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IS200TREAH1A

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The GE IS200TREAH1A is a specialized Turbine Emergency Trip Terminal Board engineered by General Electric as an integral component of the Mark VIe control series.
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Technical specifications for IS200TREAH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200TREAH1A
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    Turbine Emergency Trip Terminal Board
  • Stock:
    2
  • Application Type:
    Aero-derivative Turbine Emergency Trip System
  • Option Card Compatibility:
    WREA Option Card (WREAH1A / WREAS1A)
  • Speed Repeater Outputs:
    6 isolated outputs reproducing speed pulse rate signals
  • Repeater Output Interfaces:
    RS-232 or RS-422 interface
  • Output Contacts (Trip):
    3 TMR (Triple Modular Redundant) voted solid-state contacts
  • Output Contact Rating:
    24 V DC
  • Voltage Detection Circuits:
    4 circuits for monitoring trip strings
  • Voltage Detection Range:
    24 V DC to 125 V DC
  • Weight:
    0.65 kg
  • Estimated shipping dimensions:
    33x17.8x3cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Certifications & Standards Firmware & Updates Applications

Features:

  • Connection Hub for Turbine Emergency Trip Signals and Mark VIe Control System
  • Integration of Passive Pulse Rate Sensing with TMR Voted Trip Output Capability
  • Functions Alongside the WREA Option Card and Turbine I/O Packs
The General Electric IS200TREAH1A Turbine Emergency Trip Terminal Board serves as the dedicated interface for turbine emergency trip functions within the Mark VIe system, providing reliable connectivity for all speed monitoring and trip modules. It continuously processes signals from six passive pulse rate devices supporting up to three shafts with two sensors each, detecting toothed wheel rotation to measure turbine speed, and transmits this data through the WREA option card to support steady state operation of the turbine control system. Seamless speed signal processing is standard with the IS200TREAH1A, however using its three TMR voted 24 V DC solid-state output contacts will allow immediate system tripping in the event of an emergency condition. The IS200TREAH1A has made improvements in several areas over previous terminal board designs in addition to incorporating comprehensive voltage detection and contact input capabilities within the Mark VIe rack.

The IS200TREAH1A provides essential emergency trip functions common to the entire turbine protection path, and is a critical component of the safety system, directly affecting the proper, normal operation of the overall turbine control system. One IS200TREAH1A terminal board is required per WREA option card installation depending on the desired I/O configuration. The IS200TREAH1A is mounted directly to the WREA card and is always positioned with the configuration jumper row at the bottom to ensure proper keyed connector alignment.

For applications requiring comprehensive trip monitoring, the Mark VIe system utilizes the IS200TREAH1A terminal board installed with the WREA option card. In addition to standard speed monitoring operation, the IS200TREAH1A configuration also performs automatic voltage detection across four circuits monitoring 24-125 V DC trip strings. The IS200TREAH1A trip monitoring system executes conditional and hardware trips using the internal circuitry specified in the terminal board options. Using this method, the IS200TREAH1A continually monitors the health of all trip inputs and speed signals. If the system detects that turbine speed exceeds operational limits or trip conditions are activated, it will automatically trigger the solid-state output contacts and transmit status through the RS-232 or RS-422 speed repeater outputs.

The IS200TREAH1A General Electric Turbine Emergency Trip Terminal Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS200TREAH1A Turbine Emergency Trip Terminal Board Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IS200TREAH1A Turbine Emergency Trip Terminal Board Specs

General

  • Manufacturer General Electric
  • Model IS200TREAH1A
  • Condition New Original ready stock
  • Product Family IS220PPRAH1A,IS200WREAH1A,IS200TREAS1A
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Hazardous Locations: Meets ATEX (Directive 2014/34/EU) and IECEx standards for operation in Zone 2 / Class I, Division 2 explosive atmospheres.
  • Functional Safety: Complies with IEC 61508 standards, supporting up to a SIL 2 (Safety Integrity Level) configuration via its Triple Modular Redundancy (TMR) voting patterns.
  • Quality & Manufacturing: Built under ISO 9001 certified processes with multi-layer PCB layout and surface-mount technology (SMD) optimized for electromagnetic compatibility (EMC).
  • Industrial Controls: Conforms to standard UL and CE industrial safety guidelines.
  • Dynamic Hardware Verification: Features an integrated read-only ID device chip. When connected via the JX1, JY1, or JZ1 cables, the I/O pack queries this chip to verify the hardware type, serial number, and revision index. A mismatch generates a hardware incompatibility alarm.
  • Firmware Controls: Any functional changes—such as Rate-Based Overspeed Protection (RBOS) or trip parameter restrictions—are updated directly through the firmware of the master Mark VIe I/O Pack.
  • Updating Software: System configurations, trip parameters, and linked I/O pack firmware revisions are loaded and maintained exclusively using GE’s standard ToolboxST software suite.
  • Gas Turbine Protection: Acts as the primary emergency interface for GE Frame 6, 7, and 9 gas turbines.
  • Steam Turbine Control: Manages mechanical overspeed and emergency shutdown sequences on large power-generation steam turbines.
  • Speedtronic Mark VIe Systems: Serves as the dedicated hardware termination block for the Mark VIe emergency protection core.
  • Emergency Trip Logic: Interfaces directly with physical trip solenoids to dump hydraulic oil pressure and close fuel valves instantly.
Description
The IS200TREAH1A is a turbine emergency trip terminal board developed by General Electric, specifically designed as part of the Mark VIe series. This IS200TREAH1A terminal board is engineered to handle critical turbine emergency trip functions, working in conjunction with the WREA option card and turbine I/O packs as an integral component of the Mark VIe control system. The IS200TREAH1A addresses the need for reliable and rapid turbine shutdown mechanisms, ensuring operational safety by providing comprehensive interfacing capabilities for emergency trip sequences.

The IS200TREAH1A features customer input terminals available through two 24-point pluggable barrier terminal blocks or 48 pluggable Euro style box terminals (H3A or S3A), offering flexible connectivity options for various installation requirements. The IS200TREAH1A incorporates six passive pulse rate devices that support up to three shafts with two sensors each, sensing a toothed wheel to accurately measure turbine speed. Additionally, the IS200TREAH1A includes three TMR voted 24 V DC solid-state output contacts specifically designed to trip the system when emergency conditions are detected. The IS200TREAH1A also provides four voltage detection circuits for detecting voltages between 24-125 V DC, which are used for monitoring trip strings to ensure system integrity.

Furthermore, the IS200TREAH1A offers four 24 V DC contact inputs on WREAH1A or WREAS1A configurations, providing additional hardware or conditional trip inputs with wetting power supplied via the JH1 connector on the WREA card. Each of the six speed inputs on the IS200TREAH1A has a corresponding speed repeater output that reproduces the speed pulse rate signals, transmitted through an RS-232 or RS-422 interface for external monitoring and control purposes.

For installation of the IS200TREAH1A, begin by carefully aligning the two connectors on the WREA with those on the terminal board, noting that the bottom of the board is identified by the row of configuration jumpers. The connectors on both boards are keyed to prevent incorrect installation and ensure a secure connection. Once aligned, firmly press down on the four screw heads surrounding the connector area until the WREA is fully mounted and can no longer be pushed farther into place. For IS200TREAH1A H1 and S1 board variants, voltage detection circuits, trip contact inputs, and relay outputs should be connected to the I/O terminal blocks labeled TB1, while passive pulse rate pick-ups should be connected to terminal block TB2. Each terminal block on the IS200TREAH1A is secured with two screws and equipped with 24 terminals capable of accepting wires up to 12 AWG, with a shield termination strip connected to chassis ground positioned immediately to the left of each block. For H3 and S3 variants of the IS200TREAH1A, voltage detection circuits, trip contact inputs, and relay outputs connect to the I/O box terminals at the top of the board, while passive pulse rate pick-ups connect to the lower terminals, with all terminals plugging into a header and accepting up to a single 12 AWG wire.
Revisions

Revision Part #

Also known as

IS200TREAH1ADC
IS200TREAH1ADC, Series DC, Rev DC
Alternative Names
IS200TREAH1ADC IS200TVIBH2BBB IS200TRLYH1BED IS200TBTCH1CBB IS200TSVOH1BDC IS200TTURH1BED
Technical notes
The GE IS200TREAH1A Turbine Emergency Trip Terminal Board is designed for critical turbine safety and control ecosystems, providing the necessary hardware interface to handle high-reliability monitoring and rapid system shutdowns when operational thresholds are breached.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the GE IS200TREAH1A used for?
The GE IS200TREAH1A is a turbine emergency trip terminal board designed for aero-derivative turbine applications. It forms part of the Mark VIe control platform and provides the interface for emergency shutdown, speed monitoring, and trip circuit supervision.
Which system is the IS200TREAH1A compatible with?
The GE IS200TREAH1A is designed for the GE Mark VIe series and works together with the WREA option card and associated turbine I/O packs. It supports safety-critical turbine control and monitoring applications.
How does the IS200TREAH1A improve turbine safety?
The GE IS200TREAH1A detects overspeed conditions and monitors trip string integrity. Its hardware-based voting logic ensures shutdown commands are executed even in critical failure scenarios.
How is the IS200TREAH1A installed?
Installation requires mounting the WREA option card onto the board by aligning the keyed connectors correctly. Once aligned, pressure is applied to the fastening points until the card is fully seated and securely connected.