Beckhoff BK1120 EtherCAT Bus Coupler, 2x RJ45 100 Mbit/s, 1024 In/1024 Out, 24V DC, 51×100×69 mm

Overview

The Beckhoff BK1120 EtherCAT Bus Coupler links the EtherCAT fieldbus (100BASE‑TX) to standard Bus Terminals. It converts Ethernet telegrams to the internal terminal bus and automatically maps connected Bus Terminals to the EtherCAT process image. A station can include up to 64 Bus Terminals (255 with K‑bus extension). System and field supplies (24 V DC) are provided at the coupler, and power contacts forward up to 10 A to the I/O components.

Key Features

• Connects EtherCAT to Beckhoff Bus Terminals; automatic process image assignment
• 2 × RJ45 Ethernet interfaces; up to 100 m segment length
• Large process image: up to 1024 bytes input and 1024 bytes output
• Supports 64 Bus Terminals (255 with K‑bus extension)
• 24 V DC supply; K‑bus current 1,750 mA; power contacts up to 24 V DC / 10 A
• Electrical isolation: 500 V (power contacts / supply voltage / Ethernet)

Specifications