{"product_id":"bently-nevada-81545-01-signal-input-dual-relay-module","title":"Bently Nevada 81546-01 Signal Input Relay Card","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 81546-01 is a specialized Signal Input Relay Card designed for integration within Bently Nevada machinery protection systems. This module serves as a critical interface component, translating conditioned signals from monitoring modules into discrete relay outputs. It is engineered to facilitate the reliable transmission of Alert and Danger status signals to external control infrastructure, including Distributed Control Systems (DCS), Programmable Logic Controllers (PLCs), and emergency shutdown circuits.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFacilitates Alert and Danger alarm relay actuation based on input from monitoring modules.\u003c\/li\u003e\n\u003cli\u003eProvides dry contact electromechanical relay outputs for robust interfacing.\u003c\/li\u003e\n\u003cli\u003eSupports integration with external trip circuits, alarm annunciators, and plant-wide control systems.\u003c\/li\u003e\n\u003cli\u003eDesigned for high-reliability operation in critical machinery protection environments.\u003c\/li\u003e\n\u003cli\u003eSupports redundant relay configurations to enhance system availability and fault tolerance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTurbine and centrifugal compressor protection systems.\u003c\/li\u003e\n\u003cli\u003eIndustrial alarm annunciation and monitoring racks.\u003c\/li\u003e\n\u003cli\u003eShutdown logic interfacing for rotating machinery.\u003c\/li\u003e\n\u003cli\u003ePredictive maintenance and condition monitoring signal routing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e81546-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSignal Input Relay Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical, dry contact\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 the rack system is powered down before inserting or removing the relay card to prevent electrical damage or unintended relay actuation.\u003c\/li\u003e\n\u003cli\u003eVerify proper seating of the card within the 3300\/3500 rack backplane to ensure reliable signal path continuity.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for all external relay output connections to minimize electromagnetic interference (EMI) in industrial environments.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding of the rack system in accordance with Bently Nevada installation manuals to protect against transient surges.\u003c\/li\u003e\n\u003cli\u003eObserve standard ESD (Electrostatic Discharge) precautions when handling the module to prevent damage to sensitive internal components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 81546-01 relay card?\u003c\/h3\u003e\u003cp\u003eThe 81546-01 acts as an interface between monitoring modules and external control systems, providing dry contact relay outputs that trigger when Alert or Danger alarm conditions are met.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with standard PLC systems?\u003c\/h3\u003e\u003cp\u003eYes, the relay card is designed to interface with external control systems, including PLCs and DCS, by providing discrete contact closures that these systems can monitor as digital inputs.\u003c\/p\u003e\u003ch3\u003eWhat environmental conditions are required for this card?\u003c\/h3\u003e\u003cp\u003eThis module is rated for operation within an ambient temperature range of 0 to 60 degC. It should be installed in a clean, controlled environment typical of industrial rack-mounted monitoring systems.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":51192899404028,"sku":"81546-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_4d7fe256-722f-411e-b706-c9dcae8f7ffd.jpg?v=1788119663","url":"https:\/\/www.electronicplc.com\/ar\/products\/bently-nevada-81545-01-signal-input-dual-relay-module","provider":"Electronic PLC","version":"1.0","type":"link"}