CX9020-0111-1002 Beckhoff
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The Beckhoff CX9020-0111-1002 is part of the CX Embedded PC Systems series and is equipped with a 1 GHz ARM Cortex-A8 processor and 1 GB DDR3 RAM. It has passive cooling, 4 USB 2.0 ports, and 2 RJ45 LAN ports supporting 10/100 Mbit/s. This embedded PC operates with a 24 V DC power supply and carries a protection rating of IP20.
Internal Product Review
The CX9020-0111-1002 is a Beckhoff embedded PC built around a 1 GHz ARM Cortex-A8 processor. Passive cooling and 5 W maximum power use make the platform especially attractive for compact control cabinets and continuous-duty service. TwinCAT 2 PLC Runtime support and dual RJ45 10/100 Mbit/s ports give the unit efficient PLC integration and dependable network connectivity.
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Product Description:
Beckhoff manufactures the CX9020-0111-1002 as part of its CX Embedded PC Systems series. The device is an embedded PLC computer intended to mount directly on a DIN rail and coordinate digital and analog I/O in automated machinery. Running the TwinCAT 2 PLC runtime, it performs deterministic logic processing, data handling, and network communication for small to mid-sized control stations.
The hardware platform is driven by an Arm Cortex-A8, 1 GHz processor that offers a single computation core for real-time task scheduling. Program code and variable tables reside in 1 GB DDR3-RAM, which is soldered to the board for vibration tolerance. Two RJ45, 10/100 Mbit/s interfaces support Ethernet-based fieldbuses, remote access, or standard office networks without additional couplers. Electrical input is a regulated 24 V DC line, and under peak load the controller draws only 5 W, keeping cabinet heat generation low. Because the aluminum chassis relies on passive convection, no fans or filters are needed. Physical dimensions of 84 × 100 × 91 mm allow side-by-side stacking with Beckhoff terminal blocks while preserving clearance inside compact control cabinets.
Peripheral expansion is provided by 4 × USB 2.0 ports that accept service peripherals or wireless adapters, and two microSD card slots can hold boot media or data archives. For fail-safe storage of process values, the controller integrates 128 kB of NOVRAM that preserves information through power interruptions. The internal I/O bus can source 2 A to attached terminal segments, while separate spring-loaded power contacts forward up to 10 A for actuator loads without additional wiring. A DIN-rail clip fixes the unit inside enclosures that meet IP20 ingress protection, so installation is restricted to clean, dry control cabinets. The compact format suits motion, packaging, and utility monitoring nodes.
