The GE IS200VTCCH2C IS200VTCCH2CBD functions as a dedicated Thermocouple Card within the Mark VI series. This module provides precise temperature measurement for turbine monitoring applications. It converts low-level thermocouple signals into usable digital data for the control system.
Technical Specifications & Input Architecture
This card features sixteen isolated thermocouple input channels for comprehensive temperature monitoring. Each channel includes individual filtering circuits to eliminate electrical noise interference. Furthermore, the module integrates automatic cold junction compensation to maintain measurement accuracy across varying ambient temperatures.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Series | Mark VI |
| Part Numbers | IS200VTCCH2C, IS200VTCCH2CBD |
| Card Type | Thermocouple Input Card |
| Input Channels | 16 isolated channels |
| Thermocouple Types | J, K, T, E, R, S, B, N |
| Cold Junction Compensation | Integrated with ±0.5°C accuracy |
| Energy Storage | Hold-up capacitor bank (≥50ms) |
| Dimensions | 7.4 in (H) x 2.6 in (W) |
| Weight | Approx. 0.62 lbs (0.28 kg) |
| Component Count | 156 discrete components |
Functional Role in Mark VI Systems
This card interfaces directly with thermocouple sensors placed throughout the turbine assembly. It samples each input channel sequentially while maintaining strict timing accuracy. Consequently, it delivers reliable temperature data for critical protection algorithms.
The IS200VTCCH2C IS200VTCCH2CBD includes dedicated isolation barriers between channels and the backplane. Moreover, its energy storage module sustains operation during brief power interruptions. Therefore, this design ensures continuous temperature monitoring without data loss.
Signal Processing and Accuracy
Engineers value this card for its high measurement precision across wide temperature ranges. The assembly contains 156 individual components arranged to minimize thermal drift effects. Its cold junction compensation circuit automatically adjusts for changes in terminal block temperature.
Each input channel provides galvanic isolation up to 1500 volts. This isolation prevents ground loops from corrupting sensitive thermocouple measurements. Accordingly, the card maintains exceptional signal integrity in electrically noisy environments.
Mechanical Attributes and Durability
This module features a rugged PCB construction suitable for harsh industrial settings. Its 7.4 x 2.6 inch form factor allows seamless installation into standard Mark VI rack systems. Weighing only 0.62 lbs, this unit reduces mechanical stress on backplane connectors.
A conformal coating protects all circuitry from moisture, dust, and corrosive contaminants. The General Electric Mark VI series relies on such robust input modules for consistent turbine protection. Proper installation ensures optimal temperature measurement across all operational conditions.
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