{"product_id":"signal-input-relay-board-81546-01-bently-nevada-3300-53-accessory","title":"Signal Input Relay Board 81546-01 Bently Nevada 3300\/53 Accessory","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada 81546-01 is a high-reliability signal input relay board specifically engineered for the 3300 series machinery protection environment. This component acts as the critical hardware interface for the 3300\/53 monitor, facilitating the secure routing of sensor data and recording signals. Built to withstand the rigors of heavy industrial applications, the board utilizes dual hermetically-sealed relays to maintain signal integrity even in contaminated or volatile atmospheres. Its architecture is strictly aligned with the API 670 standard, ensuring that the system provides the non-contacting vibration and position monitoring required for high-speed turbomachinery and other mission-critical assets.\u003c\/p\u003e\n\u003ch3\u003eHardware Infrastructure and Physical Metrics\u003c\/h3\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\u003eTechnical Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBoard Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSignal Input \u0026amp; Relay Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRelay Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Hermetically-Sealed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Compliance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAPI 670 Requirements\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptimized at \u0026lt; 2.5 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40°C to +70°C (-40°F to +158°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMonitored Variables\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVibration, Position, Temperature, Pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTotal Unit Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.4 kg (0.88 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBoard Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22.9 cm x 5.1 cm x 10.2 cm (9.0 x 2.0 x 4.0 inches)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eStrategic Industrial Deployment\u003c\/h3\u003e\n\u003cp\u003eThis signal input board is a fundamental element in automated machinery protection strategies. It is essential for industrial operations where downtime is not an option and signal reliability is paramount. Typical implementations include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRefinery and Petrochemical Plants: Processing critical sensor data for high-pressure compressors and pumps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower Generation Facilities: Managing the input signals for steam and gas turbine vibration monitoring arrays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNatural Gas Transmission: Providing a robust interface for remote station monitors where temperature extremes are common.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMarine Engineering: Oversight of shipboard propulsion systems requiring hermetic protection against salt-air corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy Manufacturing: Integrating with 3300 racks to monitor spindle vibration and axial position in large-scale mills.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the hermetic relays on the 81546-01 board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The hermetically-sealed relays protect the electrical contacts from environmental contaminants like moisture, dust, and corrosive gases, ensuring long-term switching reliability in harsh plant conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this relay board compatible with 3500 series racks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the 81546-01 is specifically designed for the Bently Nevada 3300 Series Monitoring System and is not cross-compatible with the physical architecture of the 3500 series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this board support both vibration and temperature inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, it is designed to handle a variety of signal inputs including vibration, position, pressure, and temperature, provided they are routed through the compatible 3300\/53 monitor module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is API 670 compliance important for this component?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: API 670 is the industry standard for machinery protection systems. Compliance ensures that the hardware meets rigorous requirements for accuracy, reliability, and safety in oil and gas applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this board be replaced while the rest of the rack is powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: While the 3300 system is durable, it is best practice to follow your facility's specific safety procedures and verify if the monitor associated with this relay board needs to be bypassed before removal to prevent accidental trips.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45847814340781,"sku":"81546-01","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/81546-01_3.jpg?v=1774512844","url":"https:\/\/www.maxwellplc.com\/products\/signal-input-relay-board-81546-01-bently-nevada-3300-53-accessory","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}