Description
Key Specifications
| Parameter | Specification |
|---|---|
| Thermocouple Input Channels | 8 dual-TC channels (16 total thermocouple inputs) |
| Thermocouple Types Supported | J, K, T, E, N, R, S, B — software-selectable |
| Thermocouple Accuracy | ±0.1% of reading + ±0.5 °C (typical) |
| Cold Junction Compensation | Integrated CJC sensors (±0.25 °C accuracy) |
| Analog Input Channels | 4 differential analog inputs (4–20 mA, 0–10 V, ±10 V) |
| Analog Input Resolution | 16-bit ADC |
| Analog Input Accuracy | ±0.05% of full scale |
| Dual-Sensor Redundancy | Each thermocouple channel supports two independent sensors |
| Redundancy Logic | On-board average, difference, maximum, and minimum calculation |
| Isolation | 1500 VDC (I/O-to-backplane) |
| Diagnostics | 500-event fault log with timestamps |
| Sample Rate | 10 Hz (sequential scanning) |
| Communication | I/O Net (dual Ethernet ports for redundancy) |
| Form Factor | 6U VME64x (160 × 233 mm), single-slot width |
| Indicators | Per-channel LED, module health, communication status |
| Operating Temp | 0 °C to +60 °C |
| Power Draw | 12 W (+5 V / +3.3 VDC) |
| Connectors | Front-panel 48-pin terminal block with gold-plated contacts and captive washer screws |
Advantages & Distinctive Features
-
Dual-Thermocouple Redundancy: Each channel supports two independent thermocouples for redundant temperature measurement.
-
On-Board Redundancy Logic: Average, difference, maximum, and minimum calculations—reduces processor load.
-
Integrated Analog Inputs: 4 additional analog inputs for pressure, flow, or position signals.
-
Integrated Cold Junction Compensation: Dedicated CJC sensors for accurate absolute temperature readings.
-
Burnout Detection: Open-circuit detection for thermocouple faults.
-
High Accuracy: ±0.1% reading + ±0.5 °C for thermocouples; ±0.05% for analog inputs.
-
Gold-Plated Captive Washer Terminals: Corrosion-resistant and vibration-proof.
-
Hot-Swappable: No rack power-down for replacement.
-
Direct Retrofit: Replaces older DTAI series boards.
Application Fields
-
Gas Turbines: Exhaust temperature (dual TC), bearing RTDs, pressure monitoring
-
Steam Turbines: Casing temperature (dual TC), pressure monitoring
-
Generators: Stator winding temperature, bearing temperature
-
Compressors: Inlet/discharge temperature, pressure monitoring
-
Critical Temperature Monitoring: Applications requiring redundant TC sensors for safety
Comparison with VTCCH1C and Competitors
| Feature | GE IS210DTAIH1A | GE IS200VTCCH1C | Competitor A | Competitor B |
|---|---|---|---|---|
| TC Channels | 8 (dual) / 16 inputs | 24 (single) | 8 (single) | 8 (dual) |
| Analog Inputs | 4 | None | None | None |
| Redundancy Logic | Average/Diff/Max/Min | No | No | No |
| Accuracy (TC) | ±0.1% + ±0.5 °C | ±0.15% + ±0.5 °C | ±0.2% + ±1 °C | ±0.1% + ±0.5 °C |
| Hot-Swappable | Yes | Yes | No | Yes |
Selection Guidelines
-
When to choose: Applications requiring redundant TC monitoring with additional analog inputs.
-
Redundancy Logic: Configure average for normal operation; difference for fault detection.
-
TC Configuration: Configure per channel for thermocouple type in Toolbox ST.
-
Analog Configuration: Configure per channel for 4–20 mA, 0–10 V, or ±10 V.
-
Compatibility: Fits all Mark VIe VME64x racks. Requires ControlST v6.0 or higher.
Operational Precautions
-
Wiring: Follow GE wiring diagrams—correct polarity and shield grounding essential.
-
Dual-TC Wiring: Ensure both thermocouples are correctly wired per channel.
-
Redundancy Logic Testing: Simulate one TC failure to verify redundancy logic.
-
Calibration: Factory calibrated—verify against known references during commissioning.
-
LED Diagnostics: Green = normal; Amber = sensor fault/difference; Red = module fault.
-
Fault Log: Access 500-event log via Toolbox ST.
-
Hot-Swap: Remove/insert slowly under power.
-
Spare Stock: Maintain 1 spare per 3–4 racks.
-
ESD: Handle by edges with grounded wrist strap.
A-B 1336-GM1
IN PXI-8423
A-B 1771-IXE
SCHNEIDER 140ACO02000
Reviews
There are no reviews yet.