CX5120-0142 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The CX5120-0142 is an embedded PC from Beckhoff and is part of the CX Embedded PC Systems series. It operates on an Intel Atom E3815 processor with a clock frequency of 1.46 GHz and 2 GB DDR3-RAM. The system features 4 USB 2.0 Type A ports, 2 RJ45 Ethernet ports, and supports removable storage through CFast and MicroSD.
Internal Product Review
The CX5120-0142 is a Beckhoff embedded PC built around an Intel Atom E3815 processor with a 1.46 GHz clock frequency. Dual RJ45 Ethernet ports and 4 USB 2.0 Type A ports support clean integration with machine networks and peripheral devices. With a 24 V DC power supply and 11 W max power consumption, the platform stands out as an efficient control solution for compact industrial installations.
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Product Description:
The CX5120-0142 is an embedded PC manufactured by Beckhoff as part of the CX Embedded PC Systems series. Designed for control-cabinet installation, this unit serves as the central processor for small to midsize PLC, motion, and HMI tasks. It links fieldbus couplers with visualization software to coordinate sensors, drives, and operator panels in industrial automation.
The controller runs on an Intel Atom E3815 processor clocked at 1.46 GHz. The single-core architecture keeps thermal output low while providing deterministic cycle times for IEC 61131-3 runtimes. A 2 GB DDR3-RAM module stores the operating system, user program, and process variables, while 256 MB of shared graphics memory supports lightweight local visualization. Power is supplied through a 24 V DC rail, and maximum demand stays within 11 W, allowing low-current power supplies to support multiple controllers. The CPU segment draws 10 W from the I/O bus so additional expansion cards do not overload the backplane. One logical core handles deterministic PLC execution, reducing scheduler overhead and improving jitter tolerance.
Network and peripheral connectivity are provided by two RJ45 Gigabit Ethernet ports for EtherCAT or TCP/IP traffic and four USB 2.0 Type A sockets for service dongles, scanners, or backup drives. Local visualization can be driven directly through a DVI-I interface without adding a separate graphics card. The system provides up to 500 V of dielectric strength between the supply and shield, reducing the need for external isolation modules. CFast and MicroSD slots offer removable storage for programs or logs. The integrated uninterruptible power supply buffers the 24 V line for one second, allowing the controller to save data during short power interruptions.
