{"product_id":"tu845-abb-3bse021447r1-vertical-mount-termination-unit","title":"TU845 ABB 3BSE021447R1 Vertical Mount Termination Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB TU845 (3BSE021447R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a robust Module Termination Unit (MTU) designed for the S800 I\/O system. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecomponent provides the essential interface between field wiring and I\/O modules, specifically supporting redundant configurations for AI845 modules. It accommodates up to 8 I\/O channels and facilitates seamless signal distribution across the ModuleBus. By integrating electrical connections and address logic into a single vertical-mount unit, the TU845 ensures high-density signal management for System 800xA and other ABB controller platforms.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eDetails\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTU845\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3BSE021447R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Rated Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Rated Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 A per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAI845, AI880, AI880A, DP840\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcess Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 Terminals (2 per channel + ZP), 4 Process Power, 20 ZP (0 V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Orientation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVertical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Ambient Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e55 ºC (131 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.6 kg (Net) \/ 1.5 kg (Shipping)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLatch Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Locking Latch for DIN rail\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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe TU845 specifically accommodates redundant AI845 modules. This dual-slot capability ensures that the process remains online even if one I\/O module fails, providing the high availability required for mission-critical industrial loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Addressing Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe MTU eliminates manual configuration errors by generating the correct address for each I\/O module. It shifts the outgoing position signals to the next MTU in the cluster, simplifying system expansion and reducing commissioning time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Versatility with TY801:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis unit utilizes individual\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTY801 shunt sticks\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor signal conditioning. By inserting the shunt stick, engineers can switch a channel between voltage and current input modes without replacing the entire termination base or adding external converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Cable Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith 40 process connection points and dedicated process power distribution (2+2 connections), the TU845 organizes complex field wiring into a compact footprint. The vertical mounting design saves significant horizontal rail space in crowded control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Mechanical Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA robust mechanical latch locks the MTU securely to the DIN rail. This feature prevents accidental disconnection in high-vibration environments, such as marine engine rooms or heavy manufacturing floors.\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\u003eCan the TU845 be used with non-redundant modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. While the TU845 supports redundant AI845 modules, it also functions perfectly with single modules such as the AI880 or AI880A. The secondary slot simply remains empty or available for future expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the TY801 shunt stick affect the input signal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TY801 shunt stick provides the necessary resistance to convert a 4-20 mA current signal into a voltage signal readable by the I\/O module. Without the shunt stick, the channel operates as a high-impedance voltage input.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs vertical mounting mandatory for this specific MTU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eABB designs the TU845 specifically for vertical mounting to optimize heat dissipation for the AI845 series. Installing it horizontally may impede airflow and reduce the maximum operating temperature rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the unit come with the I\/O modules included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 3BSE021447R1 is the Module Termination Unit (the base). You must purchase the AI845 or AI880 I\/O modules separately to complete the assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44172558139491,"sku":"TU845 3BSE021447R1","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/492._912b846c-bb32-48b0-9b63-7ff352cc5d5f.jpg?v=1778566592","url":"https:\/\/www.autocontrolglobal.com\/products\/tu845-abb-3bse021447r1-vertical-mount-termination-unit","provider":"AutoControl Global","version":"1.0","type":"link"}