{"product_id":"general-electric-is200edexg1b-exciter-de-excitation-control-board","title":"General Electric IS200EDEXG1B Exciter De-Excitation Control Board","description":"\u003cp\u003eConfigured for emergency energy dissipation in EX2100e excitation systems, the \u003cstrong\u003eGeneral Electric IS200EDEXG1B\u003c\/strong\u003e (\u003cstrong\u003eIS200EDEXG1B\u003c\/strong\u003e De-Excitation Module) provides direct electrical execution of field energy removal. This hardware component serves as the primary EDEX control board utilized to execute SCR firing and conduction sense feedback sequences across turbine excitation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eIS200EDEXG1B\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard PCB form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Performance\u003c\/td\u003e\n\u003ctd\u003eSCR firing circuits; conduction sense feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe IS200EDEXG1B integrates into the EX2100e architecture to facilitate safe generator field de-energization upon receipt of trip signals. The module processes de-excitation triggers initiated by the EMIO via the EXTB board, activating the 41dc contactor (MDA\/MDB) or breaker. Logic execution is handled by high-speed SCR firing circuits that manage the transfer of energy away from the generator field. Firmware flash compatibility is maintained through the system control interface to ensure precise synchronization between the de-excitation timing and the breaker open command. The module employs conduction sense feedback to verify that energy has been successfully dissipated, providing a deterministic response to emergency shutdown scenarios.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the IS200EDEXG1B support field-configurable de-excitation settings?\u003c\/p\u003e\n\u003cp\u003eA: No. The EDEX module is a fixed-function control board. Its operation is determined by the hardware group classification (Group 1 for SCR, Group 2 for diode) and system-level software triggers.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module hot-swappable?\u003c\/p\u003e\n\u003cp\u003eA: No. Due to its role in high-energy field discharge, all system power must be isolated and the generator field confirmed de-energized before performing any maintenance or module removal.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Secure the board in the designated EDEX slot within the EX2100e cabinet. Ensure all mounting screws are tightened to provide a low-impedance chassis ground connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: Ensure auxiliary contact wiring from the 41dc contactor to the EDEX firing circuits is terminated according to the system schematic. Incorrect polarity or loose connections may prevent proper SCR activation during an emergency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: Verify that the board’s common reference is bonded to the excitation cabinet ground bus. Proper grounding is necessary for the accurate operation of the conduction sense feedback loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection\u003c\/strong\u003e: Prior to commissioning, inspect the SCR firing circuits for visible signs of thermal stress. Ensure that all connectors are fully seated and that the board is free of conductive contaminants that could cause internal arcing during high-voltage field discharge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52983705633077,"sku":"IS200EDEXG1B","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS200EDEXG1B2.png?v=1781078253","url":"https:\/\/www.5gplc.com\/products\/general-electric-is200edexg1b-exciter-de-excitation-control-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}