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GE IS220PRTDH1B

RTD (Resistance Temperature Detector) input module for GE Mark VIe turbine control system.
  • Product Introduction: A high-performance RTD input module that acts as a bridge within GE’s Mark VIe architecture, managing communication between I/O networks and RTD terminal boards. Interfaces with RTD sensors to measure temperature of turbine components, bearings, and auxiliary equipment, then transmits digitized signals via Ethernet to the Mark VIe controller for real-time monitoring and protection.
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Detailed content

  • Technical Specifications:
    • Type: PRTD — RTD Input Pack
    • System Compatibility: GE Mark VIe turbine control system
    • Input Channels: 8 RTD input channels (3-wire independent)
    • Supported Sensors: Platinum (Pt100, Pt200, Pt500, Pt1000), Nickel, Copper RTDs
    • Measurement Range: -200 °C to +850 °C (depending on sensor type)
    • Accuracy: ±0.1% of full scale (typical)
    • Resolution: 16-bit A/D conversion
    • Update Rate: 10 ms per channel
    • Common Mode Rejection: > 120 dB @ 50/60 Hz
    • Normal Mode Rejection: > 60 dB @ 50/60 Hz
    • Isolation: 1500 VDC between input channels and system logic
    • Communication: Ethernet connection to Mark VIe controller; Dual RJ45 Ethernet (10/100 Mbps)
    • Power Supply: 28 VDC nominal (range 18–32 VDC)
    • Power Consumption: 12 W
    • Operating Temperature: -30 °C to +65 °C
    • Storage Temperature: -40 °C to +85 °C
    • Humidity: 5–95% non-condensing
    • Dimensions: 225 × 167 × 55 mm
    • Weight: 0.9–1.0 kg
    • Mounting: DIN-rail or direct rack mounting within Mark VIe system
  • Functional Features:
    • Dual Ethernet connectivity for seamless integration with plant-wide networks, ensuring redundancy and fault tolerance
    • Advanced filtering algorithms reduce noise interference; fast scan rates enable real-time temperature tracking
    • Auto-reconfiguration: automatically adjusts settings when replaced, minimizing downtime during maintenance
    • LED indicators for power, status, and channel activity
    • MTBF exceeding 200,000 hours with self-diagnostic algorithms and redundant power inputs
    • Conformal coating and corrosion-resistant materials
    • SIL 2-rated variants available for safety-critical applications
    • Hot-swappable design for redundant systems
  • Working Principle: Digitizes RTD signals and transmits them via Ethernet to the Mark VIe controller for real-time monitoring and protection.
  • Applications: Temperature measurement and control in power generation, oil & gas, chemical processing, marine propulsion, and heavy industrial systems, especially for turbine thermal management.
  • Usage Notes: Seamless compatibility with GE’s Control System Toolbox for configuration and monitoring, including auto-detection of RTD types and cable resistance compensation.

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