Home Beckhoff CX Embedded PC Systems CX8093

CX8093

Name: CX8093
Brand: Beckhoff
Price: 432 USD
Availability: InStock
Rating: 4.4 (27 reviews)

Rated 4.4 (27 total ratings)

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The CX8093 embedded PC features a 32-bit ARM9 CPU clocking at 400 MHz, 64 MB DDR2 RAM, a replaceable 256 MB microSD card for storage, and a power consumption of approximately 2.4 W. In the CX Embedded PC Systems by Beckhoff, it includes IP20 protection, Ethernet connectivity, and supports an operating range of 0 to +55 degrees C.

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Product Description:

The Beckhoff CX8093 is one of the members of the CX Embedded PC Systems series, which is powered by a 32-bit ARM9 CPU while having a clock speed of 400 MHz for effective industrial automation operations. The device also has 64 MB DDR2 RAM and comes with a Theft Durable microSD card of 256 MB that is extendable up to microSD 8 GB. It also runs on the Windows CE operating system and has two RJ45 Ethernet ports (10/100 Mbit/s) that are switchable with fieldbus interfaces.

The CX8093 works with a power input of 24 V DC and uses about 2.4 W of power with no fieldbus or I/O modules attached to it. It is designed for stable usage and has an operational temperature range of 0 degrees C to 55 degrees C, while the storage temperature range ranges from -25 degrees C to 85 degrees C. The enclosure protection classification is IP20, which means that the device should be used in clean and controlled surroundings. Another notable feature of the CX8093 is that it has a small form factor of 64 mm x 100 mm x 73 mm (W x H x D); therefore, it does not occupy a large space. Its small size ensures that it can be mounted on control cabinets or put on DIN rails.

Another feature of the CX8093 PC is that it comes with 64 MB of DDR2 RAM, which is higher than the standard 32 MB of DDR RAM. These features promote efficient and smooth working to process data and run programs, without any interruption or delays. It helps in managing control tasks of the device, so it can provide adequate real-time memory and can easily interface with other automation devices.

Specs
Common Troubleshooting Steps
Product Comparison
Similar Ordering Codes
Common Error Codes

Clock Frequency
400 MHz

Cpu
32-bit ARM9

Dimensions (w X H X D)
64 mm x 100 mm x 73 mm

Fieldbus
Ethernet (2 x RJ45, 10/100 Mbit/s, switchable)

Flash Memory
256 MB microSD card (exchangeable, up to 8 GB supported)

Operating System
Windows CE

Operating Temperature
0...+55 degrees C

Power Consumption
Approx. 2.4 W (without fieldbus, I/O modules)

Power Supply
24 V DC (-15%/+20%)

Protection Class
IP20

Ram
64 MB DDR2 RAM

Storage Temperature
-25...+85 degrees C

Fault / Symptom	What it usually means	Corrective action
Power LED remains off after energising	24 V DC supply absent or below –15 % tolerance	Measure supply at the CX8093 terminals; restore 19.2–28.8 V DC; check panel fuse/breaker wiring.
TC (TwinCAT) LED flashing red	Runtime stopped—PLC program not executing	Connect with TwinCAT, read the log, clear exception, and switch the PLC to Run; re-download or restore program snapshot if corrupt.
WD (Watchdog) LED flashing red	Watch-dog timeout (PROFINET master lost or PLC task over-cycle)	Inspect task‐load in TwinCAT System Manager, optimise cycle times, verify network cabling to the PROFINET controller, and reboot the CX.
Bus-status LEDs alternate red/green	E-bus / K-bus terminal fault or incorrect end-cap	Power down, reseat terminals, replace the missing KL90xx end-terminal, power up and confirm bus scan is error-free.
Both PROFINET port link LEDs dark	Network link down or auto-negotiation failed	Test patch leads with a cable-tester, inspect switch-port status, verify masters are in the same VLAN/subnet, then hot-swap leads and retest.
ERR LED solid red immediately after boot	Firmware checksum or boot image invalid	Create a fresh boot image on a micro-SD card from the Beckhoff ISO, insert, hold Reset while powering, and re-flash the device.
Device shows “Unknown-Device” in TwinCAT target browser	Mismatch between firmware and GSDML/device description	Update TwinCAT device descriptions (or GSDML on Siemens TIA) and, if required, update CX8093 firmware to the latest build.
System clock resets to 2006 at power-up	RTC coin-cell battery discharged	Open the front flap, replace the CR2032 battery, then set date/time in TwinCAT; dispose of old battery per IEC 60254 guidelines.
CX fails to boot – SD-card not detected	micro-SD card corrupted or formatted incorrectly	Power off, remove card, back-up data, re-format FAT32, reload firmware image or insert Beckhoff-supplied card, then retest boot.
Spontaneous warm reboot / erratic behaviour above 55 °C	Ambient temperature outside spec	Improve cabinet airflow, add DIN-rail fan units, or relocate controller so ambient stays ≤ 55 °C continuous.

Model	Fieldbus / Interface	CPU & Clock	RAM	Flash (factory)	Max. power	Operating system	Typical use case highlight
CX8093	PROFINET RT device, 2-port switch	Arm9 400 MHz	64 MB	512 MB µSD	3 W	Win CE 6	Compact PROFINET-slave PLC for Siemens networks.
CX8090	2-port generic Ethernet (ADS, Modbus TCP, TCP/UDP)	Arm9 400 MHz	64 MB	512 MB µSD	3 W	Win CE 6	General-purpose PLC—ideal gateway between TCP/IP devices and Beckhoff I/O.
CX8091	BACnet/IP or OPC UA	Arm9 400 MHz	64 MB	512 MB µSD	3 W	Win CE 6	Building-automation controller with native BACnet device stack.
CX8095	EtherNet/IP adapter (slave)	Arm9 400 MHz	64 MB	512 MB µSD	3 W	Win CE 6	Allen-Bradley/CompactLogix-friendly slave PLC for mixed EtherNet/IP cells.
CX8010	EtherCAT slave	Arm9 400 MHz	64 MB	512 MB µSD	3 W	Win CE 6	Low-cost node that extends TwinCAT logic into third-party EtherCAT masters.
CX9020	EtherCAT master + dual-switched Ethernet	Arm Cortex-A8 1 GHz	1 GB DDR3	Dual µSD slots (up to 32 GB)	8 W	Win Embedded Compact 7	Performance step-up—motion-capable PLC/HMI in the same DIN-rail footprint.

Ordering code

Error code / LED pattern	What it means
K-BUS ERR LED – continuous flash	EMC disturbance on supply or wiring
3 pulses / arg 0	K-Bus command error (no terminal detected or first terminal faulty)
4 pulses / arg 0	Break in K-Bus immediately after the coupler
4 pulses / arg n	Break after Bus Terminal n (missing end cap)
5 pulses / arg n	Register-communication fault at terminal n
6 pulses / arg 0	Error during K-Bus initialisation
6 pulses / arg 1	Internal data error (coupler)
6 pulses / arg 8	Alternate internal data error
7 pulses / arg 0	Process-data length mismatch with configuration
7 pulses / arg 1…n	K-Bus reset failed at terminal n

Frequently Asked Questions about CX8093:

Q: What is the CPU specification for the CX8093 embedded PC?

A: The CX8093 embedded PC uses a 32-bit ARM9 processor with a clock frequency of 400 MHz.

Q: What is the flash memory capacity for the CX8093 embedded PC?

A: The CX8093 embedded PC has a 256 MB microSD card (exchangeable, up to 8 GB supported).

Q: What operating system is used by the CX8093 embedded PC?

A: The CX8093 embedded PC uses Windows CE as its operating system.

Q: What is the power consumption of the CX8093 embedded PC?

A: The power consumption for the CX8093 embedded PC is approximately 2.4 W (without fieldbus, I/O modules).

Q: What is the operating temperature range for the CX8093 embedded PC?

A: The operating temperature range for the CX8093 embedded PC is 0 degrees C to +55 degrees C.

Internal Product Review

‘‘The CX8093 is a reliable, space-efficient embedded PC ideal for compact control cabinets. With its dual Ethernet ports and support for Windows CE, it integrates smoothly into decentralized systems requiring moderate processing and strong networking flexibility.’’