{"product_id":"is200erddh1aba-general-electric-ex2100-erdd-board","title":"IS200ERDDH1ABA General Electric EX2100 ERDD Board","description":"\u003ch2\u003e\u003cstrong\u003eGE IS200ERDDH1ABA Dynamic Discharge Board – EX2100 Series\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric IS200ERDDH1ABA\u003c\/strong\u003e functions as the \u003cstrong\u003eExciter Regulator Dynamic Discharge Board (ERDD)\u003c\/strong\u003e within the \u003cstrong\u003eEX2100 series\u003c\/strong\u003e. This board provides IGBT gate drive control and dynamic discharge protection for both simplex and redundant regulator systems. Engineers trust \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e for reliable DC-link voltage management and comprehensive bridge feedback monitoring.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e General Electric (GE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e IS200ERDDH1ABA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e EX2100 Excitation Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Single-slot, double-height (6U)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Connectors:\u003c\/strong\u003e Dual 96-pin P1 and P2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Interface Connectors:\u003c\/strong\u003e Seven surface-mounted connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Locations:\u003c\/strong\u003e ERBP (simplex), ERBP + ERRB (redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Sensing:\u003c\/strong\u003e One RTD input, 0–140 °C range, 0–10 V DC output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-Link Monitoring:\u003c\/strong\u003e Direct voltage sensing with independent dynamic discharge control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current Feedback:\u003c\/strong\u003e 100 mV shunt input, VCO biased at 333 kHz zero-field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage Feedback:\u003c\/strong\u003e -600 to +600 V DC range, VCO biased at 1 MHz zero output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercurrent Detection:\u003c\/strong\u003e Predefined full-scale shunt voltage threshold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Power Supplies:\u003c\/strong\u003e Six supplies from two onboard transformers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard ID:\u003c\/strong\u003e Barcode serial number, board type, hardware revision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Control:\u003c\/strong\u003e K41 de-excitation relay (simplex) or K3 charging relay (redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -30°C to +70°C industrial operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 1500 Vrms optical isolation on feedback circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSystem Architecture and Interface Design\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e mounts directly into the ERBP backplane.\u003c\/strong\u003e In redundant systems, a second board occupies the ERRB backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP1 and P2 backplane connectors supply non-isolated control circuits.\u003c\/strong\u003e Power originates from the Exciter Power Supply Module (EPSM).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven surface connectors link ERDD to companion boards.\u003c\/strong\u003e These include ERIO, ERSC, and ERRR for complete regulator control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #005a9c;\"\u003e\u003cstrong\u003eRedundant power source derived from DC-link bus.\u003c\/strong\u003e\u003c\/span\u003e Ensures dynamic discharge operates independently of control processor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix isolated power supplies come from two onboard transformers.\u003c\/strong\u003e These drive IGBT gating and feedback isolation circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBridge Feedback and Protection Functions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput current VCO feedback uses bridge shunt voltage.\u003c\/strong\u003e Zero-field current produces 333 kHz frequency baseline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #b22222;\"\u003e\u003cstrong\u003eOvercurrent detection triggers at full-scale shunt threshold.\u003c\/strong\u003e\u003c\/span\u003e Feedback signal changes state immediately upon fault detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput voltage VCO feedback covers -600 to +600 V DC.\u003c\/strong\u003e Zero output voltage generates 1 MHz reference frequency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridge temperature monitored via single RTD input.\u003c\/strong\u003e Scaled 0–140 °C maps to 0–10 V DC analog output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIGBT gate drive status continuously monitored.\u003c\/strong\u003e Feedback includes desaturation conditions and power supply integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequencies below zero-input baseline indicate shunt circuit failure.\u003c\/strong\u003e Built-in diagnostics simplify troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eDynamic Discharge and DC-Link Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic discharge circuits monitor DC-link voltage directly.\u003c\/strong\u003e Independent activation occurs without control processor intervention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #005a9c;\"\u003e\u003cstrong\u003eExcess DC-link voltage triggers automatic discharge.\u003c\/strong\u003e\u003c\/span\u003e Protects IGBT bridge and field windings from overvoltage damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPSM input and redundant DC-link source power discharge circuits.\u003c\/strong\u003e Dual-path design ensures fail-safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK41 de-excitation relay control in simplex applications.\u003c\/strong\u003e Safely collapses field flux during shutdown or fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK3 charging relay control in redundant configurations.\u003c\/strong\u003e Manages DC-link pre-charge sequence for hot-backup regulators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSimplex and Redundant Application Flexibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplex mode requires one \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e in ERBP backplane.\u003c\/strong\u003e Board controls K3 charging relay for single regulator systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant mode uses two ERDD boards.\u003c\/strong\u003e Primary board resides in ERBP, secondary board occupies ERRB backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant configuration controls K41 de-excitation relay.\u003c\/strong\u003e Provides coordinated field discharge for dual regulator setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentical hardware supports both operating modes.\u003c\/strong\u003e No firmware or component changes required for mode switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #005a9c;\"\u003e\u003cstrong\u003eBoard ID device stores hardware revision and type.\u003c\/strong\u003e\u003c\/span\u003e Simplifies inventory management and field replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation and Packaging\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEach \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e ships in anti-static shielded packaging.\u003c\/strong\u003e ESD foam secures all connectors and components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes one GE ERDD board.\u003c\/strong\u003e No cables, mounting hardware, or software included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect drop-in replacement for existing EX2100 ERDD modules.\u003c\/strong\u003e Identical form factor and connector layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWe ship via FedEx, UPS, or DHL.\u003c\/strong\u003e Tracking information provided within 24 hours of dispatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternational export packaging available.\u003c\/strong\u003e Double-boxed with moisture barrier for air freight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eContact Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmail inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhatsApp support:\u003c\/strong\u003e \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse time:\u003c\/strong\u003e Same business day for all technical and commercial questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e and IS200ERDDH1A?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e is the current hardware revision with enhanced RTD linearization. It remains backward compatible with all EX2100 backplanes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this board in an EX2100e system?\u003c\/strong\u003e\u003cbr\u003eA: Yes. \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e operates in both EX2100 and EX2100e platforms. Verify your EPSM revision for redundant configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need two boards for redundant applications?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Redundant EX2100 systems require one ERDD in ERBP and one in ERRB. \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e supports both positions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes the dynamic discharge to activate unexpectedly?\u003c\/strong\u003e\u003cbr\u003eA: Excessive DC-link voltage from regenerative loads or AC line swells. Check external PT\/CT signals and bridge shunt calibration first.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the typical lead time for \u003cstrong\u003eIS200ERDDH1ABA\u003c\/strong\u003e?\u003c\/strong\u003e\u003cbr\u003eA: In-stock orders ship within 48 hours. Volume orders typically ship within 5 business days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner:\u003c\/strong\u003e \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.autonexcontrol.com\/\" target=\"_blank\"\u003eAutoNex Controls Limited\u003c\/a\u003e – Authorized GE EX2100 parts supplier.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47360963707138,"sku":"IS200ERDDH1ABA","price":714.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/IS200ERDDH1ABA-1.jpg?v=1770949624","url":"https:\/\/www.nex-auto.com\/products\/is200erddh1aba-general-electric-ex2100-erdd-board","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}