{"product_id":"bk9055-beckhoff-ethernetip-bus-coupler-24-v-dc","title":"BK9055 | Beckhoff EtherNet\/IP Bus Coupler 24 V DC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"90\" data-end=\"444\"\u003eThe Beckhoff BK9055 EtherNet\/IP™ Bus Coupler connects EtherNet\/IP networks to Beckhoff modular Bus Terminals, supporting up to 64 terminals or 255 with K-bus extension. It automatically maps connected I\/O channels to the process image and operates at 10\/100 Mbit\/s for efficient and reliable data exchange in industrial Ethernet environments.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 744.8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eIndustrial Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eBK9055\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eBus Couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eEtherNet\/IP™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e1 x RJ45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eData Transfer Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e10\/100 Mbit\/s (auto-negotiation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eData Transfer Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003eTwisted pair copper cable (Cat.3 for 10 Mbit\/s, Cat.5 for 100 Mbit\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eNumber of Bus Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003eUp to 64 (255 with K-bus extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eMax. Bytes Fieldbus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e492 bytes input, 492 bytes output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eDigital Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003e3,936 inputs\/outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eAnalog Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003e122 inputs\/outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eVia KS2000 configuration software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eStar wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eDistance Between Stations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003eMax. 100 m between hub\/switch and coupler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e70 mA + (total K-bus current)\/4, 500 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eStarting Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e2.5 × continuous current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eRecommended Fuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e≤ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eK-bus Current Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e1,750 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eMax. 24 V DC \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e500 V (power\/supply\/fieldbus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eData Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eAutomatic I\/O mapping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eIP Address Assignment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003eVia DIP switch or DHCP server\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 39.2px;\"\u003e0…55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e-25…+85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 26.7056%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9796%; height: 19.6px;\"\u003e100 g (approx. 0.22 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eBK9055\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe BK9055 is part of Beckhoff’s Economy Bus Coupler series, designed to integrate modular I\/O terminals into EtherNet\/IP™ industrial networks. It acts as the communication interface between EtherNet\/IP controllers and Beckhoff’s I\/O system, automatically detecting and configuring up to 64 connected terminals. The coupler supports both 10 Mbit\/s and 100 Mbit\/s Ethernet speeds through standard RJ45 connections and can operate in networks using star topologies. IP addressing can be set manually using DIP switches or dynamically via a DHCP server. Its high I\/O density and flexible configuration make the BK9055 ideal for distributed automation tasks, providing reliable communication across industrial control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEtherNet\/IP Integration: Connects Beckhoff Bus Terminals directly to EtherNet\/IP networks using standard Ethernet infrastructure.\u003c\/li\u003e\n\u003cli\u003eAutomatic I\/O Configuration: Detects and maps connected terminals automatically to simplify setup and commissioning.\u003c\/li\u003e\n\u003cli\u003eFlexible Network Setup: Supports both 10 and 100 Mbit\/s Ethernet data rates with automatic speed recognition.\u003c\/li\u003e\n\u003cli\u003eHigh I\/O Capacity: Manages up to 64 terminals or 255 with K-bus extension, offering 3,936 digital and 122 analog I\/O channels.\u003c\/li\u003e\n\u003cli\u003eRobust Electrical Design: Features 500 V isolation between power, fieldbus, and signal levels for improved safety.\u003c\/li\u003e\n\u003cli\u003eVersatile Addressing: IP address assignment via DIP switches or DHCP for easy network integration.\u003c\/li\u003e\n\u003cli\u003eStable Power Supply: Operates at 24 V DC with 1,750 mA K-bus current capacity for multiple I\/O modules.\u003c\/li\u003e\n\u003cli\u003eIndustrial Durability: IP20-rated housing with operating temperature from 0 to 55°C for control cabinet environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BK9055 delivers the reliability and precision required for high-performance industrial Ethernet communication and distributed control applications.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":49105099325696,"sku":"BK9055","price":454.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/bk9055__web_preview.png?v=1785540167","url":"https:\/\/alotechparts.com\/products\/bk9055-beckhoff-ethernetip-bus-coupler-24-v-dc","provider":"Alo Tech Solutions","version":"1.0","type":"link"}