{"product_id":"a6370-overspeed-health-monitor-board-for-steam-turbines","title":"A6370 Overspeed Health Monitor Board for Steam Turbines","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEmerson EPRO A6370\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the primary safety intelligence for the AMS 6300 SIS (Safety Instrumented System). This overspeed protection monitor detects and reacts to hazardous speed conditions in steam turbines, gas turbines, and high-capacity compressors. By processing high-frequency pulses from diverse sensor types, the A6370 ensures the mechanical integrity of rotating assets. We supply this board as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Sealed\u003c\/strong\u003e, meeting the rigorous standards required for SIL-rated safety environments in power generation and oil and gas facilities.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe A6370 combines high-speed signal processing with broad sensor compatibility to maintain a 24\/7 safety watch.\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\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\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAMS 6300 SIS (Requires A6371 Backplane)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 Hz to 20 kHz (High-resolution detection)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensor Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEddy-Current, Hall-Effect, Magnetic (VR) Sensors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensor Power Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24.5 V DC ±1.5 V (Short-circuit proof)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0–26 V (Passive\/Active Pulse)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 kΩ\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 (With forced cooling)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.38 kg (Standard Board Weight)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 cm x 17 cm x 6.5 cm\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 Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA standard AMS 6300 SIS configuration utilizes three A6370 monitors paired with an A6371 backplane. This 2-out-of-3 (2oo3) voting logic eliminates single points of failure, preventing both nuisance trips and dangerous failures to trip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Frequency Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module processes signals up to 20 kHz. This allows for precise speed detection even on shafts with high-tooth-count pulse wheels, ensuring rapid response times during sudden load rejections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Sensor Interfacing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe A6370 provides a galvanically separated 24.5V DC supply for active sensors. It accepts inputs from Hall-effect, eddy-current, and magnetic variable reluctance (VR) sensors, allowing engineers to standardize on one monitor regardless of the field sensor technology.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal circuitry isolates sensor inputs from the system power supply. This protection prevents field-side electrical surges or ground loops from damaging the central monitoring rack, maintaining system uptime in harsh industrial environments.\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\u003eDoes the A6370 work as a standalone speed monitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The A6370 requires the A6371 backplane for power distribution and output relay logic. It must reside within a 19-inch 3RU rack specifically designed for the AMS 6300 SIS series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix different sensor types on a single A6370 board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe A6370 supports multiple sensor technologies; however, for a redundant SIS loop, we recommend using identical sensors across the three monitors to ensure consistent signal timing and logic voting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a sensor cable shorts out?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe A6370 features a short-circuit proof sensor voltage supply. If a field-side short occurs, the module limits the current to 35mA, protecting the internal electronics and flagging a \"Sensor Fault\" status without taking the entire protection system offline.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs cooling necessary for the A6370 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor ambient temperatures exceeding +55 °C, you must implement forced air cooling within the rack. Maintaining the board within its specified thermal range prevents component degradation and ensures the 12-month warranty remains valid.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43151614115930,"sku":"A6370","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/408._ce2cd32d-9fac-4840-9ae2-c75ec99bd5ac.jpg?v=1774863102","url":"https:\/\/www.spareoil.com\/products\/a6370-overspeed-health-monitor-board-for-steam-turbines","provider":"SpareOil Automation","version":"1.0","type":"link"}