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Beckhoff CX8031

Embedded PC with Arm9™ and PROFIBUS slave

MPN: CX8031
Category: CX8000 | Arm9™

Price and lead time confirmed within 1 business day

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Beckhoff CX8031?

The CX8031 is a control system with PROFIBUS slave interface. The PROFIBUS address is set via two rotary selection switches. The CX8031 offers automatic baud rate detection. K-bus or E-bus terminals can be attached as required; the CX8031 automatically

Specifications

Processor	Arm9™, 400 MHz
Number of cores	1
Flash memory	slot for microSD card, 512 MB included (optionally expandable)
Main memory	64 MB DDR2 RAM (not expandable)
1-second UPS	integrated (1 MB on microSD card)
Programming languages	IEC 61131-3
Web visualization	yes
Online change	yes
Up/down load code	yes/yes
Interfaces	1 x RJ45 10/100 Mbit/s, 1 x USB device (behind the front flap), 1 x bus interface
Cooling	passive
Bus interface	1 x D-sub 9-pin socket with shielding
Diagnostics LED	1 x TC status, 2 x bus status
Clock	internal battery-backed clock for time and date (battery behind the front flap, exchangeable)
Operating system	Windows Embedded CE 6
Control software	TwinCAT 2 PLC
I/O connection	E-bus or K-bus, automatic recognition
Power supply	24 V DC (-15%/+20%)
UPS OCT-capable	no
Current supply E-bus/K-bus	2 A
Web-based management	yes
Max. power consumption	3 W
Max. power consumption E-bus/K-bus	10 W (5 V/max. 2 A)
Dimensions (W x H x D)	64 mm x 100 mm x 73 mm
Weight	approx. 180 g
Operating temperature	0…55°C
Storage temperature	-25…+85°C
Relative humidity	95%, no condensation
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
Protection rating	IP20
Approvals/markings	CE, UL, ATEX, IECEx, cFMus
Ex marking	ATEX: II 3 G Ex nA IIC T4 Gc II 3 D 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

CX8031: frequently asked questions

When can CX8031 be shipped?

CX8031 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up CX8031 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for CX8031 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for CX8031, subject to availability and destination.