{"product_id":"xnx-amai-rhnnn-honeywell-xnx-series-universal-gas-transmitter","title":"XNX-AMAI-RHNNN Honeywell XNX Series Universal Gas Transmitter","description":"\u003ch3\u003e\u003cstrong\u003eXNX-AMAI-RHNNN Honeywell XNX Universal Gas Transmitter Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e represents a highly flexible infrastructure platform engineered by \u003cstrong\u003eHoneywell\u003c\/strong\u003e for industrial safety monitoring networks. Operating as a baseline shell transmitter, the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e provides foundational enclosure and wiring terminal blocks designed to accept remote sensors or act as a central junction hub. Its marine-grade aluminum housing delivers exceptional structural integrity in corrosive processing units.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB instrument engineers frequently specify the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e for brownfield facility expansions where existing cabling must interface with upgraded digital communication protocols. During a recent system integration at an offshore oil production platform, our technical team evaluated how the internal Local HART architecture communicates multi-variable diagnostic data across long-distance analog loops. We verified that configuring the transmitter with active relay outputs alongside HART polling allows local hardwired emergency shutdown trips while simultaneously feeding real-time drift metrics to the central distributed control system. This dual-path configuration significantly reduces unexpected instrument loop dropouts during harsh weather anomalies.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eModel Configuration Breakdown \u0026amp; Suffix Coding Tree\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Series:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX\u003c\/strong\u003e\u003c\/span\u003e - Universal Industrial Gas Transmitter Platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure \u0026amp; Approval Suffixes\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproval:\u003c\/strong\u003e A - ATEX \/ IECEx Hazardous Area Certification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Entry:\u003c\/strong\u003e M - Dual M25 Metric Thread Entries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e A - Marine-Grade Epoxy-Coated Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Suffixes\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePersonality Board:\u003c\/strong\u003e I - Interface for Infrared Products (Searchline Excel, Searchpoint Optima, and Generic 4-20mA inputs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Option:\u003c\/strong\u003e R - Integrated Alarm and Fault Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e H - Local HART Digital Communication Protocol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Installed Sensor:\u003c\/strong\u003e NNN - None (Transmitter Body Only \/ Remote or Custom Sensor Configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; border-color: #d3d3d3; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f4f4f4;\"\u003e\n\u003cth style=\"text-align: left; padding: 8px;\"\u003ePerformance Parameter\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 8px;\"\u003eTransmitter Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eBrand \u0026amp; Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\n\u003cstrong\u003eHoneywell Analytics\u003c\/strong\u003e \/ \u003cstrong\u003eXNX Series\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eExact Model Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eInput Signal Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eInfrared gas detectors, optical sensors, and 4-20mA loops\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eSignal Update \u0026amp; Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eSub-second loop refresh with configurable damping\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eMeasurement Precision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003e+\/- 0.5% of span linearity tracking\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eOperating Thermal Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003e-40°C to +65°C (-40°F to +149°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eIngress Protection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eIP66 and NEMA 4X weather-proof standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eElectrical Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eEN 50270 compliant against high-frequency radio interference\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Mass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003e4.4 kg (9.7 lbs) total dry weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications and Suitable Equipment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOffshore production platforms and floating production storage and offloading vessels.\u003c\/li\u003e\n\u003cli\u003ePetrochemical fractionation towers and high-pressure synthesis reactors.\u003c\/li\u003e\n\u003cli\u003eHydrogen fuel storage hubs and industrial gas distribution terminals.\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003eSearchline Excel\u003c\/strong\u003e open-path infrared detectors and \u003cstrong\u003eSearchpoint Optima Plus\u003c\/strong\u003e point gas detectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostics and Troubleshooting Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReal-time microprocessor supervision detects internal bus communication failures instantly.\u003c\/li\u003e\n\u003cli\u003eHART diagnostic commands report low source voltage and electronic component degradation.\u003c\/li\u003e\n\u003cli\u003eConfigurable fault current generation alerts safety PLCs during internal calibration errors.\u003c\/li\u003e\n\u003cli\u003eEvent logging registers historical power cycles and threshold breach durations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Selection Guidance \u0026amp; Cross-Model Comparison\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen engineering a gas detection network, balancing local relay requirements with digital asset management is vital. The \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e provides both onboard alarm relays and Local HART communication for versatile field control. For installations requiring a stainless steel chassis configuration without onboard local HART routing, compare this unit against the alternative model \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/honeywell-xnx-utsi-nhnnn-universal-gas-transmitter-with-local-hart\" style=\"color: #0056b3; text-decoration: underline;\"\u003e\u003cstrong\u003eXNX-UTSI-NHNNN Honeywell XNX Universal Gas Transmitter with Local HART\u003c\/strong\u003e\u003c\/a\u003e. \u003cstrong\u003eEngineering Advice:\u003c\/strong\u003e Choose the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e if your architecture demands heavy-duty aluminum housing combined with direct relay action and HART communication. Select the referenced alternative if stainless steel material constraints supersede local relay needs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLogistics, Fulfillment, and Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Package:\u003c\/strong\u003e One \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e transmitter base unit, M25 plugs, mounting bracket kit, and engineering manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Lead Time:\u003c\/strong\u003e Rapid 24 to 48-hour order processing and global shipment execution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogistics Partners:\u003c\/strong\u003e Express international delivery via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Assurance:\u003c\/strong\u003e Complete 12-month manufacturer defect protection clause.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What specific wiring topology prevents signal attenuation when connecting remote sensors to the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Utilizing shielded twisted-pair instrumentation cable with overall drain wire termination tied strictly to earth ground at the control panel end prevents electromagnetic coupling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the Local HART protocol on the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e interact with existing 4-20mA safety logic loops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: HART superimposes digital frequency shift keying (FSK) communication over the standard analog current loop without disturbing the primary safety trip current values.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the internal alarm relays of the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e be configured for latching operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, instrument technicians can program relay trip behavior via the local magnetic interface or HART handheld communicators into latching or non-latching modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What corrective steps should be taken if an electrochemical or infrared sensor head connected to the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e reports communication timeout errors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Inspect the internal plug-in personality board ribbon connector pin alignment and verify that terminal block screws maintain proper torque to eliminate high resistance contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is aluminum enclosure grounding critical when deploying the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eXNX-AMAI-RHNNN\u003c\/strong\u003e\u003c\/span\u003e in marine environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Proper external grounding prevents galvanic corrosion between the mounting structure and the epoxy-coated housing while ensuring internal surge suppression circuits function correctly during electrical storms.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX.png?v=1787714324\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45386731192502,"sku":"XNX-AMAI-RHNNN","price":205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/XNX-AMSE-NHNNN_32d77b88-7d92-496c-9a41-536e734fdba1.jpg?v=1787886243","url":"https:\/\/www.plcsparehub.com\/products\/xnx-amai-rhnnn-honeywell-xnx-series-universal-gas-transmitter","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}