CX1800-1080 Beckhoff
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The Beckhoff CX1800-1080 is part of the CX Embedded PC Systems series and is equipped with an Arm9 400 MHz processor and 64 MB of RAM as main memory. It offers three RJ45 Ethernet ports supporting ADS, ModbusTCP, TCP/IP, UDP/IP, and RT-Ethernet protocols, and utilizes either K-bus or E-bus for I/O interfaces. The device features a 512 MB MicroSD flash memory and operates with a supply voltage of 24 VDC.
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Product Description:
The CX1800-1080 is an embedded PC module manufactured by Beckhoff for the CX Embedded PC Systems series. Designed to serve as the central control element inside control cabinets, it combines processing, fieldbus communication, and data storage to run TwinCAT automation software and interface directly with distributed I/O for machine-level tasks. Either K-bus or E-bus terminals snap directly to the right side, giving the unit flexibility between classic parallel and high-speed EtherCAT I/O.
The controller employs a Arm9 400 MHz processor to execute deterministic PLC cycles. Its main system memory is 64 MB RAM, while nonvolatile application data reside on a 512 MB MicroSD card. Minimum HMI memory is 128 MB, providing headroom for local visualization. Program tasks can be scheduled at a minimum cycle time of 1 ms, enabling fast interlocks and motion sequences. Network connectivity is offered through 3 × RJ45 ports that support ADS, ModbusTCP, TCP/IP, UDP/IP, and RT-Ethernet, so a separate switch is unnecessary for small cells. The electronics draw power from a 24 VDC (-15%/+20%) supply, making the unit compatible with common control cabinet power rails.
Runtime software includes TwinCAT PLC HMI CE for on-device visualization and TwinCAT PLC for deterministic logic execution. PLC code is authored to the IEC 61131-3 standard, which supports portability across Beckhoff platforms. For horizontal data exchange, the TwinCAT TCP Server service exposes tag values over standard socket connections, while the TwinCAT XML Data Server supports structured diagnostics via HTTP. Remote panels and SCADA clients can reach the unit through the stated Ethernet protocols without additional middleware. The TwinCAT environment can map process images directly to the selected K-bus or E-bus slice, maintaining the 1 ms task time even when the maximum terminal count is installed.
Frequently Asked Questions about CX1800-1080:
Q: How many Ethernet ports are present on the CX1800-1080 Embedded PC?
A: This model includes three RJ45 Ethernet ports for network connectivity.
Q: What processor does the CX1800-1080 use?
A: The CX1800-1080 features an ARM9 processor running at 400 MHz.
Q: What is the supply voltage specification for the CX1800-1080?
A: The CX1800-1080 operates on a supply voltage of 24 VDC with a tolerance of -15% to +20%.
Q: What is the minimum task time supported by the CX1800-1080?
A: This model offers a minimum task time of 1 ms for automation routines.
Q: What I/O interface options are available on the CX1800-1080?
A: The CX1800-1080 supports both K-bus and E-bus I/O interfaces for flexible module expansion.
