Product overview
CX9000 / CX9010 9Version: 2.6
2.2 Ethernet-Controller CX90x0
With the Ethernet controller CX9000, Beckhoff presents a further extension of the family of CX-type
embedded controllers. The CX90x0 is a compact, high-performance yet cost-effective PLC and motion
controller for 30 mm DIN rail mounting. Within the Beckhoff control world it is positioned between the Bus
Terminal Controller series BX and the Embedded PC CX1000. The main feature of this devices is an energy-
saving 266 MHz or 533 MHz Intel® IXP420 CPU with XScale® technology that runs under the Microsoft
Windows CE operating system. It thus offers adequate computing capacity even for complex automation
tasks. The CX90x0 requires no external storage media – the device boots the operating system from the
internal fl ash. Due to the low power consumption, within the specified operating range no fan is required.
The CX90x0 therefore requires no rotating components. As usual for the CX series, the device features a
modular mechanical design. In its basic configuration, the compact device only measures 58 x 100 x 91 mm.
EtherCAT as fast I/O-System / K-Bus as alternative I/O-System
The CX90x0 is available in two versions: with K-bus for direct connection of Bus Terminals, and as an E-bus
version for direct connection of EtherCAT Terminals. In the basic confi guration, two RJ 45 sockets that are
internally connected to an integrated switch are available as interfaces. This simplifies wiring of several
CX90x0 within a line topology. No separate switch hardware is required. The two externally accessible
Ethernet ports are independent of the EtherCAT interface, which is served by a second MAC (media access
controller) provided by the CPU.
Basic module and Systeminterfaces
Further interfaces may be added ex works as required: A screen display can be realized using a CX90x0-
N001 device, i.e. a module combining DVI/ VGA + 2 x USB 2.0. The combination of DVI and USB enables all
types of Beckhoff Control Panel with DVI/USB interface to be used. Touch functionality is connected via
USB. As a further option, two RS232 modules or two RS422/RS485 modules can be configured as COM1
and COM2. All serial interfaces feature opto-decoupling. Mass storage in form of a Compact Flash card can
be used via the CX90x0-A000 module, which offers physical storage capacity in the range of several
gigabytes.
SPS, Motion Control and Visualization
Like for all Beckhoff controllers, TwinCAT is used for programming the CX90x0 as an automation device.
The device itself contains the run-time environment for PLC and Motion Control. One of the two Ethernet
interfaces is used as programming interface.
Software
Microsoft Windows CE enables the creation of fully graphic user programs, which are able to satisfy high
expectations thanks to the graphics chip integrated in the CX90x0.
In summary, the CX90x0 is a compact Ethernet controller, which in combination with EtherCAT I/O allows
very fast I/O control cycles. Windows CE and TwinCAT CE constitute the powerful software architecture for
this controller.
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