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BECKHOFF Infrastructure, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, RJ45 - CU1128
Line, tree or star: EtherCAT supports almost any topology. If a star topology requires several branches at a particular point, the 8-way CU1128 EtherCAT junction can be used instead of several EK1122 devices. Port 1 is the input port for the network. Further EK1100 or EtherCAT Box modules can be connected at ports 2 to 8. The EtherCAT junctions are connected via RJ45 sockets with direct display of link and activity status.
Specifications
| Manufacturer | BECKHOFF |
|---|---|
| Category | Computer |
| Subcategory | Communication Cable/Adaptor |
| Part Number | CU1128 |
| Task within EtherCAT system | coupling of EtherCAT junctions |
| Data transfer medium | Ethernet/EtherCAT cable (min. Cat.5), shielded |
| Bus interface | 8 x RJ45 |
| Distance between stations | max. 100 m (100BASE-TX) |
| Protocol | EtherCAT |
| Delay | approx. 1 µs per port |
| Data transfer rates | 100 Mbit/s |
| Configuration | not required |
| Power supply | 24 (18…30) V DC, 3-pin connection (+, -, PE) |
| Current consumption 24 V DC | typ. 185 mA |
| Dimensions (W x H x D) | 122 mm x 100 mm x 38 mm |
| 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 | IP20 |
| Approvals/markings | CE, UL |
Information About CU1128
The BECKHOFF CU1128 is a versatile EtherCAT infrastructure component designed for coupling EtherCAT junctions within industrial automation systems. It supports data transfer over Ethernet/EtherCAT cables (min. Cat.5), providing reliable connectivity through its 8 RJ45 bus interfaces.
With a maximum distance of 100 meters between stations (100BASE-TX), the CU1128 ensures efficient communication. Operating on the EtherCAT protocol, it boasts a low delay of approximately 1 µs per port and achieves data transfer rates of 100 Mbit/s.
Configuration is not required, simplifying the setup process. The infrastructure component is powered by a 24V DC supply (18-30V DC), with a typical current consumption of 185 mA. The compact dimensions of 122 mm x 100 mm x 38 mm facilitate easy integration into control systems.
Operating temperature ranges from -25°C to +60°C, with storage temperatures from -40°C to +85°C, ensuring robust performance in varying environmental conditions. The CU1128 conforms to industry standards for vibration/shock resistance (EN 60068-2-6/EN 60068-2-27) and EMC immunity/emission (EN 61000-6-2/EN 61000-6-4). With an IP20 protection rating, the CU1128 is suitable for diverse industrial applications.
The infrastructure component holds CE and UL approvals/markings, providing assurance of compliance with safety and performance standards. The BECKHOFF CU1128 is a reliable and efficient solution for EtherCAT-based networks in industrial automation.
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 businesses.
What Our Experts Think
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High Performance: Beckhoff control systems offer powerful computing capabilities for demanding industrial automation tasks.
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Energy-Efficient: Designed with optimized power usage to support sustainable, low-energy operations.
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Durable & Reliable: Built to withstand harsh industrial environments with high-quality components and rugged designs.
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Quiet Operation: Fanless or low-noise cooling systems in many models ensure minimal disruption in sensitive areas.
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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
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Keep Units Clean: Regularly remove dust and debris from ventilation openings and surfaces.
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Check Connections: Inspect cables and connectors periodically for wear or damage.
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Monitor Software Updates: Keep firmware and software updated to ensure optimal performance and security.
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Temperature Control: Ensure devices are operated within recommended temperature ranges to avoid overheating.
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Annual System Check: Have a technician perform a full inspection and preventive maintenance annually.
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