{"product_id":"is220ypros1aj-general-electric-mark-vie-i-o-protection-module","title":"IS220YPROS1AJ General Electric Mark VIe I\/O Protection Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe IS220YPROS1AJ is a Mark VIe–family Emergency Turbine Protection I\/O Pack used in GE distributed control and turbine protection architectures. It is applied as an independent protective I\/O layer that can supervise the primary turbine control and initiate a protective trip when unsafe conditions are detected. Typical configurations use three packs in a triple modular redundant (TMR) arrangement mounted on an SPRO terminal board to provide high-integrity protection coverage.\u003c\/p\u003e\n\u003cp\u003eKey functional roles include: backup overspeed protection, speed-based event detection (overspeed\/acceleration\/deceleration), generator synchronization permissive\/check functions, and watchdog supervision of the main control path. Communication to the control system is handled over an Ethernet-based I\/O network (commonly implemented as an IONet connection in Mark VIe systems), allowing the protection layer to coordinate status and trip logic while remaining functionally independent from the primary controller execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Parameters\u003c\/h3\u003e\n\u003cp\u003eThe IS220YPROS1AJ is designed for panel and cabinet installations where reliable 24 VDC I\/O pack operation and robust mounting are required. It is commonly mounted directly to compatible terminal boards (such as SPRO and selected trip-related boards), and can also be interconnected using industry-standard multi-pin cabling where the application requires remote placement.\u003c\/p\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification (typical)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule type\u003c\/td\u003e\n\u003ctd\u003eEmergency turbine protection I\/O pack \/ I\/O protection module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries \/ platform\u003c\/td\u003e\n\u003ctd\u003eMark VIe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork interface\u003c\/td\u003e\n\u003ctd\u003eEthernet-based I\/O network connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection architecture\u003c\/td\u003e\n\u003ctd\u003eSupports simplex, dual-controller supervision, and TMR system implementations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDirect-to-terminal-board mounting options; cable-interconnect options depending on board type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e~0.36–0.45 kg (revision\/mounting dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cp\u003eCommon deployment scenarios for the IS220YPROS1AJ include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency overspeed protection I\/O in steam, gas, and other turbine control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBackup trip initiation using independent relay paths when primary control faults are detected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenerator synchronization check\/permissive functions in turbine-generator packages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndependent watchdog monitoring of simplex or dual main controllers (R\/S supervision in dual systems)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTMR protection implementations using three packs with an SPRO terminal board and associated trip boards (e.g., TREG, TREL, TRES, TREA, depending on turbine type and trip design)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":45519079669933,"sku":"IS220YPROS1AJ","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/general-electric-is220ypros1aj-i-o-protection-module-iazhzgmqcue.jpg?v=1766986437","url":"https:\/\/www.maxwellplc.com\/products\/is220ypros1aj-general-electric-mark-vie-i-o-protection-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}