CU8005-0000 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff CU8005-0000 is part of the CU EtherCAT Junctions series and features four downstream USB 2.0 ports along with one upstream USB port. It operates with a supply voltage of 24 VDC and has a maximum current consumption of 1 A. The junction provides polarity reversal protection and supports mounting on a 35 mm rail.
Internal Product Review
The CU8005-0000 is a Beckhoff junction module with 4 downstream USB ports and 1 upstream USB port. USB 2.0 support and IP20 protection make the unit a dependable choice for control cabinet integration. Any-position installation with a 24 VDC supply adds valuable flexibility for machine-level USB expansion.
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Product Description:
The CU8005-0000 is a compact USB junction produced by Beckhoff within the CU EtherCAT Junctions series. It acts as a DIN-rail-mounted interface that allows an industrial controller to distribute USB signals to multiple peripheral devices inside a control cabinet. By combining one upstream host link with several downstream lines, the unit simplifies wiring for HMIs, data loggers, and service ports on EtherCAT stations while keeping the assembly in the low-voltage control zone.
The junction accepts a supply of 24 VDC and internally converts it to the 5 V downstream port voltage required by USB loads. Signal transmission follows the USB 2.0 standard, supporting data rates of up to 480 Mbit/s over the permitted cable length. The upstream interface uses one dedicated USB-B socket for the host connection. The bus is distributed through four downstream ports for keyboards, memory sticks, service adapters, and other compatible devices. The cable between the hub and any connected peripheral can be up to 5 m long, allowing equipment to be positioned across a typical enclosure without exceeding timing limits. The housing snaps onto a 35 mm mounting rail and supports any installation orientation, providing flexibility when arranging components inside a panel.
The junction’s total internal current draw remains below 1 A. Each individual port has protection that limits the current supplied to a single load to 1.0 A, helping isolate an overloaded peripheral from the other connections. When no peripheral is attached, the circuit has an open-circuit current consumption of 80 mA, reducing standby demand on the power supply. Reverse-polarity protection helps prevent damage if the cabinet feed is connected incorrectly. Host-side current demand is limited to 110 mA, keeping the load within the source capabilities of a compatible industrial PC or PLC. The enclosure has an IP20 protection rating, making it suitable for dry indoor control cabinets where the housing is protected from water and fine contaminants.
