{"product_id":"high-speed-exciter-driver-pcb-ge-mark-vi-is200erddh1a","title":"High-Speed Exciter Driver PCB | GE Mark VI IS200ERDDH1A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE IS200ERDDH1A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(ERDD) serves as the primary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExciter Regulator Driver Board\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEX2100 Excitation Control System\u003c\/strong\u003e. This module functions as the high-speed interface between the regulator control logic and the power exciter circuits. By receiving low-level control commands from the EX2100 regulator modules, the ERDD board amplifies and conditions these signals to drive the exciter bridge effectively. It ensures the generator maintains a stable magnetic field, directly supporting voltage regulation and grid synchronization for steam and gas turbines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New, Factory Original.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS200ERDDH1A incorporates high-bandwidth driver circuitry to ensure deterministic signal transmission even under varying load conditions.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral Electric (GE)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExciter Regulator Driver Board (ERDD)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEX2100 Excitation Control System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDrives amplified regulator signals to exciter bridge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital control commands from EX2100 modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28 V DC (Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOvervoltage, Short-circuit, Fail-safe logic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 cm x 18.6 cm x 26.1 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.36 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Signal Driving:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe ERDD board utilizes low-latency amplification stages to translate regulator commands into bridge firing signals. This rapid response prevents hunting in the generator voltage and allows the EX2100 system to react instantly to transient grid disturbances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Fail-Safe Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated hardware protection circuits monitor the health of the driving signals. If the board detects an out-of-range condition or a loss of communication with the main regulator, it forces the output to a pre-defined safe state to prevent generator over-excitation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Electromagnetic Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTurbine halls generate significant electrical noise. The IS200ERDDH1A features a specialized PCB layout and shielded components that neutralize EMI, ensuring that signal jitter does not compromise the firing precision of the exciter bridge semiconductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Thermal Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGE engineered this board to maintain calibration accuracy across its full operating temperature range. The surface-mount components withstand the heat cycles typical of a high-power excitation cabinet, ensuring long-term reliability in continuous duty applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Rack Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board's slim 2 cm profile maximizes the density of the EX2100 control rack. Standardized backplane connectors facilitate rapid \"hot-standby\" replacement during scheduled outages, minimizing maintenance downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the IS200ERDDH1A differ from the IS200EROCH1A output board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eERDD (IS200ERDDH1A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edriver\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estage, taking commands and preparing them for the power bridge. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEROC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboard is the final\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoutput\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estage that delivers conditioned signals to the generator field. They work in tandem but serve different positions in the excitation control string.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this board in legacy Mark V systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The IS200ERDDH1A is specifically optimized for the EX2100 platform used with Mark VI and Mark VIe controls. For legacy systems, you must verify the specific backplane and firmware compatibility, as the signal levels may differ from older Mark V exciter drivers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is calibration required during field installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The board arrives factory-calibrated. The EX2100 software (ToolboxST) manages the gain constants and signal scaling digitally, eliminating the need for manual potentiometer adjustments on the board surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes a \"Driver Fault\" alarm on this board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Common causes include an under-voltage condition on the 28VDC supply, a detected short-circuit in the output cables to the bridge, or an internal diagnostic failure. Always check the status LEDs on the front panel to differentiate between external wiring issues and internal board faults.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":44092718841955,"sku":"IS200ERDDH1A","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/449.1_b26ee79e-ea88-417d-b3b7-cb7ebc0e98a5.jpg?v=1774949385","url":"https:\/\/www.autocontrolglobal.com\/products\/high-speed-exciter-driver-pcb-ge-mark-vi-is200erddh1a","provider":"AutoControl Global","version":"1.0","type":"link"}