Product Description
Product Overview
| Parameter | Details |
|---|---|
| Part Number | DS200TBCAG1AAB |
| Product Name | Thermocouple Terminal Board – Revision B |
| Application | High-accuracy temperature monitoring in GE turbine control systems (gas, steam, hydro, wind) |
| Compatibility | GE Speedtronic Mark V, Mark VI, EX2000/EX2100 Excitation Systems; interfaces with TCEA, VTCC, VCCC I/O boards |
| Function | Terminates up to 16 thermocouple inputs with cold-junction compensation (CJC), signal conditioning, and fault detection for critical turbine monitoring (e.g., exhaust, bearing, flame temp) |
Functional Specifications
| Parameter | Details |
|---|---|
| Thermocouple Inputs | 16 channels (Type J, K, E, T, R, S, B – software selectable) |
| Input Range | -200°C to +1800°C (type-dependent) |
| Accuracy | ±0.5°C (with CJC) |
| Cold Junction Compensation | On-board RTD (PT100) – auto-calibrated per channel |
| Resolution | 16-bit ADC (0.1°C resolution) |
| Update Rate | 50 ms per channel (320 ms full scan) |
| Isolation | 500 V channel-to-channel, 1500 V to ground |
| Fault Detection | Open circuit, short circuit, out-of-range, CJC failure |
| Operating Temperature | −40°C to +85°C (industrial extended) |
| Storage Temperature | −55°C to +105°C |
| Dimensions | 10.5" × 8.0" × 1.2" (Mark V/VI standard form factor) |
| Weight | 0.85 kg (1.87 lbs) |
| Power Supply | +5 V DC (±5%), ±15 V DC (from backplane via P1/P2) |
| Power Consumption | < 8 W |
| Connectors | - P1/P2: High-density backplane edge connectors - TB1–TB4: Screw terminals (16 T/C pairs + CJC RTD) - J1: CJC RTD input |
| LED Indicators | 4 LEDs: Power OK, Run, Fault, CJC OK |
| Protection | - Conformal coating (standard) - Surge (IEC 61000-4-5) - EMI/RFI shielding |
| Certifications | CE, UL, CSA Class 1 Div 2, ATEX Zone 2, IEC 61508 SIL 2 capable |
| Standards Compliance | IEC 60255, API 670, IEEE C37.90, IEC 61850 GOOSE ready |
Ordering Information
| Parameter | Details |
|---|---|
| Part Number Configuration | DS200TBCAG1AAB (A = Revision A, B = Enhanced CJC & Diagnostics) |
| Replaces / Supersedes | DS200TBCAG1AAA (original revision) |
| Available Options | • DS200TBCAG1AAC: With extended temp (−50°C) • DS200TBCAG1AAD: Class 1 Div 2 + conformal coat • Field wiring kits (pre-terminated T/C cables) |
| Core Exchange | Available – 30-day turnaround (2-year warranty on reman units) |
| Customization | • Custom thermocouple type mapping • Integration with TCEA-H or VTCC I/O • ToolboxST configuration templates |