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Beckhoff CX8093

The Beckhoff CX8093 is a control system with a PROFINET RT device interface implemented as a two-port switch. It can connect K-bus or E-bus I/O terminals and recognizes the connected I/O system during start-up. It is programmed with TwinCAT 2 PLC over the fieldbus interface or an additional Ethernet interface.

Source checked10/10 values · 2026-10-25Beckhoff AutomationEmbedded PC
CX8093X1X2X33 × ETHERNETArm9™, 400 MHz24 V DC (-15%/+20%)IP20CX8093 · FRONTSchematic · port count from spec
IP rating
IP20
Weight
0.18kg

Specification

1 source
Categoryembedded pc
Ethernet ports3
ProcessorArm9™, 400 MHz
Supply voltage24 V DC (-15%/+20%)
Power consumption0.003 kW
Operating temp min0 °C
Operating temp max55 °C

Quick answers

How much does the Beckhoff CX8093 weigh?
0.18 kg, per Embedded PC with Arm9™ and PROFINET device (beckhoff.com).
What is the IP rating of the Beckhoff CX8093?
IP20, per Embedded PC with Arm9™ and PROFINET device (beckhoff.com).

Study notes

  • Programming languages: IEC 61131-3; control software: TwinCAT 2 PLC; web visualization, online change and up/down load code are supported.
  • Operating system: Windows Embedded CE 6; the extended support end date has passed and up-to-date security updates can no longer be provided.
  • Main memory: 64 MB DDR2 RAM, not expandable; flash memory uses a microSD slot with 512 MB included, optionally expandable.
  • Interfaces: 1 x RJ45 10/100 Mbit/s, 1 x USB device behind the front flap, and 1 x bus interface; the bus interface is 2 x RJ45 switched at 100 Mbit/s.
  • I/O connection: E-bus or K-bus with automatic recognition; current supply for E-bus/K-bus is 2 A; max power consumption for E-bus/K-bus is 10 W (5 V/max 2 A).
  • Integrated 1-second UPS with 1 MB on microSD card; internal battery-backed clock for time and date, battery behind the front flap and exchangeable.
  • Cooling is passive; diagnostics LEDs are 1 x TC status and 2 x bus status; web-based management is supported.
  • Dimensions (W x H x D): 64 mm x 100 mm x 73 mm.
  • Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27; EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4.
  • Product status: regular delivery (not recommended for new projects); recommended alternative: CX8290.

Safety

  • Approvals/markings: CE, UL, ATEX, IECEx, cFMus.
  • ATEX: II 3G Ex nA IIC T4 Gc; II 3D Ex tc IIIC T135°C Dc.
  • IECEx: Ex nA IIC T4 Gc; Ex tc IIIC T135°C Dc.
  • cFMus: Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, AEx ec IIC T4 Gc.
  • Operating temperature: 0…55°C; storage temperature: -25…+85°C.
  • Protection rating: IP20.
  • Relative humidity: 95%, no condensation.
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