How much does the Beckhoff CX5140 weigh?

1.095 kg, per Embedded PC with Intel Atom® E3845 (beckhoff.com).

What is the IP rating of the Beckhoff CX5140?

IP20, per Embedded PC with Intel Atom® E3845 (beckhoff.com).

Beckhoff CX5140

The CX5140 is a fanless Embedded PC with an Intel Atom E3845 quad-core processor clocked at 1.91 GHz and 4 GB of non-expandable DDR3 RAM. It offers two Gigabit-capable Ethernet interfaces, four USB 2.0 ports, a DVI-I output and one optional interface slot, and connects to I/O through E-bus or K-bus terminals. With a TwinCAT runtime installed it runs PLC, PLC/motion control and interpolating axis applications, with or without visualization.

Source checked9/9 values · 2026-10-25

Beckhoff Automation Embedded PC

IP rating

IP20

Weight

1.095kg

Specification

1 source

Category	embedded pc
Ethernet ports	2
Processor	Intel Atom® E3845, 1.91 GHz
Supply voltage	24 V DC (-15 %/+20 %)
Power consumption	0.016 kW
Operating temp min	-25 °C
Operating temp max	60 °C

Quick answers

How much does the Beckhoff CX5140 weigh?: 1.095 kg, per Embedded PC with Intel Atom® E3845 (beckhoff.com).
What is the IP rating of the Beckhoff CX5140?: IP20, per Embedded PC with Intel Atom® E3845 (beckhoff.com).

Study notes

Four processor cores; Windows Embedded Compact 7 only supports one CPU core.
Memory: 4 GB DDR3 RAM, not expandable; storage via CFast card slot and microSD card slot, cards not included.
Integrated 1-second UPS with 1 MB on the CFast card.
I/O connection is E-bus or K-bus with automatic recognition; E-bus/K-bus current supply 2 A.
Max. power consumption with UPS loading is 23 W; E-bus/K-bus max. power consumption 10 W (5 V/max. 2 A).
Dimensions (W x H x D) 142 mm x 100 mm x 92 mm; weight approx. 1095 g.
Operating systems: Windows Embedded Compact 7, Windows Embedded Standard 7, Windows 10 IoT Enterprise 2016 LTSB / 2019 LTSC / 2021 LTSC, TwinCAT/BSD.
Control software: TwinCAT 2 runtime, TwinCAT 3 runtime (XAR); TwinCAT 3 platform level Performance Plus (50).
Windows Embedded Compact 7 and TwinCAT/BSD require a CFast card of at least 20 GB; Windows Embedded Standard 7 and Windows 10 IoT Enterprise require at least 40 GB.
Product status: regular delivery, not recommended for new projects; recommended alternative CX5340.
Optional interfaces available ex factory include RS232/RS485/RS422, DVI-D, DisplayPort, audio, EtherCAT master/slave, PROFIBUS master/slave, CANopen master/slave and PROFINET RT controller/device.
Storage temperature -40 to +85 °C; relative humidity 95%, no condensation; internal battery-backed clock with exchangeable battery.

Safety

Protection rating IP20.
Approvals/markings: CE, UL, DNV; ATEX, IECEx, cFMus and CCC only with ordering option CX2900-0107.
Use in hazardous areas zone 2/22 or Class I, Div. 2 requires the CX2900-0107 device modification, which is mandatory for CX5140.
Ex marking with CX2900-0107: ATEX II 3G Ex ec IIC T4 Gc; IECEx Ex ec IIC T4 Gc; cFMus Class I, Division 2, Groups A, B, C, D and Class I, Zone 2, AEx ec IIC T4 Gc.
The device documentation for use in hazardous areas must be read carefully.
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.