{"product_id":"honeywell-mu-gaih14-analog-input-field-termination-assembly","title":"Honeywell MU-GAIH14 Analog Input Field Termination Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell MU-GAIH14\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMU-GAIH14\u003c\/strong\u003e Analog Input Field Termination Assembly (FTA), operates as a dedicated hardware component for field signal acquisition and galvanic isolation within Honeywell process control platforms. It receives standard 4-20 mA analog input signals across 16 channels from 2-wire and 3-wire transmitters, converting them into conditioned 1 to 5 VDC output signals routed directly to system high-level analog input cards.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMU-GAIH14\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC (approx 1.2 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 Analog Input Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Type\u003c\/td\u003e\n\u003ctd\u003e1 to 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Excitation\u003c\/td\u003e\n\u003ctd\u003eFloating DC excitation for 2-wire\/3-wire loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Type\u003c\/td\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Connection\u003c\/td\u003e\n\u003ctd\u003eC Screw Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe MU-GAIH14 incorporates integrated galvanic isolation circuits designed to decouple field loop wiring from system electronics, effectively eliminating ground loop interference and protecting high-level controllers from common-mode electrical noise. The internal circuitry transparently passes HART digital communication signals superimposed on the primary 4-20 mA analog loop. This signal pass-through architecture ensures that bidirectional HART telemetry and field device diagnostics reach high-level system cards without signal attenuation across all 16 channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the MU-GAIH14 support live hot-swapping under rack power?\u003c\/p\u003e\n\u003cp\u003eA: All power must be completely disconnected from the chassis rack before inserting or removing the assembly to prevent electrical arcs and backplane communication disruption.\u003c\/p\u003e\n\u003cp\u003eQ: How does the FTA handle HART digital communications along with the analog current loop?\u003c\/p\u003e\n\u003cp\u003eA: The internal galvanic isolation barriers and signal conditioning circuits are designed to allow high-frequency HART digital communications to pass unattenuated while converting the 4-20 mA current into a 1 to 5 VDC signal for high-level analog input cards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect all primary 24 VDC power from the rack assembly prior to inserting or seating the module.\u003c\/li\u003e\n\u003cli\u003eMount the assembly securely into the B standard rack slot, verifying complete engagement of backplane connectors.\u003c\/li\u003e\n\u003cli\u003eTerminate incoming 4-20 mA field loops at the designated C screw terminals, taking care to maintain polarity for 2-wire and 3-wire configurations.\u003c\/li\u003e\n\u003cli\u003eUtilize shielded cables for all field instrumentation connections and ground the cable shields to the cabinet common earth point to maintain galvanic isolation integrity.\u003c\/li\u003e\n\u003cli\u003eEnsure cabinet airflow remains unobstructed so the ambient operating environment does not exceed the specified -20 to 60 deg C limit.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52378758349096,"sku":"MU-GAIH14","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MU-GAIH14.png?v=1789370598","url":"https:\/\/www.powerdcs.com\/es\/products\/honeywell-mu-gaih14-analog-input-field-termination-assembly","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}