CU8130-0120 Beckhoff
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The CU8130-0120 is manufactured by Beckhoff as part of the CU EtherCAT Junctions series. This unit features a 24 V DC power supply, has a capacity of 15 Wh, and uses NiMH storage technology. It offers an output current of 4.5 A, an output voltage of 24 V DC, and includes diagnostic LEDs for UIN, UOUT, and DIAG monitoring.
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Product Description:
The CU8130-0120 is a DIN-rail power module produced by Beckhoff as part of the CU EtherCAT Junctions series. Designed for control cabinets, it links EtherCAT segments while simultaneously buffering the 24 V DC control voltage so network communication is not interrupted during short power disturbances. By integrating junction functionality with an uninterruptible 24 V supply, the device lowers panel wiring and supports deterministic bus behavior across distributed machine sections.
Electrical performance centers on a regulated output voltage of 24 V DC, delivered at up to 4.5 A for sensors, couplers, or miniature drives. During normal operation, energy flows straight through. When the input collapses, the internal buffer can supply up to 110 W, and the upstream source must be able to furnish 120 W while charging and feeding the load. The enclosure carries an IP20 rating, making cabinet installation mandatory. Overall dimensions are 60 × 100 × 90 mm, and the housing snaps onto a TS35 × 15 2.3 DIN rail. Three LEDs labeled UIN, UOUT, and DIAG provide quick visual feedback on supply status and alarm conditions. A rear Type B USB service port complies with USB 2.0 for service access and data capture tasks.
The energy reservoir offers a capacity of 15 Wh. Together with a controlled charging current of 0.473 A, this sets the maximum bridging time that can be achieved before a controlled shutdown must occur. Storage relies on a NiMH pack supervised by the embedded controller for temperature and cycle count. Field wiring is handled through a compact 2 × 9-pin push-in terminal block that supports independent routing of input and output conductors and maintains low contact resistance. Because the power supply input and the stabilized output use the same voltage level, integration with standard PLC backplanes and decentralized terminals is straightforward, and the slim profile leaves airflow paths inside the cabinet unobstructed.
Frequently Asked Questions about CU8130-0120:
Q: What is the output voltage of the Beckhoff CU8130-0120?
A: The CU8130-0120 operates with an output voltage of 24 V DC for connected devices.
Q: What is the output current provided by the CU8130-0120 junction?
A: This model offers a maximum output current of 4.5 A for powering compatible systems.
Q: What is the storage capacity and technology used by CU8130-0120?
A: The unit features a storage capacity of 15 Wh using NiMH technology for energy backup.
Q: What type of connection terminals are available on the CU8130-0120?
A: Connection is made through two 9-pin push-in terminals, allowing for secure wiring integration.
Q: Which diagnostic LEDs are available on the Beckhoff CU8130-0120?
A: UIN, UOUT, and DIAG are the diagnostic LEDs provided, offering status indication for input, output, and diagnostics.
