{"product_id":"9905-972-speed-output-module-woodward","title":"9905-972 Speed Output Module Woodward","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 9905-972\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6-channel LinkNet module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eengineered for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003espeed sensing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoverspeed protection\u003c\/strong\u003e. It interfaces with dual\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emagnetic pickups (VRS)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto monitor rotational speeds up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50,000 RPM\u003c\/strong\u003e. This critical safety module provides fast response times for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL 3-rated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotection loops, ensuring safe turbine and engine operation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9905-972\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% Brand New and Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 to 50,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3ms (at overspeed conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Magnetic \/ Variable Reluctance Sensors (VRS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, RS-485 Modbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-55°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.44 kg\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\u003eSIL 3 Safety Compliance\u003c\/strong\u003e: Meets\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIEC 61508 SIL 3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estandards for functional safety, enabling integration into high-demand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoverspeed protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitectures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Fast Transient Response\u003c\/strong\u003e: Detects overspeed conditions and triggers a response in under\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3 milliseconds\u003c\/strong\u003e, preventing mechanical failure during sudden load rejections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Precision\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e±0.02% accuracy\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures perfect speed monitoring, avoiding false trips and maintaining tight control during grid synchronization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide-Range Thermal Stability\u003c\/strong\u003e: Operates in extreme environments from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-55°C to +85°C\u003c\/strong\u003e, suitable for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-temperature engine skids\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor unheated cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Input Redundancy\u003c\/strong\u003e: Accepts dual magnetic pickups for cross-checking speed data, ensuring safety even with a sensor failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eIs this Woodward 9905-972 module a brand new unit?\u003c\/h4\u003e\n\u003cp\u003eYes, we supply only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 9905-972\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodules in factory-sealed packaging, ensuring full compliance with safety certifications.\u003c\/p\u003e\n\u003ch4\u003eDoes the module require a specific software tool for RPM calibration?\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWoodward’s PC-based service tools\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS-485 Modbus interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare used for configuring speed ranges and trip setpoints, ensuring compatibility with the turbine’s gear tooth count.\u003c\/p\u003e\n\u003ch4\u003eCan the 9905-972 replace older LinkNet speed modules?\u003c\/h4\u003e\n\u003cp\u003eYes, it is an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eadvanced SIL 3 rated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ereplacement for legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLinkNet\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003espeed modules. Ensure compatibility with your system’s CPU by referring to the hardware manual.\u003c\/p\u003e\n\u003ch4\u003eWhat type of cabling does Woodward recommend for the VRS inputs?\u003c\/h4\u003e\n\u003cp\u003eFor best performance, use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshielded twisted-pair cabling\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto minimize interference and maintain the module’s\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u0026lt; 3ms response time\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e±0.02% accuracy\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":52036004872504,"sku":"9905-972","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/9905-972.jpg?v=1775528157","url":"https:\/\/www.automodulexpert.com\/products\/9905-972-speed-output-module-woodward","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}