CU8802-0000 Beckhoff
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The Beckhoff CU8802-0000 is part of the CU EtherCAT Junctions series and supports mounting on a 35 mm DIN rail. It features one DVI-D input, one USB Type-B input with a data rate of 100 Mbit/s using USB 2.0, and an RJ45 output for Cp-link 4 Cat.6A cables up to 100 meters. The device operates on a 24 VDC power supply and has a protection rating of IP20.
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Product Description:
The CU8802-0000 is an EtherCAT junction module produced by Beckhoff within the CU EtherCAT Junctions series. It links an upstream EtherCAT segment to control panel stations by forwarding CP-Link 4 video, USB, and Ethernet channels through a single field device. The module is intended for control-cabinet installation where it reduces wiring complexity and maintains real-time communication between industrial PCs and distributed operator terminals in automated machinery. By integrating multiple media in one enclosure, the unit lowers panel depth requirements and supports compact cabinet layouts often demanded in packaging, assembly, and material-handling lines.
Mechanically, the junction occupies only 45 × 100 × 80 mm, allowing it to fit beside standard I/O terminals without enlarging the rail footprint. It snaps onto a 35 mm DIN rail, and its plastic housing carries an IP20 rating, so it is suited for closed electrical enclosures with basic touch protection. The electronics accept a 24 VDC (-15 %/+20 %) supply that can be derived from the control cabinet’s auxiliary bus. Continuous operation is permitted from 0 to 55 °C, ensuring reliable service next to power supplies and drives. For network performance, the CP-Link 4 interface uses Cat.6A cabling, preserving signal integrity for high-resolution graphics and high-speed USB streams over long runs.
The junction exposes one CP-Link 4 port with up to 100 m of passive cable length and a single RJ45 socket for the downstream branch. Video is delivered through a 1 m DVI pigtail that mates with a solitary DVI-D input, while user interaction travels through a 1 m USB lead that connects to one USB Type-B receptacle and follows the USB 2.0 standard. Inside the combined channel, USB data move at 100 Mbit/s, matching the requirements of keyboard, mouse, and touch controllers. When powered down, the electronics can be stored from -25 to 70 °C, matching typical warehouse and transit conditions.
Frequently Asked Questions about CU8802-0000:
Q: What is the maximum cable length and type supported for CP-Link 4 connections on the CU8802-0000?
A: The CU8802-0000 supports a CP-Link 4 cable length of up to 100 meters with Cat.6A standard.
Q: What DVI input options are available on the CU8802-0000?
A: The CU8802-0000 provides a DVI-D input with a 1-meter cable for video signal transmission.
Q: What USB connectivity does the CU8802-0000 offer and what data rates are supported?
A: A single USB Type-B input is available on this junction, operating with USB 2.0 standard and a data rate of 100 Mbit/s.
Q: How is the CU8802-0000 physically mounted in an installation?
A: The CU8802-0000 mounts on a 35 mm DIN rail for easy integration into control cabinets.
Q: What are the power supply requirements for the CU8802-0000?
A: The CU8802-0000 operates with a 24 VDC power supply, accepting a range from -15% to +20%.
