{"product_id":"abb-tu865-module-termination-unit","title":"ABB TU865 Module Termination Unit","description":"\u003ch2\u003eABB TU865 Module Termination Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for physical termination and internal distribution of I\/O signals and Modulebus connections in ABB System 800xA platforms, the \u003cstrong\u003eABB TU865 3BSE078712R1\u003c\/strong\u003e (\u003cstrong\u003eTU865\u003c\/strong\u003e Module Termination Unit) provides the mounting and electrical interface for compatible I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTU865\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Part Number\u003c\/td\u003e\n\u003ctd\u003e3BSE078712R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eModule Termination Unit (MTU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eABB System 800xA \/ Advant OCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail, EN 60715\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Connection\u003c\/td\u003e\n\u003ctd\u003eModulebus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eSupports redundant I\/O module configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e58.5 mm W x 170 mm H x 64.5 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Function\u003c\/td\u003e\n\u003ctd\u003eI\/O module termination, mounting, and internal signal\/power distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eI\/O Density Scaling and Modulebus Interface\u003c\/h3\u003e\n\u003cp\u003eThe TU865 provides the physical termination interface between compatible System 800xA I\/O modules and field wiring. It also provides the associated Modulebus connection required by the installed I\/O architecture.\u003c\/p\u003e\n\u003cp\u003eThe MTU does not perform independent signal processing. Instead, it establishes the mechanical and electrical connection required for the associated I\/O module. Therefore, channel capacity and signal characteristics depend on the installed I\/O module rather than on the TU865 itself.\u003c\/p\u003e\n\u003cp\u003eFor redundant I\/O configurations, the termination arrangement supports the corresponding redundant module architecture. System-level I\/O density scaling must therefore follow the applicable I\/O module, MTU, Modulebus, and controller configuration limits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the TU865 process I\/O signals independently?\u003c\/p\u003e\n\u003cp\u003eA: No. The TU865 functions as a termination and mounting unit. The installed I\/O module performs the signal acquisition, output, or processing function.\u003c\/p\u003e\n\u003cp\u003eQ: Does the TU865 support redundant I\/O configurations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The supplied technical data identifies the TU865 as supporting redundant I\/O module configurations. The complete redundancy arrangement depends on the compatible I\/O modules and System 800xA architecture.\u003c\/p\u003e\n\u003cp\u003eQ: What is the operating temperature range of the TU865?\u003c\/p\u003e\n\u003cp\u003eA: The supplied data specifies an operating range of -40 deg C to +70 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the TU865 on a compatible DIN rail in accordance with the mechanical requirements of EN 60715.\u003c\/li\u003e\n\u003cli\u003eVerify that the mounting position provides sufficient clearance for installation, wiring, module insertion, and removal.\u003c\/li\u003e\n\u003cli\u003eConfirm that the selected I\/O modules are mechanically and electrically compatible with the TU865 before installation.\u003c\/li\u003e\n\u003cli\u003eConnect Modulebus and field wiring according to the applicable ABB System 800xA hardware documentation.\u003c\/li\u003e\n\u003cli\u003eRoute signal wiring separately from high-current power conductors and other sources of electromagnetic interference where the installation requires it.\u003c\/li\u003e\n\u003cli\u003eTerminate cable shields according to the plant grounding and EMC design. Avoid creating unintended shield current paths.\u003c\/li\u003e\n\u003cli\u003eCheck all terminal connections for correct conductor placement and mechanical retention before energizing the system.\u003c\/li\u003e\n\u003cli\u003eFor redundant configurations, verify the complete redundant I\/O topology before commissioning.\u003c\/li\u003e\n\u003cli\u003eDo not infer the TU865 power consumption from the connected I\/O load; use the electrical data for the installed I\/O modules and system configuration.\u003c\/li\u003e\n\u003cli\u003eObserve the IP20 enclosure limitation when selecting the installation environment and enclosure arrangement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44595724845144,"sku":"TU865 3BSE078712R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TU865-3BSE078712R1-2_1200x1200_a2258d1b-ac3b-4ea0-af68-4bccc72815e9.jpg?v=1786703988","url":"https:\/\/www.industriaxplc.com\/products\/abb-tu865-module-termination-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}