CX5120-0143 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff CX5120-0143 is part of the CX Embedded PC Systems series and features an Intel Atom E3815 processor running at 1.46 GHz with one core. It comes equipped with 2 GB DDR3 RAM, 256 MB graphics memory, and has 4 USB 2.0 ports along with two RJ45 LAN interfaces supporting speeds up to 1 Gbit/s. The embedded PC operates on a 24 V DC supply, has a maximum power draw of 11 W, and measures 122 x 100 x 92 mm.
Internal Product Review
The CX5120-0143 is a Beckhoff embedded PC built around an Intel Atom E3815 processor with a 1.46 GHz clock for efficient machine-level control. Dual RJ45 Gigabit LAN ports and 2 GB DDR3 RAM support stable networking and responsive runtime performance in automation cabinets. IP20 protection and 11 W maximum power draw make the unit a practical and dependable CX platform for industrial deployment.
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Product Description:
The CX5120-0143 is an embedded PC manufactured by Beckhoff and supplied within the CX Embedded PC Systems series. This DIN-rail-mounted controller combines PLC logic, motion control, and visualization functions in one compact unit for machine-level automation in factories and process plants. Its integrated architecture allows control programs, motion sequences, and operator interfaces to run on the same platform while communicating with distributed equipment. The unit mounts inside a control cabinet and connects directly to compatible I/O terminals, reducing the amount of separate control hardware required for automated machinery.
The computing section uses an Intel Atom E3815 processor operating at 1.46 GHz. This single-core CPU provides consistent processing performance while keeping heat generation low. Runtime data and the TwinCAT environment reside in 2 GB of DDR3 RAM, helping prevent storage-related delays during cyclic control tasks. Two independent Gigabit Ethernet channels are available through two RJ45 interfaces supporting 10/100/1000 Mbit/s, allowing fieldbus couplers and supervisory networks to use separate connections without an external switch. Peripheral devices such as barcode readers and storage drives connect through four USB 2.0 Type A ports, with each port supplying up to 500 mA to bus-powered equipment. The controller also includes 256 MB of graphics memory for local HMI panels. An internal UPS capacitor keeps the system operating for approximately one second after power loss, providing time to retain essential data.
Control cabinets supply the unit with 24 V DC, which is compatible with common industrial power rails. The electronics consume a maximum of 11 W, allowing heat to dissipate through convection under suitable cabinet conditions. Its IP20 enclosure protects against accidental finger contact with internal components, but the controller must remain inside a protected environment. The housing has compact dimensions of 122 × 100 × 92 mm, allowing it to mount beside I/O terminals without substantially increasing panel depth. Electrical isolation provides a dielectric strength of 500 V between the supply and field wiring, helping limit unwanted current paths between connected circuits. The separate Ethernet ports support organized network routing, while the USB connections provide direct access for supported peripherals without requiring an additional hub.
