{"product_id":"beckhoff-bk2020-lightbus-bus-coupler-module-reliable-delivery","title":"BK2020 | Beckhoff Lightbus Bus Coupler 2.5 Mbaud","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"444\" data-start=\"90\"\u003eThe Beckhoff BK2020 Lightbus Bus Coupler connects the Lightbus system to modular electronic terminal blocks, allowing flexible expansion up to 64 terminals or 255 with K-bus extension. It processes 1,020 digital and 128 analog signals per slave with automatic terminal recognition and high-speed data exchange via fiber optics.\u003c\/p\u003e\n\u003ch3 data-end=\"534\" data-start=\"502\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eIndustrial Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eBK2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eBus Couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eBus System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eLightbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eData Transfer Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e2.5 Mbaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eNumber of Bus Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eUp to 64 (255 with K-bus extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eDigital Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e1,020 inputs\/outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eAnalog Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e128 inputs\/outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eVia KS2000 or controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e2 x fiber-optic connector (Z1000\/Z1010)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eData Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003ePlastic or HCS fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e24 V DC (-15%\/+20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eK-bus Current Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e1,750 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003ePower Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eMax. 24 V DC \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e500 V (power\/supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e0…55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e-25…+85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 21.56%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.3069%;\"\u003e0.33 lbs (approx. 150 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eBK2020\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe BK2020 is part of Beckhoff’s Economy plus series, developed to interface the Lightbus system with Beckhoff’s modular Bus Terminals. It automatically identifies connected terminals and maps their input\/output signals to the process image without manual configuration. The unit supports up to 255 distributed terminals with K-bus extension, ensuring scalable system design across large installations. With 2.5 Mbaud transfer rate and support for both plastic and HCS optical fibers, the BK2020 enables fast, interference-free communication ideal for modern industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModular Expansion: Supports up to 64 terminals or 255 with K-bus extension for flexible I\/O configurations.\u003c\/li\u003e\n\u003cli\u003eHigh Signal Processing: Handles up to 1,020 digital and 128 analog channels per slave.\u003c\/li\u003e\n\u003cli\u003eAuto-Configuration: Detects and assigns terminal data automatically for simplified setup.\u003c\/li\u003e\n\u003cli\u003eHigh-Speed Data Transmission: Operates at 2.5 Mbaud over optical fiber for rapid communication.\u003c\/li\u003e\n\u003cli\u003eReliable Connectivity: Uses standard fiber-optic connectors (Z1000\/Z1010) compatible with plastic or HCS fiber.\u003c\/li\u003e\n\u003cli\u003eEfficient Power Handling: Supplies 24 V DC with 1,750 mA K-bus current and 10 A power contacts.\u003c\/li\u003e\n\u003cli\u003eElectrical Isolation: 500 V isolation ensures safe separation of control and power circuits.\u003c\/li\u003e\n\u003cli\u003eDurable Operation: Functions reliably in environments from 0 to 55°C with high humidity resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BK2020 delivers the reliability and precision required for distributed control systems and industrial automation networks.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":50753901691178,"sku":"BK2020","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/bk2020__web_preview.png?v=1761750493","url":"https:\/\/iqelectro.com\/products\/beckhoff-bk2020-lightbus-bus-coupler-module-reliable-delivery","provider":"IQElectro","version":"1.0","type":"link"}