{"product_id":"honeywell-mc-tamr03-51309218-175-field-termination-assembly","title":"Honeywell MC-TAMR03 51309218-175 Field Termination Assembly","description":"\u003ch1\u003eHoneywell MC-TAMR03 51309218-175 Field Termination Assembly\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell MC-TAMR03 51309218-175\u003c\/strong\u003e is a Low-Level Analog Input Multiplexer Field Termination Assembly (LLMUX RTD FTA) designed for resistance temperature measurement applications within Honeywell control systems. The assembly provides field termination, signal routing, and sensor interface functions for low-level RTD inputs, supporting accurate temperature acquisition through multiplexer-based analog input architectures.\u003c\/p\u003e\n\u003ch3\u003eRTD Measurement Interface\u003c\/h3\u003e\n\u003cp\u003eMC-TAMR03 is designed specifically for RTD temperature sensing applications and supports:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e10 Ohm RTDs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e100 Ohm RTDs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e120 Ohm RTDs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe assembly routes sensor signals between field wiring and the associated multiplexer processing hardware while maintaining measurement integrity for low-level resistance inputs.\u003c\/p\u003e\n\u003cp\u003eA precision excitation current source is integrated into the measurement path, allowing accurate RTD resistance measurement and compensation of sensor circuit characteristics.\u003c\/p\u003e\n\u003ch3\u003eMultiplexer Architecture\u003c\/h3\u003e\n\u003cp\u003eEach FTA supports 16 RTD input channels. In Honeywell low-level analog multiplexer systems, multiple FTAs can be combined with a dedicated LLMUX processor to expand overall temperature monitoring capacity.\u003c\/p\u003e\n\u003cp\u003eThe assembly serves as the field wiring interface rather than performing signal processing itself. Analog conversion and multiplexing functions are handled by the associated processing hardware.\u003c\/p\u003e\n\u003ch3\u003eMeasurement Performance\u003c\/h3\u003e\n\u003cp\u003eThe LLMUX architecture provides one complete scan per second across all connected channels.\u003c\/p\u003e\n\u003cp\u003eKey measurement characteristics include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e14-bit analog-to-digital resolution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTypical accuracy: ±0.1 deg C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum accuracy error: ±0.5 deg C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic open-sensor diagnostics every 30 seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese capabilities support continuous monitoring of RTD circuits while providing fault detection for disconnected or failed sensors.\u003c\/p\u003e\n\u003ch3\u003eIsolation and Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe assembly provides galvanic isolation between field channels and the system interface, helping protect control system electronics from field-side electrical disturbances.\u003c\/p\u003e\n\u003cp\u003eIsolation ratings are specified as:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 250 Vac peak\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to ±250 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis isolation improves measurement reliability in electrically noisy industrial environments.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Construction\u003c\/h3\u003e\n\u003cp\u003eMC-TAMR03 uses screw-type compression terminals for field wiring termination. The assembly is supplied with conformal coating as standard, providing protection against moisture, dust, and corrosive atmospheres.\u003c\/p\u003e\n\u003cp\u003eThe module should be mounted in an upright orientation within an approved enclosure, consistent with the requirements of the associated multiplexer system architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMC-TAMR03\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e51309218-175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternate Part Numbers\u003c\/td\u003e\n\u003ctd\u003e51309218-125, 51304718-575\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLow-Level Analog Input Multiplexer Field Termination Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbbreviation\u003c\/td\u003e\n\u003ctd\u003eLLMUX RTD FTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003e10 Ohm, 100 Ohm, 120 Ohm RTDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e16 RTD channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Rate\u003c\/td\u003e\n\u003ctd\u003e1 scan\/s across all channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Accuracy Error\u003c\/td\u003e\n\u003ctd\u003e±0.5 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Sensor Detection\u003c\/td\u003e\n\u003ctd\u003eAutomatic, every 30 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e250 Vac peak or ±250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew-type compression terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003eSingle IOP interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Power\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation Source\u003c\/td\u003e\n\u003ctd\u003eIntegrated RTD excitation current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eConformally coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e308 mm x 121 mm x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.75 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd\u003eUpright\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDiagnostic Features\u003c\/h3\u003e\n\u003cp\u003eThe assembly continuously supports open-circuit sensor monitoring. Automatic diagnostics are executed every 30 seconds to identify disconnected RTDs and wiring faults, allowing maintenance personnel to quickly locate field issues.\u003c\/p\u003e\n\u003cp\u003eBecause the assembly handles low-level RTD signals, proper wiring practices and terminal integrity are important for maintaining specified measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sensor types can be connected to the MC-TAMR03?\u003c\/strong\u003e\u003cbr\u003eA: The assembly is designed for RTD temperature sensing applications and supports 10 Ohm, 100 Ohm, and 120 Ohm RTD sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the MC-TAMR03 perform analog signal conversion?\u003c\/strong\u003e\u003cbr\u003eA: The FTA provides field termination and signal routing functions for the LLMUX system. Measurement processing is performed by the associated multiplexer hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How are sensor failures detected?\u003c\/strong\u003e\u003cbr\u003eA: The system performs automatic open-sensor diagnostics at 30-second intervals, allowing detection of disconnected sensors or wiring faults.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67873851801699,"sku":"MC-TAMR03 51309218-175","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/MC-TAIH02_2.png?v=1790062433","url":"https:\/\/precisemodule.com\/products\/honeywell-mc-tamr03-51309218-175-field-termination-assembly","provider":"Precise Module Ltd.","version":"1.0","type":"link"}