{"product_id":"general-electric-is200edexg1afa-exciter-de-excitation-board","title":"General Electric IS200EDEXG1AFA Exciter De-Excitation Board","description":"\u003cp\u003eConfigured for energy dissipation and SCR firing control in EX2100 excitation systems, the \u003cstrong\u003eGeneral Electric IS200EDEXG1AFA\u003c\/strong\u003e (\u003cstrong\u003eIS200EDEXG1AFA\u003c\/strong\u003e Exciter De-Excitation Board) provides direct physical\/electrical execution of generator shutdown sequences.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIS200\u003c\/strong\u003e: Base hardware series designation for GE excitation control components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEDEX\u003c\/strong\u003e: Exciter De-Excitation circuit board architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1AFA\u003c\/strong\u003e: Revision identifier; indicates specific configuration for SCR de-excitation groups and control interface compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS200EDEXG1AFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30 cm x 25 cm x 4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e125 VDC to 24 VDC (via EPSM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Interface\u003c\/td\u003e\n\u003ctd\u003eEXT B board \/ Independent logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eSCR de-excitation firing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity Licences\u003c\/h3\u003e\n\u003cp\u003eThe IS200EDEXG1AFA integrates into the EX2100 architecture to manage high-energy transitions during generator field discharge. The module facilitates I\/O density scaling by providing local conduction sensing feedback, which is critical for maintaining deterministic response times during SCR de-excitation initiation. Firmware flash compatibility ensures that the control logic remains aligned with the master EXT B processor, while the onboard circuitry maintains voltage retention capabilities during transient power failures. This architecture supports high-velocity communication across the backplane bus to ensure that de-excitation firing commands are executed within millisecond thresholds.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the IS200EDEXG1AFA initiate a de-excitation sequence without a signal from the EXT B board? A: Yes. The board is designed with independent logic capability to initiate de-excitation firing if a loss of communication or a failure in the primary EXT B controller is detected.\u003c\/p\u003e\n\u003cp\u003eQ: How are the configurable jumpers (JP1–JP6) utilized during setup? A: These jumpers are used to define the specific excitation path configuration and operational modes. They must be set according to the site-specific generator field discharge requirements and the excitation system architecture defined in the technical manual.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure all excitation field power is isolated and capacitors are fully discharged before handling or installing the board.\u003c\/li\u003e\n\u003cli\u003eAlign the board within the EX2100 excitation cabinet slot, ensuring all bayonet connectors are firmly seated to prevent high-current arcing.\u003c\/li\u003e\n\u003cli\u003eConfigure the JP1–JP6 jumpers strictly according to the original system commissioning documentation to ensure correct SCR firing alignment.\u003c\/li\u003e\n\u003cli\u003eVerify that the EPSM module is delivering the stable 24 VDC output from the 125 VDC input bus prior to energizing the control logic.\u003c\/li\u003e\n\u003cli\u003eInspect all circuit protection elements for signs of thermal fatigue or mechanical damage following any high-energy dissipation event.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE FANUC","offers":[{"title":"Default Title","offer_id":52566296002872,"sku":"IS200EDEXG1AFA","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/IS200EDEXG1AFA2.jpg?v=1782372137","url":"https:\/\/www.automodulexpert.com\/products\/general-electric-is200edexg1afa-exciter-de-excitation-board","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}