{"product_id":"f3bu20-0n-fa-m3-h1-communication-module-new-original","title":"F3BU20-0N FA-M3 H1 Communication Module | New Original","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa F3BU20-0N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance, dual-channel communication gateway for the FA-M3 PLC series. This module integrates smart field instrumentation directly into the control architecture via the FOUNDATION Fieldbus H1 protocol. It manages bidirectional data exchange with transmitters, actuators, and positioners, transforming raw process variables into actionable diagnostic insights. Designed for mission-critical digital transformation, the F3BU20-0N enables advanced asset management in the most demanding industrial sectors.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Note:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure total compatibility with your Yokogawa FA-M3 system and field segments.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe F3BU20-0N combines high device density with a ruggedized physical layer to maintain network integrity.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFOUNDATION Fieldbus H1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Independent Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDevice Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 31 devices per channel (62 total)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40°C to +70°C (-40°F to +158°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHazardous Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClass I, Division 2, Groups A, B, C, D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP66 (Dust-tight and water-jet resistant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 x 28 x 80 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHost Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS-485 Communication Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe F3BU20-0N solves complex integration challenges through superior hardware engineering:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Extraction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module does more than transmit process values; it pulls multi-variable data and device health status from H1 field instruments. This allows your FA-M3 CPU to trigger predictive maintenance alerts before a device failure causes an unplanned shutdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Environmental Constraints:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a massive operating window from -40°C to +70°C, this module thrives where standard electronics fail. It removes the requirement for costly climate-controlled cabinets in remote desert or sub-zero environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximized Wiring Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy supporting up to 62 devices per module, the F3BU20-0N drastically reduces the cabling footprint. It consolidates field data over a single \"home-run\" cable, significantly lowering installation costs compared to traditional point-to-point analog wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocalized Resilience (IP66):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe housing provides exceptional protection against fine particulates and high-pressure water. This makes the module ideal for \"wash-down\" zones in food processing or high-dust environments like cement and mining facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Hazardous Zone Deployment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Class I, Div 2 certification permits installation in proximity to volatile processes. This localized mounting shortens fieldbus segments and simplifies overall system safety loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the F3BU20-0N provide power to the H1 field instruments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This module handles data communication only. You must install a dedicated Fieldbus Power Supply and a power conditioner to energize the H1 segment and its connected devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum distance I can run an H1 segment using this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollowing standard H1 physical layer rules, the maximum trunk length is 1,900 meters using Type A shielded twisted-pair cable. If your application requires longer distances, you must implement active repeaters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the IP66 rating benefit me if the module is inside a cabinet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IP66 rating serves as a secondary defense. In harsh chemical plants or offshore rigs, corrosive moisture and fine dust often penetrate cabinet seals over time. The F3BU20-0N’s internal protection ensures the module remains operational even if the outer enclosure integrity is compromised.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs it possible to replace this module while the PLC is running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHot-swap capability depends on your specific FA-M3 base unit and CPU firmware version. We recommend checking your system configuration settings before removal to avoid interrupting active Fieldbus segments and causing downstream device timeouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43155494961242,"sku":"F3BU20-0N","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/179_3e21696d-0402-4f03-bf05-35cd95f15c37.jpg?v=1774929054","url":"https:\/\/www.spareoil.com\/products\/f3bu20-0n-fa-m3-h1-communication-module-new-original","provider":"SpareOil Automation","version":"1.0","type":"link"}