{"product_id":"bently-nevada-84141-01-xdcr-i-o-record-terminal","title":"Bently Nevada 84157-01 Signal Relay Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 84157-01 Signal Relay Board is an essential component designed for integration within Bently Nevada machinery protection systems. This board serves as the critical interface between monitoring modules—such as those tracking vibration, thrust, or temperature—and external facility infrastructure. By facilitating the transmission of Alert and Danger status signals, it enables reliable communication with DCS, PLC, and emergency shutdown circuits, ensuring that machinery protection logic is executed effectively.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides dedicated relay outputs for Alert and Danger alarm conditions.\u003c\/li\u003e\n\u003cli\u003eSupports integration with external trip circuits, annunciators, and control systems.\u003c\/li\u003e\n\u003cli\u003eDesigned for high-reliability operation within Bently Nevada rack-based monitoring environments.\u003c\/li\u003e\n\u003cli\u003eFacilitates fail-safe alarm signaling to maintain system integrity during abnormal machinery states.\u003c\/li\u003e\n\u003cli\u003eCompatible with redundant relay configurations for critical protection applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMachinery protection and condition monitoring systems.\u003c\/li\u003e\n\u003cli\u003eAutomated shutdown logic interfacing.\u003c\/li\u003e\n\u003cli\u003eAlarm annunciation and facility safety systems.\u003c\/li\u003e\n\u003cli\u003ePredictive maintenance and diagnostic monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e84157-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSignal Relay Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical dry contact relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure all power is disconnected from the rack before inserting or removing the relay board to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eHandle the module using standard ESD (Electrostatic Discharge) protection practices to avoid damaging sensitive internal components.\u003c\/li\u003e\n\u003cli\u003eVerify that the rack slot is clean and free of debris before seating the board.\u003c\/li\u003e\n\u003cli\u003eEnsure all field wiring is properly secured to the terminal blocks and routed to minimize EMI (Electromagnetic Interference) exposure.\u003c\/li\u003e\n\u003cli\u003eConfirm proper relay configuration within the system software to match the intended alarm logic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 84157-01?\u003c\/strong\u003e\u003cbr\u003eThe 84157-01 acts as a relay output interface, converting internal alarm conditions from monitoring modules into physical dry contact signals for external systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this board compatible with 3500 series racks?\u003c\/strong\u003e\u003cbr\u003eYes, this component is designed for use within established Bently Nevada rack systems to support machinery protection and alarm relay requirements.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44052069089370,"sku":"84157-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_fbc2a9d8-30e9-4b19-a88d-8d917d909a22.jpg?v=1789173928","url":"https:\/\/www.spareoil.com\/ar\/products\/bently-nevada-84141-01-xdcr-i-o-record-terminal","provider":"SpareOil Automation","version":"1.0","type":"link"}