{"product_id":"is220pprah1a-mark-vies-emergency-turbine-backup-protection-i-o-module-general-electric","title":"IS220PPRAH1A Mark VIeS Emergency Turbine Backup Protection I\/O Module | General Electric","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIS220PPRAH1A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the primary hardware interface for emergency turbine backup protection within the General Electric Mark VIeS safety control platform. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal I\/O module monitors critical turbine parameters, including speed and pressure waves, to trigger emergency trip protocols independently of the primary control loops. By integrating high-speed pulse rate detection and specialized pressure transducer interfaces, the IS220PPRAH1A prevents catastrophic mechanical failure during overspeed or surge events in utility-scale power generation assemblies.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPRAH1A utilizes precision analog-to-digital conversion and high-speed pulse tracking to ensure failsafe turbine operation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMark VIeS (Safety Instrumented System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEmergency Turbine Backup Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 High-Speed Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 - 5 V DC\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\u003e24 V DC (Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤ 15 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTransducer Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Transducer Interfaces\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMPU Pulse Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStarts from 2 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMODBUS TCP\/IP Support\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States (USA)\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\u003eRedundant Safety Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe IS220PPRAH1A operates within the Mark VIeS \"Safety\" architecture. It provides a secondary, autonomous layer of protection that overrides standard control commands if turbine speed or pressure parameters exceed SIL-rated safety limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Frequency Signal Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard I\/O packs, this module processes pressure wave frequencies as low as 1.5 Hz and MPU pulse rates starting at 2 Hz. This sensitivity allows the system to monitor turbine health during critical startup and coast-down phases where signal strength typically diminishes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Communication Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports MODBUS TCP\/IP protocols. This feature enables seamless data integration with third-party monitoring systems or Human Machine Interfaces (HMI), providing real-time visibility into the safety trip status without compromising the IONet primary bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Hardware Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe surface-mount design and 1.2 kg chassis withstand significant mechanical vibration. It tolerates a maximum lead resistance of\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$15\\Omega$\u003c\/span\u003e, allowing for flexible wiring runs from field-mounted magnetic pickups to the control cabinet without signal degradation.\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\u003eIs this IS220PPRAH1A module supplied as a new or refurbished unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal GE factory stock. It arrives in the original manufacturer's packaging with the latest engineering revision to ensure full compliance with GE's turbine safety specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this module interface with the primary Mark VIeS controllers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module communicates via the redundant IONet Ethernet fabric. It also offers MODBUS TCP\/IP connectivity for data logging and external system synchronization, ensuring your safety data remains accessible across the plant network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific sensors does the IS220PPRAH1A support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt primarily interfaces with Magnetic Pickup Units (MPUs) for speed detection and specialized pressure transducers. The 0-5 V DC input range handles most industrial-grade safety sensors used in modern steam and gas turbine emergency systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module operate in unconditioned control rooms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The IS220PPRAH1A maintains rated accuracy across a temperature range of -20°C to +70°C. Its ruggedized construction prevents thermal drift, making it suitable for demanding environments adjacent to the turbine deck.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52525490340149,"sku":"IS220PPRAH1A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS220PTURH1B_2975cbcf-e447-4884-80f1-58cb805f219a.jpg?v=1775100870","url":"https:\/\/www.5gplc.com\/products\/is220pprah1a-mark-vies-emergency-turbine-backup-protection-i-o-module-general-electric","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}