CU1123-0010

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The CU1123-0010 EtherCAT junction offers a data transfer rate of 100 Mbit/s, a delay of approximately 1 µs per port, operates at an ambient temperature of 0 to 55°C, and utilizes a 24 V power supply with a 3-pin connection. As part of the CU EtherCAT Junctions series by Beckhoff, it supports a maximum station distance of 300 meters.

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Product Description:

Beckhoff manufactures the CU1123-0010. With a 100 megabit per second transmission rate, the Beckhoff CU1123-0010 EtherCAT junction is designed for high-speed data communication. This has a big impact on the system's real-time capability as it determines the maximum speed at which digital information flows through the automation network. This is necessary for the smooth transfer of many data types in complex industrial environments like high-frequency sensor outputs, fast actuator commands and long diagnostic exchanges. The junction removes communication bottlenecks that would otherwise hinder the precise synchronization of modern automation systems by keeping this high rate. Even under dynamic operating conditions, the system can maintain deterministic behavior because of the exact coordination between distributed control units made possible by the fast data transfer.

Each of the three integrated RJ45 ports on the CU1123-0010 is a separate physical interface for EtherCAT communication. With these ports, the junction can be used as a nodal extension or a network branching point. The device can be configured in many ways to fit different applications like creating hybrid topologies, tree-like hierarchies, star-shaped patterns and linear cascades. By limiting cable lengths, reducing signal degradation, and increasing signal routing efficiency, the multiple ports simplify the physical design of automation systems. This kind of flexibility is essential for building large, complex industrial networks where modular connection and strategic cable management have a direct impact on system performance and maintainability.

The CU1123-0010 has a very low latency of around 1 microsecond per port. This ensures that data packets pass through the junction with minimal temporal displacement and maintains the timing relationships within the system. In high-speed automation applications like synchronous motion control and multi-axis robots, where even small delays can result in big mechanical errors, very low latency is a must. Thermal stability under normal industrial conditions is ensured by the device operating steadily over a temperature range of 0 to 55°C. To comply with normal industrial power regulations for safety and grounding, it needs a steady 24 VDC supply via a 3-pin connector. Additionally, the CU1123-0010 offers spatial flexibility by supporting station distances of up to 300 meters, so you can design your system architecture over large areas without the need for additional networking modules or signal repeaters.

Bus Interface
3 × RJ45 ports
Data Transfer Medium
Shielded Cat.5 AWG22 Ethernet/EtherCAT cable
Data Transfer Rate
100 Mbit/s
Delay per port
Approx. 1 µs
EMC Emission Standard
EN 61000-6-4
EMC Immunity Standard
EN 61000-6-2
Max. Station Distance
300 m
Operating Temperature
0…55 °C
Power Supply
24 V DC (–15%/+20%), 3-pin (+, –, PE)
Protection Rating
IP20
Protocol
EtherCAT
Shock Resistance
EN 60068-2-27
Storage Temperature
-25…+85 °C
Vibration Resistance
EN 60068-2-6

Frequently Asked Questions about CU1123-0010:

Q: What is the data transfer rate of the CU1123-0010 EtherCAT junction?

A: The CU1123-0010 EtherCAT junction offers a data transfer rate of 100 Mbit/s, ensuring high-speed communication in industrial automation systems.

Q: How many ports does the CU1123-0010 EtherCAT junction have?

A: The CU1123-0010 features three RJ45 ports, which allows for versatile network configuration and connectivity.

Q: What is the delay per port in the CU1123-0010 EtherCAT junction?

A: The delay per port is approximately 1 µs, which contributes to the junction's ability to support real-time, synchronized communication.

Q: What is the maximum station distance supported by the CU1123-0010 EtherCAT junction?

A: The device supports a maximum station distance of 300 meters, allowing for flexible network setups in large industrial environments.

Q: What is the power supply requirement for the CU1123-0010 EtherCAT junction?

A: The CU1123-0010 requires a 24 V DC power supply with a tolerance range of -15% to +20%, connected via a 3-pin connection.


Internal Product Review

  • ‘‘This EtherCAT junction provides robust connectivity for industrial automation systems. Its triple-port configuration enhances network topology flexibility. The minimal propagation delay per port contributes to deterministic and synchronized control. The device's operational temperature range and tolerance to power supply fluctuations suggest reliable performance in demanding industrial environments.’’

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