{"product_id":"ge-mark-vie-emergency-turbine-backup-protection-module-is220pprah1a","title":"GE Mark VIe Emergency Turbine Backup Protection Module IS220PPRAH1A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GE IS220PPRAH1A operates as a dedicated emergency turbine backup protection I\/O pack within the General Electric Mark VIe and Mark VIes Speedtronic platform. This specialized hardware module provides independent, autonomous safety intervention to safeguard heavy-duty gas and steam turbines against catastrophic overspeed events. It mounts directly onto a compatible terminal board to capture speed dynamics and flame status independent of the primary control processors. By running localized safety algorithms, the unit triggers emergency trip relays within milliseconds if the main operating infrastructure fails during critical failures.\u003c\/p\u003e\n\u003cp\u003eWe supply this safety-critical module exclusively as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed stock\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee maximum performance life and absolute compliance with plant protection standards.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPRAH1A integrates a high-speed internal processor with dual redundant network channels inside a compact, rugged housing. The following table details the core operational, electrical, and environmental parameters:\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 Details\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIS220PPRAH1A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMark VIe \/ Mark VIes Speedtronic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunctional Acronym\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePPRA (Emergency Turbine Protection Application)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32-bit Freescale PowerPC Core\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 10\/100 Mbps RJ-45 Ethernet Ports (IONet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSpeed Sensor Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 Magnetic Pickup (MPU) or Active Speed Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlame Monitoring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrates with Geiger-Mueller type sensors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTrip Actuation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControls 3 independent mechanical trip relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Supply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28.0 V DC Nominal (Range: 18.5 to 32.0 V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.5 Watts Maximum\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\u003e-30°C to +65°C (-22°F to +149°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHazardous Certification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNFPA Class 1, Division 2 compliant\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\u003eTrue Autonomous Overspeed Intervention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis pack operates completely separate from the primary turbine control loop. It processes sensor signals locally, ensuring immediate mechanical trip execution even during total central processor lockups or network blackouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless TMR Voting Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe mechanical form factor permits three identical PPRA modules to interlock on a single terminal block. This arrangement builds a robust Triple Modular Redundant (TMR) architecture that executes two-out-of-three (2oo3) hardware voting logic to prevent nuisance trips while ensuring absolute safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Active Cooling Infrastructure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA custom engineered passive heat-sink design dissipates heat efficiently through structural ventilation slits. By discarding mechanical cooling fans, this module eliminates common dust-accumulation failures and extends operational intervals in high-ambient turbine enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Transient Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eShielded internal circuitry blocks high-frequency electromagnetic interference (EMI) originating from surrounding generators and high-voltage switchgear, eliminating false sensor readings and accidental unit trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix the IS220PPRAH1A with different revision codes on the same TMR terminal board?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. To maintain precise synchronicity and correct two-out-of-three voting times across the safety loop, you must install matching revision layers (such as three H1A packs) across the specific terminal assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich terminal blocks accommodate this backup protection pack?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe IS220PPRAH1A connects directly with the TPPRAH1A and TPPRAH2A emergency protection terminal boards via its high-density d-sub connection ports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require field calibration for different gear tooth counts?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal processor handles high-frequency pulse ranges automatically, but you must define the specific gear tooth parameters and overspeed trip thresholds inside the GE ControlST software tool during initial loop commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":53476984848568,"sku":"IS220PPRAH1A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IS220PPRAH1A_3_1.jpg?v=1779084471","url":"https:\/\/www.globalpetroparts.com\/products\/ge-mark-vie-emergency-turbine-backup-protection-module-is220pprah1a","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}