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GE IS220PSVOH1A Servo I/O Module

echnical Specifications

  1. Electrical Parameters:
    • Input/Output Voltage: 24 V DC .
    • Input/Output Current: 2.5 A .
    • Power Consumption: ~25 W .
  2. Environmental Ratings:
    • Operating Temperature: -40°C to +70°C .
    • Storage Temperature: -40°C to +85°C .
    • Humidity Tolerance: 5%–95% RH (non-condensing) .
    • Protection Rating: IP20 (standard) .
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Detailed content

  1. Physical Dimensions:
    • Size: 4.8″ (H) × 2.4″ (W) × 8.7″ (D) .
    • Weight: 0.5 kg .
  2. Control Interfaces:
    • Feedback Support: Quadrature encoders, analog sensors (displacement/pressure) .
    • I/O Channels: 32 digital I/O points; 4 dedicated servo control channels .
  3. Communication Protocols:
    • Dual I/O Ethernet ports (ENet1/ENet2) for redundancy .
    • Supports Modbus, Profibus-DP (up to 12 Mbit) .
  4. Real-Time Performance:
    • Motion Control Modes: Position, velocity, torque control .
    • Control Precision: 0.1% accuracy; 0.01% resolution .

Functional Features

  1. Redundant Control Architecture:
    • Dual Ethernet interfaces ensure continuous operation during network failures .
  2. Auto-Reconfiguration:
    • Automatically reinstates settings after module replacement via ToolboxST software .
  3. Integrated Diagnostics:
    • Front-panel LEDs monitor power, Ethernet status, and fault alerts (e.g., Attn LED for errors) .
    • Manual testing modes (e.g., actuator stroking, step-current tests) detect servo anomalies .
  4. High-Precision Servo Control:
    • Drives two servo valve position loops using WSVO servo driver modules .
    • Supports closed-loop feedback for sub-micron motion accuracy in turbine systems .
  5. Robust Safety Protections:
    • Overvoltage, overcurrent, and short-circuit safeguards .
    • Thermal sensors prevent overheating during extended operation . 

Application Scenarios

  1. Power Generation:
    • Controls steam/gas turbine valves and regulators in power plants (e.g., GE Mark VIe systems) .
    • Manages actuator positioning for load balancing and emergency shutdowns .
  2. Industrial Automation:
    • Precision motion control in CNC machinery, robotics, and packaging lines .
    • Synchronizes hydraulic/pneumatic systems in chemical processing plants .
  3. Oil & Gas:
    • Monitors wellhead valves and pipeline pressure regulators .
  4. Aerospace Testing:
    • Simulates thrust vectoring in jet engine test rigs .

Compatible Ecosystem

  1. Hardware Integration:
    • Terminal Boards: TSVO servo terminal boards for I/O signal routing .
    • Drivers: WSVO servo driver modules for valve position control .
    • Controllers: GE Mark VIe/VersaMax/RX3i systems .
  2. Software Tools:
    • ToolboxST: Configures auto-replication and diagnostics .
    • Control System Toolbox: Sets up Ethernet parameters and motion profiles .

Installation & Maintenance

  1. Deployment:
    • DIN rail mounting; minimal clearance required for heat dissipation .
    • Isolate from high-vibration equipment to prevent connector fatigue .
  2. Preventive Measures:
    • Bi-annual inspection of Ethernet cables and power connectors .
    • Verify actuator stroke consistency via trend recorder logs .
  3. Troubleshooting:
    • Attn LED activation: Check terminal board connections or servo valve feedback .
    • Sudden power drops: Validate 24 V DC input stability .

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