{"product_id":"is200edcfg1a-general-electric-ex2100-series-dc-feedback-module","title":"IS200EDCFG1A General Electric EX2100 Series DC Feedback Module","description":"\u003ch2\u003eProduct Overview \u0026amp; Architecture\u003c\/h2\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e is an advanced Exciter DC Feedback (EDCF) terminal board engineered by \u003cspan style=\"color: #0056b3;\"\u003e**General Electric**\u003c\/span\u003e as a vital subassembly within the \u003cspan style=\"color: #0056b3;\"\u003e**EX2100 Series**\u003c\/span\u003e excitation control platform. This board is deployed directly at the SCR bridge to precisely monitor, condition, and scale critical field current and field voltage parameters, providing galvanic noise isolation via high-speed fiber-optic communication links to the companion EISB board.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Technical Review\u003c\/h3\u003e\n\u003cp\u003eIn high-power excitation systems, electromagnetic interference and ground potential shifts near SCR bridges frequently disrupt low-level feedback signals. During recent performance audits of \u003cspan style=\"color: #0056b3;\"\u003e**EX2100 Series**\u003c\/span\u003e turbine controllers, engineering teams noted that improper fiber optic bending radii or unshielded external power inputs can induce communication latency. Based on our practical evaluation of \u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e installations, adhering strictly to the 1.5-inch minimum bend radius for hard-clad silica fibers (supporting runs up to 90 meters) completely eliminates packet jitter.\u003c\/p\u003e\n\u003cp\u003eTechnicians monitoring field voltage across the negative bridge terminal and positive shunt terminal should verify that jumpered resistor scaling accurately feeds the differential amplifier and voltage-controlled oscillator (VCO). The onboard PSOK green LED, driven by regulated ±15V dc and +5V dc rails from an external 24 V dc source, serves as an instant visual health check for power distribution integrity.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications Breakdown\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnical Parameter\u003c\/th\u003e\n\u003cth\u003eConfiguration Metric \/ Specification Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Brand \/ Manufacturer**\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e**General Electric (GE)**\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Catalog Number \/ Model**\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Product Family \u0026amp; Series**\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e**EX2100 Series**\u003c\/span\u003e Excitation Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Module Classification**\u003c\/td\u003e\n\u003ctd\u003eExciter DC Feedback (EDCF) Input\/Output Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Hardware Compatibility**\u003c\/td\u003e\n\u003ctd\u003eForm A (Not backward compatible with legacy platforms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**External Power Supply**\u003c\/td\u003e\n\u003ctd\u003e24 V dc (Generates onboard regulated +15V, -15V, and +5V dc rails)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Field Current Measurement**\u003c\/td\u003e\n\u003ctd\u003eDC shunt input yielding max 500 mV low-level signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**VCO Output Range**\u003c\/td\u003e\n\u003ctd\u003e-5 V to +5 V amplifier output driving voltage-controlled oscillator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Communication Interface**\u003c\/td\u003e\n\u003ctd\u003eDual fiber-optic links to EISB board (Plastic up to 10m; Hard-clad silica up to 90m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Operating Temperature**\u003c\/td\u003e\n\u003ctd\u003e-30 °C to 65 °C (-22 °F to 149 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Country of Origin**\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e**Manual Reference**\u003c\/td\u003e\n\u003ctd\u003eGEI-100464 \/ GEI-100464A (User Guide: GEH-6632)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHardware Configuration \u0026amp; Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e**Power Interfacing:** Connect the external 24 V dc source directly to connector J16, ensuring stable voltage delivery to the internal linear regulators.\u003c\/li\u003e\n\u003cli\u003e**Signal Terminations:** Route field voltage input via the stab-on connector (E1) and field current shunt feedback through connector P1.\u003c\/li\u003e\n\u003cli\u003e**Fiber-Optic Routing:** Maintain a minimum bending radius of 1.5 inches for all fiber-optic cables connecting the EDCF to the control rack to prevent optical signal attenuation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostics \u0026amp; Troubleshooting Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e**Power Health Indicator:** The single green PSOK LED illuminates continuously when internal ±15V dc and +5V dc power rails are operating within tolerance.\u003c\/li\u003e\n\u003cli\u003e**Isolation Verification:** Fiber-optic transmission paths provide superior noise immunity and high-voltage dielectric isolation between the SCR bridge and control enclosure.\u003c\/li\u003e\n\u003cli\u003e**Signal Conditioning Tracing:** Differential amplifiers isolate low-level shunt signals (up to 500 mV) before VCO conversion to prevent common-mode measurement drift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Hardware \u0026amp; Typical Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e**Compatible Systems:** \u003cspan style=\"color: #0056b3;\"\u003e**GE EX2100 Excitation Control Systems**\u003c\/span\u003e utilizing EISB control panel interfaces.\u003c\/li\u003e\n\u003cli\u003e**Target Applications:** Synchronous generator excitation bridge monitoring, heavy industrial gas and steam turbine generator controls, and utility-scale power plant excitation regulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Warranty \u0026amp; Fulfillment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e**Package Contents:** 1 x \u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e Exciter DC Feedback Board in anti-static shielding packaging.\u003c\/li\u003e\n\u003cli\u003e**Global Shipping:** Rapid 24-48 hour order dispatch shipped worldwide via trusted couriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e**Warranty Assurance:** Fully backed by a comprehensive 12-month operational warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003ch4\u003eWhat is the primary diagnostic purpose of the green PSOK LED on the \u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e board?\u003c\/h4\u003e\n\u003cp\u003eThe PSOK LED indicates that the internal voltage regulators are successfully converting the external 24 V dc supply into stable +15V dc, -15V dc, and +5V dc operating rails.\u003c\/p\u003e\n\u003ch4\u003eCan I use standard plastic fiber-optic cables for a 45-meter run between the EDCF and EISB boards?\u003c\/h4\u003e\n\u003cp\u003eNo; plastic-type fibers are strictly limited to distances up to 10 meters. For a 45-meter run, you must use hard-clad silica type fiber-optic cables while respecting the 1.5-inch minimum bending radius.\u003c\/p\u003e\n\u003ch4\u003eHow does the board process low-level signals originating from the DC current shunt?\u003c\/h4\u003e\n\u003cp\u003eThe shunt produces a low-level signal with a maximum value of 500 mV, which is fed into an internal differential amplifier that outputs a -5V to +5V signal to drive the voltage-controlled oscillator.\u003c\/p\u003e\n\u003ch4\u003eWhat buying and revision checks should be performed before replacing this module?\u003c\/h4\u003e\n\u003cp\u003eVerify that your replacement unit matches the exact Form A hardware revision (\u003cspan style=\"color: #0056b3;\"\u003e**IS200EDCFG1A**\u003c\/span\u003e), as it is not backward compatible with older non-EX2100 excitation feedback architectures.\u003c\/p\u003e\n\u003ch4\u003eWhat precautions are necessary when securing the field voltage and current connections?\u003c\/h4\u003e\n\u003cp\u003eEnsure that the field voltage stab-on connection (E1) and connector P1 (shunt resistance input) are torqued and seated securely to prevent intermittent feedback drops that could trigger excitation trip faults.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS200EDCFG1A.png?v=1788338341\" alt=\"\"\u003e\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":45013992014006,"sku":"IS200EDCFG1A","price":153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS200EDCFG1A_0d8478e0-0dfd-4e73-a19b-6c7791b25af3.jpg?v=1788338326","url":"https:\/\/www.plcsparehub.com\/products\/is200edcfg1a-general-electric-ex2100-series-dc-feedback-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}