GE IS200TBDGH2AAA Temperature Module | –40 to +70 °C

  • Model: IS200TBDGH2AAA
  • Brand: GE (General Electric)
  • Series: Mark VIe Distributed Control System (DCS)
  • Core Function: Provides dedicated temperature input for turbine bearing monitoring in extreme temperature environments—8 isolated RTD/thermocouple inputs with cold-rated amplifiers, advanced diagnostics, and conformal coating for reliable bearing temperature monitoring from –40 to +70 °C.
  • Type: I/O Module – Turbine Bearing Temperature Input Module (Extended Temperature)
  • Key Specs: 8 isolated temperature inputs (RTD/TC); 16-bit resolution; ±0.1% accuracy at 25 °C; ±0.25% over –40 to +70 °C; advanced diagnostics; cold-rated amplifiers; conformal coating.
  • Condition: New Original (New Surplus) – not refurbished. OEM packaging and serial traceability intact.
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Description

 

Product Introduction

The IS200TBDGH2AAA is the extended-temperature turbine bearing temperature input module—8 isolated RTD/thermocouple inputs with cold-rated amplifiers, advanced diagnostics, and conformal coating for reliable bearing temperature monitoring from –40 to +70 °C.

The “AAA” suffix means GE upgraded the input amplifiers to precision cold-rated parts that maintain accuracy at –40 °C. The advanced diagnostics work at temperature extremes. The board has conformal coating.

 

Key Technical Specifications

Parameter Specification
Part Number IS200TBDGH2AAA
Manufacturer GE General Electric
System Compatibility Mark VIe, Mark VIeS
Module Type Turbine Bearing Temperature Input Module (Extended Temp)
Temperature Inputs 8 (isolated)
Input Types RTD (Pt100), TC (J, K, T, E)
Resolution 16-bit
Accuracy ±0.1% at 25 °C; ±0.25% over –40 to +70 °C
Diagnostics Advanced (open circuit, short circuit, degradation)
Conformal Coating Yes
Isolation 2,500 V RMS
Operating Temperature –40 to +70 °C
Mounting VME-style Eurocard backplane

 

Quality Inspection Process

Thermal chamber verification—accuracy and diagnostics at –40 °C and +70 °C.

 

New Original vs. Refurbished

The TBDGH2AAA has cold-rated amplifiers—refurbishers can’t add these. Refurbished units fail cold soak accuracy tests. Failure rate runs 5× higher than new.

 

Performance Benchmarks

  • Accuracy at –40 °C: ±0.25%
  • Open circuit detection: Detected
  • Short circuit detection: Detected
  • Isolation: 2,500 V RMS—no breakdown

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