CX8051 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The CX8051 is an embedded PC produced by Beckhoff as part of the CX Embedded PC Systems series. It features a 32-bit ARM CPU architecture, 512 MB MicroSD flash memory, and supports a CANopen Slave fieldbus type. The PC measures 100 mm in height, 64 mm in width, and 73 mm in depth, and weighs 180 grams.
Internal Product Review
The Beckhoff CX8051 is a well-engineered embedded PC featuring a 32-bit ARM architecture and CANopen Slave fieldbus support. A 24 VDC supply with -15%/+20% voltage tolerance supports dependable operation in industrial control environments. K-bus or E-bus compatibility adds valuable I/O flexibility, making the unit a strong choice for compact machine control.
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Product Description:
The CX8051 is an embedded PC controller manufactured by Beckhoff within the CX Embedded PC Systems series. It combines PLC processing, fieldbus communication, and slice-style I/O expansion so that K-bus or E-bus terminals can be driven directly from a compact rail-mounted unit. In machine-level automation, it supervises local sensors and actuators, exchanges process data over Ethernet and CANopen, and executes user logic in real time.
Its processor is a 32-bit ARM core that provides the processing power for IEC 61131-3 tasks. The power input accepts a nominal voltage of 24 VDC, and the controller draws up to 2.0 A, which must be considered when sizing the cabinet power supply. User code and boot files reside on a removable 512 MB microSD card, simplifying system updates and backups. Network access is handled through an RJ-45 connector that provides one Ethernet port for programming, diagnostics, or higher-level protocols. When the controller is connected to a distributed network, it operates as a CANopen slave, allowing a bus master to map its process image without additional gateways. The housing measures 64 mm in width, leaving rail space for adjacent modules in confined control panels.
Its insulation system has a dielectric strength of 500 V, supporting reliable separation between logic and power domains in electrically noisy environments. Power distribution to downstream terminals is routed through integrated contacts that can carry up to 10 A, so extra feed modules are unnecessary for medium-sized I/O strings. A capacitive buffer maintains CPU operation for 1 s after a power interruption, giving the runtime enough time to store retained variables and close fieldbus frames. The housing measures 100 mm in height and 73 mm in depth, allowing the controller to fit on standard DIN rails. Its mass of 180 g keeps the load on the mounting hardware low. An input tolerance of -15% to +20% allows the unit to handle fluctuations in the DC supply without shutting down.
