{"product_id":"honeywell-51309218-175-low-level-analog-mux-fta","title":"Honeywell 51309218-175 Low Level Analog Mux FTA","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Honeywell 51309218-175 is a legacy Field Termination Assembly (FTA) engineered for low-level analog signal multiplexing within Honeywell FSC and IOP system architectures. As a component of the MC-TAMR03 Rev. E\/B family, this unit was historically utilized to facilitate the conditioning and routing of RTD and low-level analog inputs in complex distributed control environments, including refineries and power generation facilities.\u003c\/p\u003e\u003ch3\u003eFunctional Design\u003c\/h3\u003e\u003cp\u003eThis FTA operates via an electromechanical relay-based switching mechanism to perform channel multiplexing. It serves as a critical interface layer between field instrumentation and the control system input processing modules. Please note that this specific model has been superseded in modern applications by the 51305907-175 unit, which utilizes solid-state switching technology to mitigate the mechanical relay degradation issues identified in earlier designs.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration with Honeywell low-level analog input IOP systems.\u003c\/li\u003e\n\u003cli\u003eSupports routing for RTD and millivolt-range instrumentation signals.\u003c\/li\u003e\n\u003cli\u003eProvides a centralized field termination point for analog loops.\u003c\/li\u003e\n\u003cli\u003eElectromechanical relay architecture for sequential channel switching.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51309218-175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eLow Level Analog Mux FTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eMC-TAMR03 Rev. E\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Technology\u003c\/td\u003e\n\u003ctd\u003eElectromechanical Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eRTD, Low-level Analog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the control system is powered down before installing or removing the FTA from the cabinet.\u003c\/li\u003e\n\u003cli\u003eVerify that all field wiring is properly labeled and matches the terminal assignments to avoid signal cross-talk or measurement errors.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for shield termination to minimize electromagnetic interference (EMI) in low-level signal loops.\u003c\/li\u003e\n\u003cli\u003eGiven the mechanical nature of the relays, ensure the installation environment is free from excessive vibration and corrosive particulates.\u003c\/li\u003e\n\u003cli\u003eHandle with standard ESD precautions to protect sensitive interface circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the 51309218-175 still the current recommended part?\u003c\/strong\u003e No, this model has been functionally replaced by the 51305907-175, which features solid-state switching to improve reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this module?\u003c\/strong\u003e It acts as a multiplexer and field termination point for low-level analog and RTD signals in legacy Honeywell control architectures.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48821627060414,"sku":"51309218-175","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_5d6985cc-1ebb-4b23-b14e-a56e3bd940b9.jpg?v=1788239016","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51309218-175-low-level-analog-mux-fta","provider":"AutoOilTech Limited","version":"1.0","type":"link"}