Beckhoff IP Bus Coupler - BK9105 The BK9105 Bus Coupler facilitates the connection of EtherNet/IP with modular, extendable electronic terminal blocks. Each unit comprises one Bus Coupler, accommodating any number from 1 to 64 terminals (255 with K-bus extension), and one end terminal. Automatically recognizing connected terminals, the Bus Coupler assigns inputs and outputs to process image words. It supports 10 Mbit/s and 100 Mbit/s Ethernet via standard RJ45 connectors. IP address configuration is done through the DIP switch, offset to a user-defined start address. In DHCP networks, the Bus Coupler obtains its IP address from the DHCP server. Specifications .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-ycr8{background-color:#ffffff;text-align:left;vertical-align:top} .tg .tg-6v43{background-color:#ffffff;font-weight:bold;text-align:left;vertical-align:top} Part # BK9105 Manufacturer Beckhoff Category PLCs/Machine Control Subcategory PLC Module/Rack Number of Bus Terminals 64 (255 with K-bus extension) Max. number of bytes fieldbus 492 byte input and 492 byte output Digital peripheral signals 3,936 inputs/outputs Analog peripheral signals 122 inputs/outputs Configuration possibility via KS2000 Protocol EtherNet/IP Data transfer rates 10/100 Mbit/s, automatic recognition of the transmission rate Bus interface 2 x RJ45 (2-channel switch) Data transfer medium 4 x 2 twisted pair copper cable; category 3 (10 Mbit/s), category 5 (100 Mbit/s) Power supply 24 V DC (-15 %/+20 %) Input current 70 mA + (total K-bus current)/4, 500 mA max. Starting current 2.5 x continuous current Recommended fuse ≤ 10 A Current supply K-bus 1750 mA Power contacts max. 24 V DC/max. 10 A Electrical isolation 500 V (power contact/supply voltage/fieldbus) Topology line or star wiring Cascading up to 20 BK9105 or max. line length 2 km Distance between stations 100 m between hub/switch and bus coupler or between bus coupler and bus coupler Weight approx. 170 g Operating/storage temperature -25…+60 °C/-40…+85 °C Relative humidity 95 %, no condensation Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27 EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4 Protect. rating/installation pos. IP20/variable Approvals/markings CE, UL, ATEX, IECEx, DNV GL Information About BK9105 The BK9105 Bus Coupler integrates EtherNet/IP with modular, extendable electronic terminal blocks. A single unit comprises one Bus Coupler, accommodating from 1 to 64 terminals (255 with K-bus extension), along with one end terminal. This Bus Coupler automatically recognizes the connected terminals and assigns inputs and outputs to the process image words. It supports Ethernet speeds of 10 Mbit/s and 100 Mbit/s, utilizing standard RJ45 connectors. IP address configuration is facilitated via the DIP switch, with an offset to a freely selectable start address. In DHCP-enabled networks, the Bus Coupler obtains its IP address from the DHCP server. Featuring a 3-port switch, the BK9105 facilitates flexible connectivity. Two ports operate externally via RJ45 connectors, enabling configuration of I/O stations with a line topology, minimizing wiring and cabling costs. The maximum distance between two couplers is 100 m. Cascading up to 20 BK9105 Bus Couplers extends the line length to a maximum of 2 km. Ethernet/IP, endorsed by ODVA (Open DeviceNet Vendor Association), serves as the Industrial Ethernet standard. It is grounded on Ethernet TCP/IP and UDP/IP, where IP denotes Industrial Protocol. Essentially, Ethernet/IP extends the Common Industrial Protocol (CIP), initially employed in ControlNet and DeviceNet, to Ethernet TCP/IP and UDP/IP environments. Manufacturer information Beckhoff Automation is a German manufacturer of open automation systems, including industrial PCs, I/O and fieldbus components, drive technology, automation software, and hardware for machine vision. Beckhoff is known for its innovative and reliable automation technology, which is used in a wide range of industries. The company is committed to providing customers with the best possible automation solutions to help them succeed in their businesse What Our Experts Think High Performance: Beckhoff control systems offer powerful computing capabilities for demanding industrial automation tasks. Energy-Efficient: Designed with optimized power usage to support sustainable, low-energy operations. Durable & Reliable: Built to withstand harsh industrial environments with high-quality components and rugged designs. Quiet Operation: Fanless or low-noise cooling systems in many models ensure minimal disruption in sensitive areas. Easy Installation: Modular design allows for quick and flexible setup in a wide range of industrial applications. Q&A Q: What is Beckhoff equipment used for?A: Beckhoff products are used for industrial automation, providing control, motion, and communication solutions for a variety of industries. Q: What features are included in Beckhoff automation systems?A: Features include high-performance CPUs, modular I/O systems, compact form factors, and support for leading industrial communication standards like EtherCAT. Q: Are Beckhoff products energy-efficient?A: Yes, many Beckhoff systems are designed to reduce energy consumption while maintaining high-speed, precise control. Q: How does Beckhoff compare to other automation brands?A: Beckhoff stands out for its open automation systems, flexible designs, and strong performance in both small and large-scale industrial projects. Maintenance Tips Keep Units Clean: Regularly remove dust and debris from ventilation openings and surfaces. Check Connections: Inspect cables and connectors periodically for wear or damage. Monitor Software Updates: Keep firmware and software updated to ensure optimal performance and security. Temperature Control: Ensure devices are operated within recommended temperature ranges to avoid overheating. Annual System Check: Have a technician perform a full inspection and preventive maintenance annually.
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