CX5120-0122 Beckhoff
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The Beckhoff CX5120-0122 is part of the CX Embedded PC Systems series and features an Intel Atom E3815 processor running at 1.46 GHz. It comes with 2 GB DDR3 RAM, 256 MB graphics memory, and supports two LAN ports with speeds up to 1000 Mbit/s. The device measures 122 by 100 by 92 mm and is powered by a 24 V DC supply.
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Product Description:
The CX5120-0122 is a DIN-rail-mountable embedded PC from Beckhoff and is part of the CX Embedded PC Systems series. Acting as the central logic and HMI platform in compact machines, the unit combines industrial control processing with direct I/O bus coupling so that PLC, motion, and visualization tasks can run on one device. It is intended to execute deterministic control programs in real-time environments used for packaging, material handling, and building automation. Its compact industrial design allows control functions to be installed near connected equipment while reducing the amount of separate computing hardware required inside the cabinet.
The device is powered by an Intel Atom E3815 processor operating at 1.46 GHz, which uses a single processing core to keep cycle times predictable. A main memory capacity of 2 GB of DDR3 RAM supports the preinstalled TwinCAT 2 NC PTP Runtime software, which provides point-to-point axis positioning. The enclosure measures 122 × 100 × 92 mm, allowing installation within shallow cabinets while maintaining space for convection airflow. Two Gigabit Ethernet interfaces support data rates of 10/100/1000 Mbit/s for fieldbus or SCADA connectivity. The adjacent terminals can supply up to 2 A to connected Beckhoff I/O slices. The PC operates from a 24 V DC power supply, and its internal circuitry withstands 500 V of dielectric stress between the supply and logic domains.
The integrated Intel HD Graphics engine works with 256 MB of graphics memory to drive local panels through the DVI-I interface without placing the full graphics workload on the processor. The device provides four USB 2.0 host ports, each of which can supply up to 500 mA for touchscreens, service keys, or data loggers. Even when the peripheral and I/O connections are active, overall power consumption is limited to 11 W, which reduces the load on an attached uninterruptible power supply and helps control heat inside the cabinet. Gigabit networking supports communication with supervisory systems, while the modular I/O connection allows the embedded PC to exchange signals directly with attached automation terminals. The fanless arrangement also avoids reliance on mechanically driven airflow within the device.
