CU8810-0000 Beckhoff
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The CU8810-0000 is an EtherCAT junction produced by Beckhoff and belongs to the CU EtherCAT Junctions series. It features 2 DVI input ports, 4 DVI output ports, and supports USB 1.1 with 4 extender ports, a maximum extension length of 50 meters, and 12 status LEDs. The junction is powered by a 24 VDC supply and is designed for DIN rail mounting at 35 mm width.
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Product Description:
The CU8810-0000 is an EtherCAT junction module produced by Beckhoff in the CU EtherCAT Junctions series. It merges USB, DVI, and EtherCAT lines so operator panels, keyboards, and monitors can be placed away from the control PC without signal loss. By channeling peripheral wiring into the deterministic EtherCAT network, the junction saves cabinet space and simplifies field-level human-machine interface layouts. This arrangement lets a central controller serve remote interface devices through a single distributed connection point.
Electrical distribution inside the node is based on a 24 VDC supply that connects through a 3-pole pluggable terminal. Because the internal hub draws 0 mA from the 5 V USB upstream, the host controller remains unloaded, while attached peripherals can receive 500 mA at 15 V across the USB/e lines. One downstream USB 1.1 port and four USB extender ports are available, and cabling up to 1 m can be used on the local side. The terminal connection also keeps power entry separate from the extended peripheral paths. Video is forwarded through two DVI inputs that are replicated to four DVI outputs for parallel monitor connections, and operational feedback is provided by 12 LEDs on the front panel. The enclosure has an IP20 rating for installation in protected cabinets, and the housing snaps onto DIN rail without tools.
Data propagation through the junction follows USB signaling rates of 12 Mbit/s full speed and 1.5 Mbit/s low speed, so legacy input devices can communicate across the extended link without timing errors. Separate handling of low-speed and full-speed traffic helps preserve reliable keyboard and pointing-device operation over longer routing paths. The internal repeater sustains these rates over a maximum USB extension of 50 m, which supports operator stations mounted on moving machine frames. Mechanical integration is simplified by a DIN-rail base that occupies only 35 mm of mounting width, conserving cabinet space for additional I/O terminals. The module extends peripheral connections while keeping the installation compact for panel-mounted control systems.
Frequently Asked Questions about CU8810-0000:
Q: What is the required power supply voltage for the CU8810-0000 EtherCAT junction?
A: The CU8810-0000 operates with a 24 VDC power supply.
Q: What USB standard is supported by the CU8810-0000?
A: This unit supports USB 1.1 standard connections.
Q: What is the maximum USB extension length with the CU8810-0000?
A: It can extend a USB connection up to 50 meters.
Q: How many DVI input and output ports does the CU8810-0000 provide?
A: The CU8810-0000 offers two DVI input ports and four DVI output ports.
Q: How many status indicator LEDs are present on the CU8810-0000 device?
A: There are 12 LEDs on the unit for status indication.
