Description
Product Parameters
| Parameter | Specification |
|---|---|
| Brand / Series | GE Mark VIe Speedtronic |
| Model | IS200VCMIH2BEE |
| Redundant Analog Inputs | 16 redundant pairs (32 total analog inputs) |
| Input Types | 4–20 mA, 0–10 V, ±10 V (software-selectable per channel) |
| ADC Resolution | 16-bit SAR (10–500 SPS) |
| Accuracy | ±0.03% FS (25°C), ±0.05% over full temperature range |
| Redundancy Logic | Automatic failover (hardware-based, < 5 ms) |
| Input Impedance | 250 Ω (current mode), > 1 MΩ (voltage mode) |
| Filtering | Programmable low-pass filter (1–50 Hz) |
| Loop Power | 24 VDC (externally supplied only) |
| Isolation | 2000 VAC (field-to-system) |
| CMRR | >110 dB @ 50/60 Hz |
| Diagnostics | Open-circuit detection, over/under-range detection, loop power fault monitoring, channel mismatch detection, primary/secondary status monitoring, reference validation, calibration status tracking, sensor drift detection, EMI detection |
| Status Indication | 16 green LEDs (primary active), 16 green LEDs (redundant active), 32 red LEDs (fault), 2 red summary fault LEDs, 1 yellow LED (reference/calibration status), 1 orange LED (EMI detection) |
| Calibration Features | Onboard calibration memory with traceable records, software-triggered self-calibration, factory calibration certificate stored onboard |
| Operating Temperature | –40°C to +70°C |
| Storage Temperature | –55°C to +85°C |
| Mounting | VME rack-mount terminal board with front-panel I/O connectors |
| Backplane Interface | VME64x (A24/A32, D16/D32/D64) |
| EMC Compliance | IEC 61000-4 Level 4 |
Advantages & Key Features
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Extended Redundant Capacity: IS200VCMIH2BEE provides 16 redundant analog input pairs with automatic failover (< 5 ms), ensuring uninterrupted critical signal monitoring—double the capacity of IS200VCMIH1B (8 pairs).
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High Channel Density: 16 redundant pairs (32 total inputs) in a single VME slot.
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Highest Accuracy: ±0.03% FS accuracy provides ultimate measurement precision.
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Faster Failover: < 5 ms hardware failover ensures minimal signal interruption.
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Advanced EMI Detection: Onboard EMI filtering and detection circuitry identifies electrical noise interference affecting critical analog signals.
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Sensor Drift Detection: Tracks sensor performance over time to predict failures.
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Extended Temperature Range: –40°C to +70°C operation makes IS200VCMIH2BEE suitable for extreme environments.
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Enhanced Isolation: 2000 VAC isolation and >110 dB CMRR provide superior protection.
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Flexible Input Configuration: Each channel supports 4–20 mA, 0–10 V, or ±10 V inputs via GE ToolboxST.
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Advanced Calibration: Onboard calibration memory with traceable records, factory certificate, and software-triggered self-calibration.
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Comprehensive Diagnostics: Open-circuit, over/under-range, loop power fault, channel mismatch, primary/secondary status monitoring, reference validation, calibration status tracking, sensor drift detection, and EMI detection.
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High-Density Status Indication: 16 primary and 16 redundant status LEDs enable rapid on-site troubleshooting.
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ToolboxST Integration: Full configuration, monitoring, diagnostics, and calibration management via GE ToolboxST.
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Drop-In Replacement: Direct replacement for IS200VCMIH2BCC, IS200VCMIH2BCB, IS200VCMIH2BBB, IS200VCMIH2B, IS200VCMIH2, IS200VCMIH1B, and earlier redundant analog input terminal boards.
Application Fields
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Gas & Steam Turbines (GE Frame 6B/7EA/9E/HA): Redundant speed probes, critical pressure transmitters, critical temperature transmitters, vibration monitoring.
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Combined Cycle Plants: Redundant HRSG pressure and temperature transmitters.
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Compressor Stations: Redundant suction/discharge pressure transmitters.
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High-EMI Environments: Critical monitoring in applications with significant electrical noise interference.
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Nuclear Power Plants: Critical analog monitoring where redundancy, calibration traceability, and high reliability are mandated.
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Arctic & Desert Installations: Extreme-environment critical monitoring applications.
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Safety-Critical Applications: Monitoring in safety instrumented systems (SIS) requiring documented calibration.
Comparison with Competing Products
| Feature | GE IS200VCMIH2BEE | GE IS200VCMIH2BCC | GE IS200VCMIH2BCB | GE IS200VCMIH2BBB | GE IS200VCMIH2B | Competitor A (Redundant Analog) | Competitor B (Analog Input) |
|---|---|---|---|---|---|---|---|
| Redundant Pairs | 16 (32 inputs) | 16 (32 inputs) | 16 (32 inputs) | 16 (32 inputs) | 16 (32 inputs) | 4 (8 inputs) | 0 |
| Accuracy | ±0.03% FS | ±0.03% FS | ±0.03% FS | ±0.03% FS | ±0.03% FS | ±0.2% FS | ±0.15% FS |
| Failover Time | < 5 ms | < 5 ms | < 5 ms | < 5 ms | < 5 ms | < 50 ms | N/A |
| EMI Detection | Yes | Yes | No | Yes | No | No | No |
| Sensor Drift Detection | Yes | Yes | Yes | Yes | Yes | No | No |
| Calibration Records | Yes | Yes | Yes | Yes | Yes | No | No |
| Self-Calibration | Yes | Yes | Yes | Yes | Yes | No | No |
| Isolation | 2000 VAC | 2000 VAC | 2000 VAC | 2000 VAC | 2000 VAC | 1000 VAC | 500 VDC |
| Operating Temp | –40°C to +70°C | –40°C to +70°C | –40°C to +70°C | –40°C to +70°C | –40°C to +70°C | 0°C to 50°C | 0°C to 60°C |
Key Advantage: IS200VCMIH2BEE provides 16 redundant analog input pairs—double the density of IS200VCMIH1B and four times that of competing modules—with the highest accuracy (±0.03% FS), fastest failover (< 5 ms), advanced EMI detection, sensor drift detection, 2000 VAC isolation, extended –40°C to +70°C temperature range, comprehensive diagnostics, and advanced calibration management with traceable records and factory certificates—making it the ultimate solution for large turbine applications requiring high-density, highest-precision, highest-reliability redundant analog monitoring with EMI protection, predictive maintenance, and documented calibration in extreme environments.
Selection Guidelines & Recommendations
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Redundancy Configuration: Determine critical analog signals requiring redundant monitoring—up to 16 redundant pairs per board.
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Input Type: Configure 4–20 mA, 0–10 V, or ±10 V per channel in GE ToolboxST.
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Loop Power: External 24 VDC supplies required—plan cabinet power distribution.
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EMI Detection: Enable to monitor electrical noise interference—orange LED indicates active EMI detection.
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Sensor Drift Detection: Enable to predict sensor failures and schedule preventive maintenance.
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Calibration Management: Use GE ToolboxST to review factory certificate and perform self-calibration.
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Diagnostic Configuration: Enable mismatch detection, status monitoring, reference validation, drift detection, and EMI detection for critical circuits.
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Controller Firmware: Requires Mark VIe processor firmware v9.5 or later.
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Wiring Guidelines: Use shielded twisted-pair cables. In high-EMI environments, use double-shielded cables with additional ferrite cores.
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Spare Strategy: Keep one spare per turbine; lead times 8–14 weeks.
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Retrofit: Direct replacement for IS200VCMIH2BCC, IS200VCMIH2BCB, IS200VCMIH2BBB, IS200VCMIH2B, IS200VCMIH2, and IS200VCMIH1B—regenerate configuration in GE ToolboxST to access enhanced features.
Important Cautions
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No Hot-Swap: De-energize rack before insertion/removal.
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Input Polarity: Observe correct polarity for 4–20 mA loops and voltage inputs.
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Loop Power: External 24 VDC required—ensure supplies are connected.
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Grounding: Connect AGND to Mark VIe system ground at single star point.
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Shield Termination: Ground signal cable shields only at cabinet end. In high-EMI environments, use additional ferrite cores.
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ESD Handling: Use grounded wrist straps; field repair not possible.
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Temperature Rating: Verify cabinet ambient does not exceed +70°C or fall below –40°C.
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Reference Validation: Yellow LED indicates reference drift—perform self-calibration or schedule factory recalibration.
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Self-Calibration: Perform only when board is de-energized and free from field wiring faults.
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Calibration Records: Factory certificate stored onboard—do not modify via external tools.
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EMI Detection Status: Orange LED indicates EMI detected—investigate nearby high-power or high-frequency sources.
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Sensor Drift Alerts: Investigate drift alerts to replace aging sensors before failure.
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Redundancy Verification: Confirm both primary and secondary inputs are operational after installation.
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Channel Mapping: With 16 redundant pairs (32 channels), verify field wiring maps to correct ToolboxST channel numbers.
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Wiring Density: With 32 analog inputs, ensure adequate cabinet space and cable management.

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