{"product_id":"ge-is200exhsg4a-exciter-high-speed-relay-driver-board","title":"GE IS200EXHSG4A Exciter High-Speed Relay Driver Board","description":"\u003cp\u003eConfigured for high-speed contactor and pilot relay management in EX2100 excitation systems, the \u003cstrong\u003eGeneral Electric IS200EXHSG4A\u003c\/strong\u003e (\u003cstrong\u003eIS200EXHSG4A\u003c\/strong\u003e Exciter High-Speed Relay Driver Board) provides direct physical\/electrical execution of field flashing, de-excitation, and contactor feedback monitoring.\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\u003eIS200EXHSG4A\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\u003eUnited States (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003eSimplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContactor Type\u003c\/td\u003e\n\u003ctd\u003e125 V dc coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBridge Rating\u003c\/td\u003e\n\u003ctd\u003e500 A, 42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Firmware Integration\u003c\/h3\u003e\n\u003cp\u003eThe IS200EXHSG4A integrates with the EX2100 Exciter Backplane (EBKP) to support deterministic control of excitation peripherals. The board utilizes firmware-supported logic to condition status signals from the Exciter De-Excitation Board (EDEX) and the Crowbar control circuit, relaying these states to the Exciter Main Input\/Output (EMIO) boards for centralized processing. Its architecture facilitates I\/O density scaling by supporting both simplex and redundant control configurations. The module provides conditioned 70 V dc excitation for contact inputs 41, 53A, and 53B, ensuring accurate state feedback monitoring to the control network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary communication pathway for the IS200EXHSG4A?\u003c\/p\u003e\n\u003cp\u003eA: The board interfaces directly with the Exciter Backplane Board (EBKP), which routes status and control signals to either a single EMIO board in simplex mode or three EMIO boards in redundant control configurations.\u003c\/p\u003e\n\u003cp\u003eQ: How are field flashing and de-excitation managed by this board?\u003c\/p\u003e\n\u003cp\u003eA: The board provides dedicated driver circuits for pilot relays, including 53A and 53B for field flashing, and the KDEP relay for de-excitation sequences, ensuring high-speed operation during critical transition events.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Mounting:\u003c\/strong\u003e Install the board within the excitation control cabinet, ensuring alignment with the EBKP backplane connectors. Secure all mounting screws to provide a consistent electrical ground path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring and Termination:\u003c\/strong\u003e Utilize the designated input\/output terminals for contactor coil connections (125 V dc). Ensure all field wiring is adequately sized to handle the current requirements of the contactors and pilot relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeedback Verification:\u003c\/strong\u003e Before energizing, verify the continuity of the contact inputs (41, 53A, 53B) to the EXHS board. Confirm that the 70 V dc wetting voltage is present at the input terminals when the excitation power supply is active.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMI Mitigation:\u003c\/strong\u003e Route control and feedback wiring separately from high-power excitation bus bars. Use shielded conductors for signal lines to prevent induced common-mode noise from affecting the state monitoring of the crowbar and de-excitation status signals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52988922593589,"sku":"IS200EXHSG4A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS200EXHSG4A.png?v=1781165008","url":"https:\/\/www.5gplc.com\/products\/ge-is200exhsg4a-exciter-high-speed-relay-driver-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}