{"product_id":"tu890-3bsc690075r1-abb-s800-i-o-compact-terminal-block","title":"TU890 3BSC690075R1 ABB S800 I\/O Compact Terminal Block","description":"\u003ch2\u003eABB TU890 3BSC690075R1 Compact Terminal Block\u003c\/h2\u003e\n\u003cp\u003eConfigured for field signal termination and process power connection in ABB S800 I\/O systems, the \u003cstrong\u003eABB TU890 3BSC690075R1\u003c\/strong\u003e (\u003cstrong\u003eTU890\u003c\/strong\u003e Compact Terminal Block) provides direct physical electrical connection between I\/O modules and external field wiring.\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\u003eTU890 3BSC690075R1\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\u003eCompact Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e21 x 6.5 x 8.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive terminal connection, no external power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eTerminal block\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\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eHorizontal DIN rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Connections\u003c\/td\u003e\n\u003ctd\u003e27 blue terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible I\/O Modules\u003c\/td\u003e\n\u003ctd\u003eAI890, AI893, AI895, AO890, AO895, DI890, DO890\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Detail\u003c\/td\u003e\n\u003ctd\u003e55 deg mounting orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eABB S800 I\/O Terminal Interface and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe TU890 provides field wiring termination for ABB S800 I\/O modules. It connects process signals, module power interfaces, and ModuleBus-related connections through a compact terminal structure.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the terminal block supports I\/O density scaling by allowing compact installation arrangements with compatible AI, AO, DI, and DO modules. The mechanical keying design prevents incorrect module insertion, while the DIN rail latching mechanism maintains fixed positioning during operation.\u003c\/p\u003e\n\u003cp\u003eThe ABB S800 architecture uses structured backplane and ModuleBus communication paths. Therefore, correct terminal assignment and module compatibility verification are required before installation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Which ABB I\/O modules are compatible with the TU890 3BSC690075R1?\u003cbr\u003eA: The TU890 is specified for use with ABB AI890, AI893, AI895, AO890, AO895, DI890, and DO890 I\/O modules.\u003c\/p\u003e\n\u003cp\u003eQ: Does the TU890 require an external power supply?\u003cbr\u003eA: No. The TU890 is a passive terminal block and does not require an independent power input.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting method does the TU890 use?\u003cbr\u003eA: The TU890 uses horizontal DIN rail mounting with an integrated latching device for mechanical retention.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the TU890 on a correctly positioned DIN rail according to the cabinet mechanical layout.\u003c\/li\u003e\n\u003cli\u003eVerify terminal assignments before connecting field wiring to avoid incorrect signal routing.\u003c\/li\u003e\n\u003cli\u003eKeep field signal cables separated from high-current power conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the control cabinet grounding design and applicable site standards.\u003c\/li\u003e\n\u003cli\u003eConfirm that the installed I\/O module type matches the terminal block compatibility list before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44632884215896,"sku":"TU890 3BSC690075R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TU890-3BSC690075R1-3_1200x1200_02031aa9-e103-4065-b946-cef7c5a4fee4.jpg?v=1787299843","url":"https:\/\/www.industriaxplc.com\/id\/products\/tu890-3bsc690075r1-abb-s800-i-o-compact-terminal-block","provider":"IndustriaX Limited","version":"1.0","type":"link"}