Rexroth DKC02

Technical Specifications

• Rated output voltage: AC 200V – 240V (single-phase/three-phase optional)
• Continuous output current: Multiple current ratings available across the series
• Peak output current: 300% of rated current for 3 seconds
• Control modes: Position control, velocity control, torque control
• Encoder feedback: Supports EnDat, Hiperface DSL, incremental and absolute encoder protocols
• Communication interfaces: EtherCAT, PROFINET, CANopen, RS485
• Digital I/O: 16 configurable digital inputs, 8 digital outputs
• Analog interfaces: 2 analog inputs, 2 analog outputs (±10V / 0-10V)
• Operating temperature: 0°C to +50°C (derated operation up to +60°C)
• Protection class: IP20 (cabinet installation required)
• Cooling method: Natural convection / forced air cooling

Functional Features

• Built-in current loop regulation mechanism reduces overshoot by 15-20% during sudden torque changes
• Multi-protocol encoder compatibility enables system upgrades without replacing drive hardware
• Real-time diagnostic function records peak current, temperature curves, and communication error frames for predictive maintenance
• Modular slot design allows direct connection with different power unit specifications
• Supports both built-in and external braking resistors

Application Scenarios

• CNC machine tools and precision machining equipment
• Packaging machinery with multi-axis coordination requirements
• Electronic manufacturing equipment including SMT placement machines
• Robotics and automated assembly systems
• Textile machinery and printing equipment

Structural Characteristics

• Compact book-type housing design optimized for cabinet installation
• Isolated power topology with separate control and power sections
• Independent braking energy management unit
• Front-facing connectors and status indicators for easy access
• PCB board with enhanced anti-interference layout

Working Principle

The DKC02 operates on closed-loop vector control principle. It receives motion commands from the host controller, processes position, velocity, and torque reference signals through dual-core real-time architecture, and outputs PWM signals to drive the servo motor. Encoder feedback provides real-time position and velocity data to the control loops, ensuring precise motion execution. The current loop runs at high frequency to deliver fast dynamic response and smooth torque output.

Installation Requirements

• Mount vertically in a control cabinet with sufficient clearance on all sides for ventilation
• Maintain minimum clearance of 50mm above and below the unit for airflow
• Use shielded cables for motor and encoder connections
• Implement proper grounding according to EMC guidelines
• Ensure ambient temperature stays within specified operating range

Operating Notes

• Match drive current rating precisely with motor specifications
• Verify DC bus capacitor parameters when pairing with external power modules
• Perform parameter auto-tuning during initial commissioning
• Avoid frequent emergency stops to extend component lifespan
• Regularly check cooling vents for dust accumulation