Modular architecture enables flexible expansion and fast maintenance
Comprehensive protection: overvoltage, undervoltage, overcurrent, short circuit, overheating, feedback loss
Pre-loaded firmware eliminates on-site firmware installation, reducing commissioning time
Supports torque/speed/position control modes
Application Scenarios
Medium-power CNC machines with resolver feedback
Multi-axis packaging/printing lines requiring SERCOS synchronization
Textile machinery with rugged resolver position control
Robotics/handling systems with compact cabinet layouts
Medium-power servo retrofits with BE12 interface and pre-configured firmware
Usage and Maintenance
Install with adequate cabinet ventilation for internal cooling
Operate below 45 °C to avoid performance derating
Verify DSM02.3-FW firmware module is pre-installed in slot U5
Wire SERCOS fiber and resolver cables correctly to BE12 interface
Clean internal air passages every 6 months; inspect terminals periodically
Calibrate control loops and resolver feedback every 2 years
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