GE IS200TVBAH2AAA
GE IS200TVBAH2AAA - Image 2

GE IS200TVBAH2AAA

Product Overview: The GE IS200TVBAH2AAA is a critical safety and control component within the GE Speedtronic Mark VI turbine control system. It functions as a redundant logic module specifically designed to monitor high-speed rotating equipment, such as gas and steam turbines. Its primary role is to ensure the safe and reliable operation of the turbine by executing precise protection logic and managing emergency shutdown sequences.

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Category: SKU: GE IS200TVBAH2AAA

Description

GE IS200TVBAH2AAA Technical Specifications:

  • System Compatibility: GE Mark VI / Mark VIe Speedtronic Control System.
  • Module Type: Turbine Protection Redundancy Logic Board.
  • Operating Temperature: Rated for industrial environments, typically -20°C to +70°C.
  • Protection Rating: IP54 (Dust and water splash resistant).
  • Certifications: Complies with IEC 61508 SIL2 functional safety standards, UL 61010-1, and CE EMC directives.

Functional Features:

  • Triple Modular Redundancy (TMR): Executes a hardware-level 2-out-of-3 (2oo3) voting mechanism to ensure maximum system reliability.
  • Fast Response Time: Capable of processing signals and executing safety trips in ≤10ms to meet the strict real-time requirements of turbine emergency shutdowns.
  • Signal Versatility: Supports both dry contact (NO/NC) and 24VDC active signal inputs for broad sensor compatibility.
  • Advanced Diagnostics: Features front-panel LED indicators for channel status (green for normal, red for fault) and a comprehensive “Vote OK” status light.

Application Scenarios:

  • Overspeed Protection: Monitors independent speed probe signals to trigger emergency shutdowns if the turbine exceeds safe rotational limits.
  • Lubrication System Interlocks: Safeguards against bearing damage by monitoring oil pressure and shutting down the turbine if pressure drops critically.
  • Generator Fault Linkage: Integrates with electrical protection relays to mechanically isolate the turbine during severe electrical faults.
  • Offshore Platform Safety: Provides highly reliable, unmanned safety shutdown capabilities in harsh, space-constrained marine environments.

Performance Parameters:

  • Output Type: Safety relay contacts (Form C, SPDT) rated at 250VAC / 2A, capable of directly driving trip solenoids.
  • Input Voltage Range: 0–30VDC.
  • Electrical Isolation: ≥1.5kV reinforced isolation between channels and input/output sides to prevent common-mode interference.
  • Voting Logic: Only outputs a safety interlock command when at least two out of three independent channels detect a hazardous state.

Material Composition & Structural Characteristics:

  • Circuit Board: High-density, multi-layer industrial printed circuit board (PCB) with conformal coating.
  • Relays: High-reliability safety relays designed for high-cycle mechanical life and low contact resistance.
  • Connectors: Robust VME backplane edge connectors and front-panel terminal blocks for secure field wiring.
  • Enclosure: Ruggedized metal and composite housing designed to withstand industrial vibration and thermal cycling.

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