Description
GE IS200TTURH1CFD is a turbine terminal board for GE’s Mark VIe Speedtronic control systems, acting as the critical interface between field instrumentation and VTUR/PTUR control modules in gas/steam turbine applications. GE IS200TTURH1CFD supports both simplex and TMR (Triple Modular Redundant) configurations, delivering high-integrity signal routing for speed sensing, breaker control, and turbine protection. GE IS200TTURH1CFD features 48 I/O channels via two pluggable terminal blocks (24 each), handling TTL speed pickups, generator voltage, shaft voltage/direction, and relay driver outputs. GE IS200TTURH1CFD drives main breaker 52G coils (K25/K25P/K25A) for 125V DC systems and connects directly to VTUR modules via JR1 connectors for synchronized control. GE IS200TTURH1CFD’s hardware includes screw terminals, D‑shell connectors, transformers, and configurable relays, with jumper settings for system-specific logic (2/3 voting for TMR). GE IS200TTURH1CFD ensures reliable signal transmission and diagnostic visibility, making it indispensable for power generation and industrial turbine control.
Technical Parameters GE IS200TTURH1CFD
| Parameter | Value |
|---|---|
| Product Model | GE IS200TTURH1CFD (Mark VIe Turbine Terminal Board) |
| Core Function | Field‑to‑VTUR/PTUR interface, speed sensing, breaker control, turbine protection, TMR/simplex signal routing |
| Compatible Systems | GE Mark VIe Speedtronic gas/steam turbine control systems |
| I/O Channels | 48 total (2×24‑channel pluggable terminal blocks, screw‑type) |
| Signal Types | TTL speed pickups, generator voltage, shaft voltage/direction, relay driver outputs, pulse inputs, vibration inputs |
| Relay Control | Drives 52G main breaker coils (K25/K25P/K25A) for 125V DC systems |
| Redundancy | Simplex and TMR (2/3 voting logic for TMR) |
| Connectors | JR1 (to VTUR), male/female D‑shell, dual terminal blocks |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -55°C to 90°C |
| Isolation | Channel‑to‑channel: 1500V AC RMS |
| Certifications | UL, CE, IEC 61508 (SIL 2 capable) |
Advantages and Features GE IS200TTURH1CFD
- Dual Redundancy Support: Works in simplex or TMR setups with 2/3 voting for fail‑safe turbine control.
- High‑Density I/O: 48 channels handle diverse turbine signals with pluggable terminals for easy maintenance.
- Direct VTUR/PTUR Integration: JR1 connector enables seamless communication with control modules for synchronized operation.
- Rugged Industrial Design: Screw terminals, heavy‑duty components, and wide temperature range for harsh power generation environments.
- Diagnostic Visibility: On‑board indicators and relay status feedback for quick fault isolation.
- Configurable Logic: Jumpers for system‑specific voting and signal routing to match turbine protection requirements.
Application Cases
- Combined Cycle Power Plant: A 450MW plant used GE IS200TTURH1CFD in TMR Mark VIe systems to route speed pickup and breaker control signals. Its 2/3 voting prevented false trips during grid transients, cutting downtime by 22 hours/year.
- Natural Gas Turbine Retrofit: A refinery upgraded from Mark V to Mark VIe with GE IS200TTURH1CFD, integrating shaft voltage monitoring and TTL speed inputs. The board’s direct VTUR connection reduced wiring complexity by 35%.
- Steam Turbine Generator: A utility deployed GE IS200TTURH1CFD for main breaker 52G control. Its pluggable terminals allowed hot‑swap relay replacement during scheduled outages, avoiding unscheduled downtime.
Comparison with Competitors
| Parameter | GE IS200TTURH1CFD | Siemens 6ES7 138-4FB03-0AB0 | Rockwell 1756-TBCH |
|---|---|---|---|
| Type | Mark VIe Turbine Terminal Board (TMR/simplex) | ET 200S Terminal Module | ControlLogix Terminal Base |
| Redundancy | TMR + simplex (2/3 voting) | Simplex only | Simplex only |
| I/O Channels | 48 (dual 24‑channel blocks) | 16 | 32 |
| Turbine Signal Support | TTL speed, shaft voltage, 52G breaker coils | Limited to standard I/O | Standard I/O only |
| Native Integration | GE Mark VIe VTUR/PTUR | S7‑1500 | ControlLogix |
| Key Edge | Turbine‑optimized protection, TMR, direct VTUR link | Low cost, modular I/O | Rockwell ecosystem scalability |
Selection Recommendations
- Choose GE IS200TTURH1CFD for Mark VIe systems needing TMR/simplex turbine terminal interface with speed/breaker protection.
- Prefer GE IS200TTURH1CFD when handling 48‑channel mixed signals (TTL, voltage, relay drivers) in gas/steam turbine control.
- Select GE IS200TTURH1CFD for 125V DC 52G breaker coil control and VTUR module integration.
- Use GE IS200TTURH1CFD in power generation applications requiring SIL 2‑capable signal routing and diagnostic visibility.
Precautions
- Match GE IS200TTURH1CFD to VTUR/PTUR modules and verify TMR/simplex jumper settings before commissioning.
- Torque terminal block screws to 0.8–1.0 N·m to ensure reliable signal contact and prevent vibration‑induced loosening.
- Adhere to ESD protocols when handling GE IS200TTURH1CFD to protect sensitive relay and transformer components.
- Validate JR1 connector pinouts for VTUR communication to avoid control logic mismatches during startup.
- Periodically test relay coil continuity and terminal block insulation to maintain GE IS200TTURH1CFD’s protection integrity.
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