{"product_id":"ge-is220pprah1a-emergency-turbine-backup-protection-i-o-module","title":"GE IS220PPRAH1A Emergency Turbine Backup Protection I\/O Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eConfigured for overspeed protection and watchdog execution in Mark VIeS distributed turbine control systems, the\u003cstrong\u003e \u003c\/strong\u003eGE \u003cstrong\u003eIS220PPRAH1A\u003c\/strong\u003e, also cataloged as the\u003cstrong\u003e IS220PPRAH1A\u003c\/strong\u003e Emergency Turbine Backup Protection I\/O Module, provides direct physical and electrical signal processing.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eIS220PPRAH1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eGE (General Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e33.0 cm wide x 17.08 cm high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e≤ 15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInput Power Supply Voltage\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eNumber of Transducers\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePressure Wave Frequency Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eNumber of Input Channels\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0-5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMaximum Lead Resistance\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e15 ohm maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMPU Pulse Rate Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eProtocols Supported\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eMODBUS TCP\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSurface-mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPRAH1A integrates into the Mark VIeS backplane with deterministic communication protocols. Profinet and EtherNet\/IP ensure synchronous data exchange between PPRA I\/O packs and supervisory controllers. This deterministic behavior minimizes latency in trip signal propagation and maintains predictable cycle times across redundant channels. I\/O density scaling is achieved by distributing six-speed inputs across three PPRA modules, with firmware flash compatibility maintained for synchronized updates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the IS220PPRAH1A support hot-swap replacement during turbine operation? A: No. Removal or insertion under load is not supported; modules must be powered down before replacement.\u003c\/p\u003e\n\u003cp\u003eQ: What is the typical switching delay in TMR redundancy mode? A: The module executes failover with deterministic cycle timing; switching delay is bounded by the backplane bus cycle, not exceeding one scan interval.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware upgrade backward compatible with PPRO modules? A: Yes. The PPRA firmware is derived from PPRO, with compatibility maintained for shared configuration variables and behavior.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure shielded cabling for all speed sensor inputs, with shields terminated at the TREA terminal board ground.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between high-voltage trip contacts and low-level sensor wiring to reduce cross-talk.\u003c\/li\u003e\n\u003cli\u003eObserve maximum lead resistance limits (≤ 15 ohm) to prevent signal attenuation.\u003c\/li\u003e\n\u003cli\u003eSecure surface-mount installation with full mechanical engagement to avoid vibration-induced loosening.\u003c\/li\u003e\n\u003cli\u003eVerify MODBUS TCP\/IP connectivity with deterministic network configuration before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47633882644670,"sku":"IS220PPRAH1A","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/general-electric-is220ppdah1a-feedback-i-o-pack-iuel5oh12n1.png?v=1759044611","url":"https:\/\/www.autooiltech.com\/products\/ge-is220pprah1a-emergency-turbine-backup-protection-i-o-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}