Beckhoff CU1128

SKU: CU1128

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$1,310.00

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Beckhoff CU1128 – Overview

The Beckhoff CU1128 is an EtherCAT junction terminal that functions as an 8-port Ethernet switch within an EtherCAT network.
It allows flexible topology configurations such as line, star, or tree, supporting 100 Mbit/s data transmission (100Base-TX).
Designed for industrial environments, the CU1128 simplifies distributed machine networks and ensures reliable real-time EtherCAT communication between devices.

Key Features

8-port EtherCAT junction with RJ45 connectors
Supports line, star, and tree network topologies
100 Mbit/s (100Base-TX) full-duplex communication
Integrated switch function for flexible wiring
Transparent data forwarding with minimal latency
Compact metal housing for DIN-rail or panel mounting
Power supply 24 V DC (–15 % / +20 %)
LED indicators for link and activity monitoring on all ports

Technical Specifications

Part Numbers:
– CU1128
– CU 1128
Function: 8-port EtherCAT junction / industrial switch
Ports: 8 × RJ45 (EtherCAT-compliant)
Data Transfer Rate: 100 Mbit/s full duplex (100Base-TX)
Topology: Line, star, or tree configuration
Power Supply: 24 V DC (–15 % / +20 %)
Power Consumption: Approx. 2.5 W
EtherCAT Delay per Port: ≤1 µs
Cable Length: Up to 100 m per connection (Cat 5e or higher)
LED Indicators: Link and activity per port
Operating Temperature: –25 °C … +60 °C
Storage Temperature: –40 °C … +85 °C
Protection Rating: IP20
Mounting: DIN-rail or panel mounting
Housing Material: Metal
Dimensions (W × H × D): 82 mm × 100 mm × 52 mm
Manufacturer: Beckhoff Automation

Weight: 0.10 – 0.23 kg (0.22 – 0.50 lb)
Packed dimensions: 12 × 7 × 6 cm (4.7 × 2.8 × 2.4 in)

Applications

EtherCAT network distribution in industrial control systems
Machine and plant automation with flexible topology requirements
Decentralized I/O architectures using line or star configurations
High-performance real-time Ethernet communication

Why Choose Beckhoff CU1128

Expands EtherCAT networks with multiple RJ45 branches
Compact and durable industrial-grade design
Simple installation with clear port status indicators
Ensures high-speed, low-latency data transmission

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The Beckhoff CU1128 EtherCAT Junction is available for order and ships worldwide.

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