RELIANCE RDASR-1 – Remote Data Acquisition and Switching Relay

• Communication Interfaces:
  • EtherCAT: High-speed industrial Ethernet for multi-axis synchronization (cycle times ≤ 100 µs) .
  • CANopen: Compatible with CiA 402 drive profile for standardized motion control commands .
  • Analog I/O: Two analog inputs (±10 V) for torque/speed reference and four digital I/O for external triggers .
• Safety Features:
  • STO (Safe Torque Off) compliant with EN 61800-5-2 .
  • Overvoltage/undervoltage protection, overcurrent detection, and thermal shutdown .

Functional Features

1. Multi-Mode Control
   • Position Control: Supports electronic gearing and interpolation for precise positioning (±0.1% accuracy) .
   • Velocity Control: Closed-loop speed regulation with dynamic response (<5 ms settling time) .
   • Torque Control: Direct torque output for applications requiring force regulation (e.g., tension control) .
   • EtherCAT Slave: Synchronized motion control for multi-axis systems via distributed clocks .
2. Advanced Tuning
   • Auto-tuning algorithm for motor parameter identification and optimal PID gains .
   • User-configurable filters for vibration suppression in high-inertia systems .
3. Diagnostics & Monitoring
   • Real-time status indicators for power, communication, and fault conditions .
   • Data logging via USB for performance analysis and predictive maintenance .
4. Programmability
   • Supports PLCopen motion control profiles for seamless integration with Siemens, Rockwell, and Allen-Bradley systems .
   • Customizable via Reliance’s MotionWorks software suite for complex trajectories .

Application Scenarios

1. Industrial Automation
   • Robotics: Coordinates Cartesian robots and SCARA arms for pick-and-place operations in automotive assembly lines .
   • Packaging Machinery: Controls servo-driven conveyors and labeling systems with sub-millimeter precision .
   • CNC Machining: Enables high-speed contouring and spindle synchronization in milling/drilling applications .
2. Material Handling
   • AGVs (Automated Guided Vehicles): Provides dynamic motion control for navigation and load handling .
   • Warehouse Automation: Powers servo actuators in automated storage/retrieval systems (AS/RS) .
3. Printing & Converting
   • Web Handling: Maintains tension control in flexible packaging and printing presses .
   • Die Cutting: Synchronizes servo motors with rotary knives for accurate material cutting .
4. Semiconductor Manufacturing
   • Wafer Handling: Ensures smooth, low-vibration motion for robotic wafer loaders .
   • Bonding Machines: Controls precision actuators in wire bonding and die attach processes .

System Integration

• Hardware Setup:
  • Mounts directly to DIN rails or panel-mount brackets .
  • Requires a separate 24 VDC power supply for logic and I/O .
• Software Configuration:
  • MotionWorks: Graphical interface for parameter tuning, trajectory programming, and diagnostics .
  • PLC Integration: Compatible with ladder logic programming via EtherCAT or CANopen .
• Cabling:
  • Shielded power cables for noise immunity .
  • Encoder feedback cables with HIPERFACE or EnDat interfaces .

Key Advantages

• Performance: High-speed DSP enables rapid response to dynamic load changes (up to 500 Hz bandwidth) .
• Flexibility: Multi-protocol support reduces dependency on proprietary systems .
• Reliability: Industrial-grade components ensure operation in harsh environments (temperature: -10°C to 55°C, humidity: 5–95% RH non-condensing) .
• Cost-Effectiveness: Eliminates the need for separate motion controllers and amplifiers .

Limitations & Considerations

• Power Rating: Maximum continuous output current of 15 A may limit use in high-torque applications .
• Software Learning Curve: Advanced features require familiarity with PLCopen or MotionWorks programming .
• Legacy Compatibility: Requires a transition module for integration with older RELIANCE VZ3000 drives .