{"product_id":"beckhoff-ethernet-ip-bus-coupler-for-modular-i-o-terminals-10-100-mbps-up-to-64-terminals-bk9105","title":"Beckhoff EtherNet\/IP bus coupler for modular I\/O terminals (10\/100 Mbps, up to 64 terminals) - BK9105","description":"\u003ch2\u003e Beckhoff EtherNet\/IP bus coupler for modular I\/O terminals (10\/100 Mbps, up to 64 terminals) - BK9105 \u003c\/h2\u003e\n\u003cp\u003eThe Beckhoff BK9105 is an EtherNet\/IP bus coupler designed to interface modular Beckhoff I\/O terminals with industrial Ethernet networks. Supporting 10\/100 Mbps communication through dual RJ45 ports, it automatically identifies connected terminals and maps their signals to the controller’s process image. Operating on 24 VDC, the unit supports up to 64 terminals—or 255 with K-bus extension—for flexible system expansion.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-ekg0{background-color:#EFEFEF;font-weight:bold;text-align:left;vertical-align:top}\n.tg .tg-wjcf{background-color:#EFEFEF;text-align:left;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-ekg0\"\u003eCondition\u003c\/th\u003e\n\u003cth class=\"tg-wjcf\"\u003eNew\/Never Used Surplus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eBrand\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eCategory\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eSubcategory\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003ePLC Module\/Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003ePart Number\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eBK9105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eProtocol\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eData Rates\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e10\/100 Mbps (auto-detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eBus Interface\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e2 × RJ45 (2-channel switch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eSupported Terminals\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e64 (255 with K-bus extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eMax. Fieldbus Bytes\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e492 input \/ 492 output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eDigital Peripheral Signals\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e3,936 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eAnalog Peripheral Signals\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e122 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eConfiguration Tool\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eKS2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eTopology\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eLine or star\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eCascading\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003eUp to 20 BK9105 (max 2 km)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eDistance Between Stations\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e100 m max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e24 VDC (–15% \/ +20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eInput Current\u003c\/td\u003e\n\u003ctd class=\"tg-wjcf\"\u003e70 mA + (K-bus current)\/4, max 500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA compact, high-performance servo solution\u003c\/strong\u003e, the Beckhoff AM8121-1F20-0000 from the AM8000 Series delivers precise motion control for demanding automation applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.16 kW servo power provides efficient performance\u003c\/strong\u003e, making it ideal for smaller machines, positioning systems, robotics, and motion-intensive equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48 V DC operation supports flexible machine designs\u003c\/strong\u003e, especially compact systems where space and energy efficiency are priorities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for precision motion control\u003c\/strong\u003e, offering accurate positioning, smooth operation, and reliable dynamic response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless integration with Beckhoff automation platforms\u003c\/strong\u003e, including \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eTwinCAT\u003c\/span\u003e\u003c\/span\u003e and compatible servo drives, simplifies advanced motion applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact motor design helps save installation space\u003c\/strong\u003e, enabling efficient machine layouts without compromising performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Beckhoff AM8121-1F20-0000 Servo Motor?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The Beckhoff AM8121-1F20-0000 is a compact 48 V DC servo motor from the AM8000 series, designed for precise motion control in industrial automation systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the key specifications of this servo motor?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It features 48 V DC operation, 0.16 kW rated power, 0.50 Nm rated torque, 2 Nm peak torque, and 3000 rpm rated speed for responsive motion applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What applications is the AM8121-1F20-0000 used for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is commonly used in machine automation, robotics, handling systems, positioning equipment, and compact servo axis applications requiring accurate speed and position control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this motor compatible with Beckhoff motion systems?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The AM8000 series is designed for integration with Beckhoff servo drives and TwinCAT-based automation solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What type of feedback does the motor use?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The motor supports encoder-based feedback options for closed-loop control and precise positioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Why choose a low-voltage servo motor?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: A 48 V DC servo motor offers a compact, efficient solution for machines requiring precise motion control in smaller automation setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: What maintenance does a servo motor require?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Keep connectors clean, inspect cables, monitor operating temperatures, and ensure the motor is properly matched with its drive system for reliable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the motor housing clean and free from dust buildup.\u003c\/li\u003e\n\u003cli\u003eInspect motor cables, connectors, and terminals regularly.\u003c\/li\u003e\n\u003cli\u003eCheck for unusual noise, vibration, or temperature increases.\u003c\/li\u003e\n\u003cli\u003eVerify shaft alignment and mechanical coupling condition.\u003c\/li\u003e\n\u003cli\u003eMonitor load levels to prevent overheating or stress.\u003c\/li\u003e\n\u003cli\u003eEnsure proper ventilation around the motor.\u003c\/li\u003e\n\u003cli\u003eInspect mounting hardware for tightness.\u003c\/li\u003e\n\u003cli\u003eStore in a dry, clean environment when not in use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":45746011799743,"sku":"BK9105","price":196900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/bk9105__web_preview_png.jpg?v=1781777069","url":"https:\/\/backyardprovider.com\/products\/beckhoff-ethernet-ip-bus-coupler-for-modular-i-o-terminals-10-100-mbps-up-to-64-terminals-bk9105","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}