{"product_id":"3bse022460r1-tu846-abb-s800-i-o-redundant-module-termination-unit","title":"3BSE022460R1 TU846 ABB S800 I\/O Redundant Module Termination Unit","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe TU846 3BSE022460R1 is a high-availability Module Termination Unit (MTU) engineered specifically for the ABB S800 I\/O system's redundant configurations.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis passive unit serves as the essential mounting foundation for dual CI840 or CI840A Field Communication Interfaces (FCI).\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy providing the electrical and mechanical pathways for synchronized communication,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe TU846 ensures that control data remains uninterrupted even during a single hardware fault.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt integrates power distribution,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eredundant ModuleBus connectivity,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand physical addressing into a single,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003espace-efficient chassis,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaking it a cornerstone for systems where process uptime is non-negotiable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eCritical Hardware Metrics and Interface Details\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe TU846 is designed for maximum connectivity and fail-safe operation within high-density Distributed Control System (DCS) environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRedundancy Support:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDual-slot capacity for CI840\/CI840A field communication units.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eNetwork Interfacing:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with two PROFIBUS connections and two dedicated service tool ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eAddressing System:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFeatures dual rotary switches for manual station address assignment (Range 0-99).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eBus Architecture:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports two electrical ModuleBuses and is compatible with TB842 Optical Port expansion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Profile:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e12.\u003c\/span\u003e\u003cspan class=\"\"\u003e7cm x 5.\u003c\/span\u003e\u003cspan class=\"\"\u003e1cm x 20.\u003c\/span\u003e\u003cspan class=\"\"\u003e3cm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eUnit Mass:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e3 kg.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSafety Mechanism:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFour mechanical keys (two per position) offering 36 unique coding variables to prevent incorrect module insertion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMounting \u0026amp; Grounding:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated 35mm DIN rail latching system with automatic functional grounding.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eStrategic Industrial Implementations\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThis redundant termination unit is a fundamental component for mission-critical automation in heavy industries.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIn the oil and gas and petrochemical sectors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe TU846 is utilized to maintain constant communication between field instrumentation and the safety shutdown system,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhere any loss of signal could lead to costly operational interruptions.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is equally indispensable in power generation facilities for monitoring turbine and boiler sequences,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding the high-reliability backbone required for 24\/7 power production.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts rugged Swedish engineering ensures long-term stability in high-vibration environments,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhile the ability to facilitate redundant I\/O clusters allows maintenance teams to perform hardware swaps without de-energizing the entire control loop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45518972092589,"sku":"3BSE022460R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb-tu846-3bse022460r1-module-termination-unit-tmwj1flzftf.jpg?v=1766983489","url":"https:\/\/www.maxwellplc.com\/products\/3bse022460r1-tu846-abb-s800-i-o-redundant-module-termination-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}