{"product_id":"abb-advant-s800-i-o-tu845-3bse021447r1-module-termination-unit","title":"ABB TU845 3BSE021447R1 Module Termination Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe ABB TU845 (3BSE021447R1) is a high-performance Module Termination Unit (MTU) designed for the S800 I\/O system. This unit serves as the interface for field wiring, supporting redundant I\/O configurations. It facilitates the connection of field signals and process power while distributing the ModuleBus to I\/O modules. The TU845 is engineered to ensure robust signal integrity and reliable process control in demanding industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports up to 8 I\/O channels with 2-wire connections.\u003c\/li\u003e\n\u003cli\u003eProvides 2+2 process voltage connections for field power distribution.\u003c\/li\u003e\n\u003cli\u003eRedundant design for enhanced system availability.\u003c\/li\u003e\n\u003cli\u003eIntegrated mechanical keying system with 36 possible configurations to prevent incorrect module insertion.\u003c\/li\u003e\n\u003cli\u003eLatching mechanism for secure DIN rail mounting and integrated grounding.\u003c\/li\u003e\n\u003cli\u003eCompatible with individual shunt sticks (TY801) for flexible voltage or current input selection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTU845\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003e3BSE021447R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current per Channel\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Process Connection Current\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Test Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V a.c.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to +55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOil and Gas: Offshore platforms and natural gas transmission stations.\u003c\/li\u003e\n\u003cli\u003eRefining and Petrochemicals: Large-scale ethylene and chemical processing plants.\u003c\/li\u003e\n\u003cli\u003ePower Generation: Thermal, hydroelectric, and waste-to-energy facilities.\u003c\/li\u003e\n\u003cli\u003eWater Treatment: Urban water supply and sewage treatment control systems.\u003c\/li\u003e\n\u003cli\u003ePulp and Paper: Continuous pulping lines and high-speed machine control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the DIN rail is securely mounted and properly grounded before installing the MTU.\u003c\/li\u003e\n\u003cli\u003eThe MTU features a mechanical latch; ensure it is fully engaged to lock the unit onto the DIN rail.\u003c\/li\u003e\n\u003cli\u003eVerify the mechanical keys are correctly configured for the specific I\/O module being used to prevent mismatching.\u003c\/li\u003e\n\u003cli\u003eAlways power down the system before inserting or removing I\/O modules from the MTU to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eRoute signal cables away from high-EMI sources to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation around the module to maintain operating temperatures within the 0 to +55 degC range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the TU845?\u003c\/h3\u003e\u003cp\u003eThe TU845 is an MTU used for terminating field wiring in a redundant S800 I\/O configuration, providing both signal and process power distribution.\u003c\/p\u003e\u003ch3\u003eWhich I\/O modules are compatible with the TU845?\u003c\/h3\u003e\u003cp\u003eThe TU845 is designed for use with specific redundant modules, including the AI845, AI880, AI880A, and DP840.\u003c\/p\u003e\u003ch3\u003eHow does the mechanical keying work?\u003c\/h3\u003e\u003cp\u003eThe MTU uses four mechanical keys (two per I\/O module) with six positions each, providing 36 unique configurations to ensure only the correct module type can be inserted into a specific slot.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50910328324348,"sku":"TU845 3BSE021447R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_c61ba827-9a88-4e3b-9ea5-79da2134e21c.jpg?v=1785653809","url":"https:\/\/www.electronicplc.com\/es\/products\/abb-advant-s800-i-o-tu845-3bse021447r1-module-termination-unit","provider":"Electronic PLC","version":"1.0","type":"link"}