{"product_id":"honeywell-xf821a-panel-bus-analog-input-module","title":"Honeywell XF821A Panel Bus Analog Input Module","description":"\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003cdiv class=\"textContainer headline headline-cursor\"\u003e\n\u003ch3\u003e\n\u003cstrong\u003eOverview\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell XF821A\u003c\/strong\u003e is a high-precision pluggable Panel Bus analog input module engineered for Excel 800 and CIPer™ 50 automation platforms. It captures analog signals such as temperature, humidity, and pressure from field sensors and converts them into digital data for controllers, enabling reliable real-time monitoring and process control.\u003c\/p\u003e\n\u003cp\u003eDesigned for panel-mounted systems, this module works in conjunction with the \u003cstrong\u003eXS821-22 terminal base\u003c\/strong\u003e, allowing pre-wiring, simplified maintenance, and module replacement without interrupting bus or power continuity.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\nSpecification\n\u003c\/th\u003e\n\u003cth\u003e\nDetails\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nManufacturer\n\u003c\/td\u003e\n\u003ctd\u003e\nHoneywell\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nModel\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eXF821A\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nProduct Type\n\u003c\/td\u003e\n\u003ctd\u003e\nPanel Bus Analog Input Module\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCompatible Systems\n\u003c\/td\u003e\n\u003ctd\u003e\nExcel 800, CIPer™ 50\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nInput Signals\n\u003c\/td\u003e\n\u003ctd\u003e\nAnalog: Temperature, Humidity, Pressure, and other 0–10 V or 4–20 mA sensor outputs\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nMounting\n\u003c\/td\u003e\n\u003ctd\u003e\nPanel Bus socket via \u003cstrong\u003eXS821-22\u003c\/strong\u003e terminal base\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nDesign\n\u003c\/td\u003e\n\u003ctd\u003e\nPluggable, hot-swappable electronic module\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nPower Supply\n\u003c\/td\u003e\n\u003ctd\u003e\n24 VDC typical (check system bus compatibility)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nAccuracy\n\u003c\/td\u003e\n\u003ctd\u003e\n±0.2% of full scale (typical for standard sensors)\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nOperating Temperature\n\u003c\/td\u003e\n\u003ctd\u003e\n0–60°C\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nStorage Temperature\n\u003c\/td\u003e\n\u003ctd\u003e\n–20–70°C\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nHumidity\n\u003c\/td\u003e\n\u003ctd\u003e\n5–95% RH, non-condensing\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nResponse Time\n\u003c\/td\u003e\n\u003ctd\u003e\n\u0026lt;100 ms typical\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nIsolation\n\u003c\/td\u003e\n\u003ctd\u003e\nChannel-to-bus isolation ≥500 V\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\nCertification\n\u003c\/td\u003e\n\u003ctd\u003e\nUL, CE compliant\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nPlug-and-play design allows module replacement without bus interruption\n\u003c\/li\u003e\n\u003cli\u003e\nTerminal base pre-wiring minimizes downtime during installation or upgrades\n\u003c\/li\u003e\n\u003cli\u003e\nSupports multiple analog sensor types for flexible building or industrial automation\n\u003c\/li\u003e\n\u003cli\u003e\nHot-swappable for continuous operation and easy maintenance\n\u003c\/li\u003e\n\u003cli\u003e\nReliable performance in demanding environments with EMI-resistant electronics\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nBuilding automation systems: HVAC temperature, humidity, and pressure monitoring\n\u003c\/li\u003e\n\u003cli\u003e\nIndustrial process control for real-time analog signal acquisition\n\u003c\/li\u003e\n\u003cli\u003e\nRetrofit or upgrade projects where minimal downtime is critical\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the XF821A module be replaced without shutting down the system?\u003c\/strong\u003e\r\nA: Yes, the module is hot-swappable. You can replace it while the bus and power remain active.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which sensors are compatible with XF821A?\u003c\/strong\u003e\r\nA: It supports standard analog sensors including 0–10 V and 4–20 mA outputs, such as temperature, humidity, and pressure transducers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between XF821A and XF820A?\u003c\/strong\u003e\r\nA: XF821A provides enhanced signal accuracy and supports a wider range of analog sensor types compared to XF820A, making it better suited for critical automation tasks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52762036732189,"sku":"XF821A","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/XF821A_1000.jpg?v=1787222236","url":"https:\/\/www.6gcontrols.com\/fr\/products\/honeywell-xf821a-panel-bus-analog-input-module","provider":"6G Controls","version":"1.0","type":"link"}