{"product_id":"is200eroch1a-ge-regulator-card-ex2100-generator-field-control","title":"IS200EROCH1A GE Regulator Card | EX2100 Generator Field Control","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE IS200EROCH1A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(EROC) serves as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExciter Regulator Output Board\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEX2100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcitation control series. This module executes the critical final stage of regulation, delivering conditioned and controlled output signals from the exciter regulator circuits directly to the generator field. By stabilizing the excitation current, the EROC board maintains the required magnetic field strength for consistent voltage generation. While primarily associated with the EX2100 and Mark VI platforms, this versatile \"Options Card\" also supports legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMark V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eturbine control systems, providing an essential upgrade path for enhanced regulator functionality.\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 IS200EROCH1A utilizes high-performance linear circuitry to ensure ripple-free signal delivery to the generator field.\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 Output Board (EROC)\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 \/ Mark V \u0026amp; Mark VI Turbine Control\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\u003eRegulation of output signals to the generator field\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\u003eLogic-level signals from regulator circuits\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\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\u003e130 × 107 × 32 mm\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\u003e0.45 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection\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\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\u003ePrecision Output Regulation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe EROC board employs high-stability operational amplifiers to condition regulator signals. This precision eliminates fluctuations in the generator field, which directly prevents voltage hunting and improves overall grid synchronization stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy System Interoperability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnique to this module, the IS200EROCH1A offers backward compatibility with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMark V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eturbine control systems. It provides an immediate performance boost for older regulator lineups without requiring a full system forklift upgrade.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplex Rack Interchangeability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn simplex control configurations, the EROC board functions as a direct interchangeable replacement for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEGDM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboard. This versatility reduces spare part inventory requirements for plants managing diverse GE control vintages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive Short-Circuit Mitigation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board monitors output current levels in real-time. If it detects a fault in the field wiring or the generator field itself, the onboard protection circuitry clamps the output and triggers a fail-safe alarm, preventing damage to the upstream regulator processors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated galvanic isolation layers prevent high-energy transients from the generator field from migrating back into the sensitive digital control backplane. This protects the core EX2100 CPU modules from electrical noise and surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the IS200EROCH1A replace an EGDM board in any configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: You can swap the EROC with an EGDM board specifically when used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esimplex control racks\u003c\/strong\u003e. For TMR (Triple Modular Redundant) systems, always verify the specific hardware configuration and firmware revision in your GE documentation to ensure proper voting logic synchronization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary difference between the EROC and the EAUX auxiliary board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEAUX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboard handles secondary monitoring and auxiliary signals (like fan status or cabinet temperature). The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEROC (IS200EROCH1A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a primary regulation component that directly influences the generator field excitation output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module require specialized cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The board utilizes passive convection cooling and operates within a standard range of 0°C to +60°C. However, ensure the EX2100 cabinet filters remain clean to maintain adequate airflow over the output power components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the \"H1A\" suffix impact compatibility?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: \"H1A\" represents the specific functional and artwork revision. This version is the standard for high-speed EX2100 regulator outputs. While it is highly compatible across Mark V and Mark VI systems, check your existing board's revision to ensure matching gain constants and signal scaling.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":44092569452643,"sku":"IS200EROCH1A","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/443._f66c9332-a680-4155-8e22-6f14797c8ea7.jpg?v=1774946908","url":"https:\/\/www.autocontrolglobal.com\/products\/is200eroch1a-ge-regulator-card-ex2100-generator-field-control","provider":"AutoControl Global","version":"1.0","type":"link"}