{"product_id":"ge-is220pproh1a-mark-vie-backup-turbine-protection-i-o-pack","title":"GE IS220PPROH1A Mark VIe Backup Turbine Protection I\/O Pack","description":"\u003cp\u003eThe GE IS220PPROH1A is a Backup Turbine Protection (PPRO) I\/O Pack designed for the Mark VIe turbine control system. It provides independent backup overspeed protection, generator synchronization checking, and watchdog monitoring of the primary control system. The module works with dedicated protection terminal boards to process turbine speed and trip-related signals independently of the primary turbine control functions.\u003c\/p\u003e\n\u003ch3\u003eFunctional Description\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPROH1A provides a separate protection path for turbine overspeed and emergency trip functions. It monitors three turbine speed signals and exchanges status information with the associated protection terminal board.\u003c\/p\u003e\n\u003cp\u003eIts protection functions include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndependent backup overspeed protection.\u003c\/li\u003e\n\u003cli\u003eBackup generator synchronization checking against the utility bus.\u003c\/li\u003e\n\u003cli\u003eWatchdog monitoring of the primary control system.\u003c\/li\u003e\n\u003cli\u003eMonitoring of protection terminal board feedback signals.\u003c\/li\u003e\n\u003cli\u003eActivation of backup trip relays when configured protection conditions are detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe PPRO pack communicates with Mark VIe control modules through IONet Ethernet connections. Its independent protection arrangement allows backup trip functions to operate without relying on normal primary control execution.\u003c\/p\u003e\n\u003ch3\u003eProtection Architecture and Terminal Board Configuration\u003c\/h3\u003e\n\u003cp\u003eThe module supports simplex and Triple Modular Redundant (TMR) protection arrangements. A typical TMR configuration uses three PPRO packs with the appropriate SPRO or TPRO terminal board arrangement.\u003c\/p\u003e\n\u003cp\u003eThe documented accessory terminal boards for the IS220PPROH1A are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIS200SPROH1A\u003c\/li\u003e\n\u003cli\u003eIS200SPROH2A\u003c\/li\u003e\n\u003cli\u003eIS200TPROH1C\u003c\/li\u003e\n\u003cli\u003eIS200TPROH2C\u003c\/li\u003e\n\u003cli\u003eIS200TREAH1A\u003c\/li\u003e\n\u003cli\u003eIS200TREAH3A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe terminal board determines the field signal connections and protection configuration. The associated emergency trip board and interconnecting cable must also match the installed turbine protection architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS220PPROH1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric (GE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eMark VIe Speedtronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBackup Turbine Protection I\/O Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Description\u003c\/td\u003e\n\u003ctd\u003eBackup Turbine Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Functions\u003c\/td\u003e\n\u003ctd\u003eOverspeed protection, synchronization check, primary control watchdog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDual Ethernet ports, 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Network\u003c\/td\u003e\n\u003ctd\u003eIONet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Inputs\u003c\/td\u003e\n\u003ctd\u003e3 turbine speed signal channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e27.4-28.6 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Power Supply\u003c\/td\u003e\n\u003ctd\u003e28.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e0.37 A DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Type\u003c\/td\u003e\n\u003ctd\u003eSide-vented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Type\u003c\/td\u003e\n\u003ctd\u003eIS220 Special Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eElectrical Ratings and Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe PPRO pack receives turbine speed signals through its associated SPRO, TPRO, or TREA terminal board configuration. The documented electrical range for speed inputs is -15 to +15 VDC. When used with SPRO or TPRO boards, potential transformer inputs support 0-138 VAC at 5-66 Hz.\u003c\/p\u003e\n\u003cp\u003eFor TREA configurations, the module also supports voltage detection inputs of 16-140 VDC and emergency-stop inputs of 18-140 VDC. These signal ranges depend on the selected terminal board and should not be interpreted as universal inputs available in every configuration.\u003c\/p\u003e\n\u003cp\u003eThe TREA contact output is rated up to 28 VDC and 7 A DC. With TPRO configurations, the speed sensor power output is nominally 24 VDC, with a maximum rated current of 25 mA.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the IS220PPROH1A a standard Mark VIe I\/O module or a dedicated protection module?\u003c\/p\u003e\n\u003cp\u003eA: It is a dedicated backup turbine protection I\/O pack. Its PPRO functions provide independent overspeed protection, synchronization checking, and primary controller watchdog monitoring rather than general-purpose process I\/O.\u003c\/p\u003e\n\u003cp\u003eQ: Which terminal boards are compatible with the IS220PPROH1A?\u003c\/p\u003e\n\u003cp\u003eA: The documented accessory terminal boards are IS200SPROH1A, IS200SPROH2A, IS200TPROH1C, IS200TPROH2C, IS200TREAH1A, and IS200TREAH3A. The correct board depends on the required simplex or TMR protection arrangement.\u003c\/p\u003e\n\u003cp\u003eQ: What power supply does the IS220PPROH1A require?\u003c\/p\u003e\n\u003cp\u003eA: Its specified nominal supply is 28.0 VDC, with an operating supply range of 27.4-28.6 VDC and a maximum current rating of 0.37 A DC.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52754319081757,"sku":"IS220PPROH1A","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/GE-Fanuc-IS220PPROH1A_1000.jpg?v=1787158055","url":"https:\/\/www.6gcontrols.com\/products\/ge-is220pproh1a-mark-vie-backup-turbine-protection-i-o-pack","provider":"6G Controls","version":"1.0","type":"link"}