GE IS200ISBEH2ABB InSyncBus Extender Board

GE IS200ISBEH2ABB InSyncBus Extender Board

د.إ8,888.00

IS200ISBEH2ABB indicates a specific design revision:

Part Segment Meaning
IS200 GE’s Innovation Series of control modules.
ISBE ISBus Extender Board (Functional Acronym).
H2A Hardware Group 2, Artwork Revision A (a later, updated design from the H1 series).
BB Assembly/Manufacturing Revisions (minor production changes or component sourcing updates that do not change the core function).
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الوصف

The GE IS200ISBEH2ABB is an InSync Bus Extender Board (ISBE) used in General Electric’s high-reliability control platforms, primarily the Mark VI Speedtronic Turbine Control System and the EX2100 Excitation System.1

Its core function is to physically and electrically extend the reach and maintain the integrity of the proprietary ISBus communication line.

⚙️ Function and System Role

The ISBE board is a critical utility component in systems utilizing Triple Modular Redundancy (TMR), such as the Mark VI.

  • ISBus Extension: The main purpose is to provide an interface to extend the physical length or branching capabilities of the high-speed, synchronous ISBus cable. This is necessary when control modules are located in separate racks or over longer distances.

  • Signal Integrity: As an extender, the board includes active circuitry (such as buffers and repeaters) to recondition and amplify the ISBus signal. This ensures the high-speed signal maintains its precise timing and integrity over the extended path, which is crucial for the TMR system’s “InSync” synchronization and voting logic.

  • Optical Capability: The board is equipped with two fiber-optic connectors (often labeled R and T, for Receive and Transmit).2 This allows the electrical ISBus signal to be converted into an optical signal, enabling reliable data transmission over much longer distances (e.g., between cabinets) with high immunity to electrical noise.3

  • Power and Connectivity: It connects to the Control Assembly Backplane (CAPB) via the J11A local ISBus Interface Connector.4 It includes a DC/DC converter (input 18V to 36V, output 5V) to ensure a stable, regulated power supply for its own active components.5

🔎 Revision and Features

The part number IS200ISBEH2ABB indicates a specific design revision:

Part Segment Meaning
IS200 GE’s Innovation Series of control modules.
ISBE ISBus Extender Board (Functional Acronym).
H2A Hardware Group 2, Artwork Revision A (a later, updated design from the H1 series).
BB Assembly/Manufacturing Revisions (minor production changes or component sourcing updates that do not change the core function).

Notable Features

  • Connectors: Includes two P1A and P1B male plugs, two small terminal strips for electrical connections, and the two fiber-optic connectors.6

  • Diagnostics: Equipped with three LEDs (two green and one amber) for visual feedback on system states.7

  • Configuration: A three-position jumper switch is included, which can be used to configure specific settings, such as an interlock bypass feature.8

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