Description

The BECKHOFF CX5120-B110 is a compact, DIN rail-mountable Embedded PC designed for medium-scale PLC and motion control applications. Powered by an Intel Atom E3815 single-core processor running at 1.46 GHz, this controller offers reliable, fanless processing capability within a highly efficient thermal envelope. It serves as an integrated control station capable of handling complex automation tasks, local visualization, and extensive communication across industrial networks.

This controller features direct, high-speed connection capabilities for Beckhoff I/O assemblies. It automatically recognizes and supports both E-bus (EtherCAT Terminals) and K-bus (Bus Terminals) physical layers, allowing engineers to mix and match standard terminal formats on a single local rack. Memory is provisioned with 2 GB of internal DDR3 RAM and a dual storage design incorporating separate slots for CFast and microSD media cards.

For operations requiring high system availability, the BECKHOFF CX5120-B110 includes an integrated 1-second UPS. This system utilizes capacitive backup technology to write up to 1 MB of persistent data to the CFast storage card during unexpected power interruptions, protecting system state variables and diagnostic logs without requiring an external battery backup.

Features

• Intel Atom E3815 single-core processor (1.46 GHz) providing dedicated processing.
• Integrated automatic physical recognition for both E-bus (EtherCAT) and K-bus (Bus Terminals).
• Dual independent RJ45 Gigabit Ethernet ports for network segmentation or daisy-chain configurations.
• Local visualization interface via an integrated DVI-I display connector.
• Four high-speed USB 2.0 ports for peripheral, diagnostics, or input device connection.
• Built-in 1-second UPS for secure persistent data storage (1 MB capacity).
• Exchangeable internal battery-backed real-time clock for timestamp accuracy.

Applications

• Central machine control systems utilizing direct local EtherCAT terminal integration.
• Decentralized data concentration and process telemetry gateways.
• HMI and control tasks combined within a single physical unit.
• Network bridge configurations utilizing the pre-configured fieldbus options.

Technical Specifications

General

Electrical and Power

I/O and Communications

Mechanical and Environmental

Installation Guidelines

1. Ensure the entire industrial control cabinet is completely de-energized before beginning installation or maintenance.
2. Verify that the mounting rail is aligned horizontally and conforms to standard DIN specifications.
3. Mount the BECKHOFF CX5120-B110 securely onto the DIN rail, ensuring the locking mechanism snaps fully into place.
4. Install the required storage media (CFast and microSD cards) containing the correct operating system and runtime configuration into the designated slots prior to powering the unit.
5. Attach local E-bus (EtherCAT) or K-bus terminal blocks to the right side of the controller. Ensure the contact points are clean and aligned correctly.
6. Connect the 24 V DC power supply lines to the terminals, verifying correct polarity and secure terminations.
7. Ensure adequate ventilation space above and below the fanless assembly to comply with the specified environmental operating temperature range.

Replacement Recommendations

1. Always isolate power and completely shut down the control system before removing the storage media or replacing the physical hardware.
2. When replacing an existing controller, retain the original CFast card to preserve the exact TwinCAT license keys, configuration files, and operating system image.
3. Ensure that replacement components have matching model numbers and interface revisions to ensure functional compatibility.