{"product_id":"general-electric-is200eselh1aaa-mark-vi-exciter-collector-board","title":"General Electric IS200ESELH1AAA Mark VI Exciter Collector Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIS200ESELH1AAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a critical Exciter Collector Board within the General Electric Mark VI Speedtronic control system. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal component manages the bridge between logic-level control and power-stage execution in steam and gas turbine excitation systems. It receives logic-level gate pulses from the EMIO board and processes these signals to drive the excitation bridge. By handling up to six independent gate pulse signals, the ESEL board ensures precise synchronization of the turbine generator’s field current, maintaining grid stability and voltage regulation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS200ESELH1AAA incorporates a high-density circuit architecture to ensure rapid signal response and noise immunity.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGeneral Electric (GE)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMark VI Speedtronic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIS200ESELH1AAA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProcesses up to 6 gate pulse signals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo high-density backplane connectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVisual Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 LED Status Indicators (Power, Active, Gating)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Source:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEMIO Board (Logic level gate pulses)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComponent Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes over 200 resistors, plus integrated capacitors, transistors, and diodes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eForm Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNarrow faceplate design for high-density rack mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible System Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe IS200ESELH1AAA supports both Simplex and Triple Modular Redundant (TMR) configurations. In Simplex systems, a single board manages the gate pulses, while TMR systems utilize two boards (driven by M1 and M2) to provide the fault tolerance required for mission-critical power generation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Signal Conditioning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated circuits and a network of over 200 high-precision resistors filter and condition the gate pulse signals. This hardware-level processing eliminates signal jitter and ensures the excitation bridge receives clean, deterministic pulses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Status Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe faceplate features three distinct LEDs—Power, Active, and Gating. These indicators allow maintenance personnel to verify power health and signal activity at a glance, significantly reducing troubleshooting time during startup or maintenance intervals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Backplane Interfacing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo robust backplane connectors facilitate secure electrical and mechanical seating. This design resists the high-vibration environments typically found near turbine decks, preventing intermittent signal loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the IS200ESELH1AAA board brand new?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply this board as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal GE factory stock. It arrives in its original protective packaging with the GE logo and board ID clearly marked for authenticity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many ESEL boards do I need for a TMR system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA standard TMR (Triple Modular Redundant) configuration requires two ESEL boards. One board interfaces with the M1 controller and the other with M2 to ensure redundant gating paths for the excitation system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the \"Gating\" LED on the faceplate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Gating LED illuminates when the board actively processes gate pulse signals from the EMIO board. If the turbine is running but the LED remains dark, it indicates a failure in pulse reception or internal board logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this board require manual calibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IS200ESELH1AAA utilizes fixed-precision components for signal processing. While the Mark VI system software manages overall excitation parameters, the board itself functions as a hardware interface and typically requires no manual potentiometer adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52526271070517,"sku":"IS200ESELH1AAA","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS200ESELH1AAA.png?v=1775113959","url":"https:\/\/www.5gplc.com\/products\/general-electric-is200eselh1aaa-mark-vi-exciter-collector-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}