GE IS220PRTDH1A – Resistance Temperature Device (RTD) Input Module

Technical Specifications

• Manufacturer: General Electric (GE)
• Model: IS220PRTDH1A
• Series: Mark VIe (compatible with Mark VI)
• Channel Count: 8 independent RTD input channels
• Supported RTD Types: PT100, PT1000, Cu100, Ni1000
• Temperature Measurement Range:
  • PT100: -200°C to +850°C
  • Cu100: -50°C to +400°C
• Accuracy: ±0.1°C (-50°C to +250°C); ±0.2°C (full range)
• A/D Resolution: 14-bit
• Input Wiring: 3-wire or 4-wire (configurable)
• Power Supply: 24 VDC ±10% (from system rack)
• Power Consumption: Typical 4 W; Max 6 W
• Dimensions (L×W×H): 102 mm × 165 mm × 88 mm
• Weight: 0.7 kg (approx.)
• Operating Temperature: 0°C to +65°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5%–95% (non-condensing)
• Isolation: 2500 VAC isolation between channels and backplane (1 minute)
• Certifications: CE, UL, CSA, IEC 61131-2

Key Features

1. High-Precision Temperature Measurement
   • 8 independent channels support simultaneous multi-point temperature monitoring.
   • 14-bit A/D conversion and high-accuracy circuitry ensure reliable readings even in harsh environments.
2. Multi-Sensor Compatibility & Configurability
   • Works with PT100/PT1000, Cu100, and Ni1000 RTD sensors.
   • Selectable 3-wire/4-wire wiring adapts to diverse field sensor setups.
3. Robust Signal Integrity & Isolation
   • 2500 VAC channel-to-backplane isolation suppresses electrical noise and crosstalk.
   • Built-in filtering stabilizes signals from industrial environments with EMI.
4. Redundant Communication & Diagnostics
   • Dual IONet Ethernet ports enable redundant, high-speed data links to the Mark VIe controller.
   • On-board LEDs indicate power, communication, and fault status for real-time diagnostics.
   • Detects open/short circuits and sensor faults with alarm reporting.
5. Compact & Rugged Industrial Design
   • Fits standard Mark VIe rack slots for easy integration.
   • Wide temperature tolerance and IP20 protection withstand plant-floor conditions.

Application Scenarios

• Power Generation (Core)
  • Gas/Steam Turbines: Monitors bearing, exhaust, and combustion temperatures in combined-cycle plants.
  • Hydro Turbines: Tracks stator, bearing, and cooling system temperatures.
  • Power Plant Auxiliaries: Supervises boilers, generators, and transformers.
• Oil & Gas
  • Refineries & LNG Facilities: Controls reactor, distillation column, and heat exchanger temperatures.
  • Pipelines & Compressor Stations: Monitors equipment and process temperatures.
• Process Industries
  • Chemical/Petrochemical: Ensures precise thermal control in reactors and processing units.
  • Metallurgy: Monitors blast furnaces, converters, and rolling mills.
  • Pharmaceuticals & Food: Regulates sterilizers, dryers, and cold-chain systems。