BECKHOFF BK9105 Bus Coupler

EtherNet/IP™ communication in industrial automation systems

Integration of digital and analog I/O in Beckhoff Bus Terminal systems

Factory automation and process control with distributed control architecture

High-speed communication with PLCs and SCADA systems

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The BK9105 is an EtherNet/IP™ Bus Coupler from Beckhoff. It connects Beckhoff Bus Terminals to EtherNet/IP networks, supporting up to 64 terminals (expandable to 255 with K-Bus extension). The coupler automatically detects connected terminals and maps their inputs/outputs to the process image. It supports 10/100 Mbit/s Ethernet via RJ45 connectors. IP addressing can be configured via DIP switches or DHCP. The BK9105 includes a 3-port switch, allowing line or star topology for reduced wiring costs. EtherNet/IP is based on Ethernet TCP/IP and UDP/IP and uses the CIP protocol for industrial communication

Function: EtherNet/IP Bus Coupler

Supply Voltage: 24 V DC (-15%/+20%)

Supported Terminals: 64 (up to 255 with K-Bus extension)

Process Data Capacity: 492 bytes input / 492 bytes output

Digital Signals: 3,936 I/Os

Analog Signals: 122 I/Os

Protocol: EtherNet/IP™

Data Rate: 10/100 Mbit/s (auto-detection)

Connection: 2 x RJ45 (3-port switch)

K-Bus Current: 1750 mA

Power Contacts: 24 V DC / max. 10 A

Electrical Isolation: 500 V

Operating Temperature: -25…+60 °C

Storage Temperature: -40…+85 °C

Weight: Approx. 170 g

Protection Class: IP20

Approvals: CE, UL, ATEX, IECEx

Data Sheet