{"product_id":"honeywell-51309218-175-low-level-analog-mux-fta","title":"Honeywell 51309218-175 Low Level Analog Mux FTA","description":"\u003cp\u003eThe Honeywell 51309218-175 is a Field Termination Assembly (FTA) engineered for multiplexing low-level analog signals within legacy Honeywell FSC and IOP system architectures. As a core component of the MC-TAMR03 Rev. E\/B family, this module serves as the interface layer for RTD and millivolt-level instrumentation inputs in distributed control environments.\u003c\/p\u003e\u003ch3\u003eFunctional Overview\u003c\/h3\u003e\u003cp\u003eThis assembly utilizes electromechanical relay switching to route field signals to the control system input processing stages. By facilitating sequential channel multiplexing, it allows for the integration of multiple critical process sensors into a unified control loop. Please note that this specific model uses electromechanical relay technology; users seeking enhanced lifecycle stability and solid-state reliability are typically directed toward the functionally compatible 51305907-175 replacement unit.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration with Honeywell legacy FSC and IOP systems.\u003c\/li\u003e\n\u003cli\u003eSupports RTD and low-level analog signal multiplexing.\u003c\/li\u003e\n\u003cli\u003eElectromechanical relay-based channel selection.\u003c\/li\u003e\n\u003cli\u003ePassive field termination design requiring no internal power source.\u003c\/li\u003e\n\u003cli\u003eStandardized interface for critical instrumentation loops in industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis FTA is historically utilized in process industries where high-density signal termination is required, including power generation, petrochemical refining, and complex manufacturing facilities. It is primarily deployed in systems requiring stable, low-level analog input conditioning for temperature and millivolt process variables.\u003c\/p\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 Family\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\u003eLow level analog \/ RTD\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\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003ePassive (No internal supply)\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 to prevent electrical transients.\u003c\/li\u003e\n\u003cli\u003eVerify that all field wiring is properly terminated to the designated screw terminals to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eMaintain proper spacing in the cabinet to ensure adequate airflow, as the module operates within a 0 to 60 deg C range.\u003c\/li\u003e\n\u003cli\u003eHandle with care to avoid mechanical stress on the relay components.\u003c\/li\u003e\n\u003cli\u003eAdhere to standard ESD protection practices when handling electronic interface modules.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 51309218-175 still the current standard for this application?\u003c\/h3\u003e\u003cp\u003eNo, this model has been superseded by the 51305907-175. The newer model replaces the electromechanical relays with solid-state switching technology to eliminate wear-related failures.\u003c\/p\u003e\u003ch3\u003eDoes this module require an external power supply?\u003c\/h3\u003e\u003cp\u003eNo, the 51309218-175 is a passive field termination assembly and does not require its own dedicated power supply.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44010055991386,"sku":"51309218-175","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_f5d89cda-4d24-4e90-a836-f71f3ade06d1.jpg?v=1788502243","url":"https:\/\/www.spareoil.com\/products\/honeywell-51309218-175-low-level-analog-mux-fta","provider":"SpareOil Automation","version":"1.0","type":"link"}