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B&R X20cDO8331

I/O module, 8 digital outputs 24 VDC for 1-wire connections

MPN: X20cDO8331
Category: Digital outputs

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12-month warranty (new) · 3-month (used/refurbished)
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What is the B&R X20cDO8331?

8 digital outputs with 2 A

Sink connection

1-wire connections

Power feed integrated in the module

Integrated output protection

Specifications

Short description

I/O module

8 digital outputs 24 VDC for 1-wire connections

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – Outputs	Yes, using LED status indicator and software (output error status)
Diagnostics – Supply voltage monitoring	Yes, using software
Power consumption – Bus	0.22 W
Power consumption – Internal I/O	-
Power consumption – External I/O	0.9 W
Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – ATEX	Zone 2, II 3G Ex nA nC IIA T5 Gc; IP20, Ta (see X20 user's manual); FTZÚ 09 ATEX 0083X
Certifications – UL	cULus E115267; Industrial control equipment
Certifications – HazLoc	cCSAus 244665; Process control equipment; for hazardous locations; Class I, Division 2, Groups ABCD, T5
B&R ID code	0xE22B
Status indicators	I/O function per channel, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]Mechanical and electrical configuration" in the X20 system user's manual.">	+0.56 (note: Number of outputs x R DS(on) x Nominal output current 2 . For a calculation example, see section)

Digital outputs

Actuator power supply – Supply	External
Actuator power supply – Fuse	Required line fuse: Max. 10 A, slow-blow
Switching delay – 0 → 1	<300 µs
Switching delay – 1 → 0	<500 µs
Switching frequency – Resistive load	Max. 500 Hz
Switching frequency – Inductive load	See section "Switching inductive loads".
Variant	FET current-sinking
Nominal voltage	24 VDC
Switching voltage	24 VDC -15% / +20%
Nominal output current	2 A
Total nominal current	8 A
Connection type	1-wire connections
Output circuit	Sink
Output protection	Thermal shutdown in the event of overcurrent or short circuit (see value "Short-circuit peak current"); Internal freewheeling diode for switching inductive loads (see section "Switching inductive loads"); Reverse polarity protection of supply voltage
Diagnostic status	Output monitoring with 10 ms delay
Leakage current when the output is switched off	75 µA
R DS(on)	35 mΩ
Peak short-circuit current	<24 A
Switch-on in the event of overload shutdown or short-circuit shutdown	Approx. 10 ms (depends on the module temperature)
Braking voltage when switching off inductive loads	Typ. 50 VDC
Insulation voltage between channel and bus	500 V eff
Additional functions	Outputs can be connected in parallel to increase the output current.

Electrical properties

Electrical isolation

Channel isolated from bus; Channel not isolated from channel and I/O power supply

Operating conditions

Mounting orientation – Horizontal	Yes
Mounting orientation – Vertical	Yes
Installation elevation above sea level – 0 to 2000 m	No limitation
Installation elevation above sea level – >2000 m	Reduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529	IP20

Ambient conditions

Temperature – Horizontal mounting orientation	-25 to 60°C
Temperature – Vertical mounting orientation	-25 to 50°C
Temperature – Derating	See section "Derating".
Temperature – Storage	-40 to 85°C
Temperature – Transport	-40 to 85°C
Relative humidity – Operation	Up to 100%, condensing
Relative humidity – Storage	5 to 95%, non-condensing
Relative humidity – Transport	5 to 95%, non-condensing

Mechanical properties

Note	Order 1x terminal block X20TB12 separately.; Order 1x bus module X20cBM11 separately.
Pitch	12.5 +0.2 mm

Accessories

Required accessories (order separately)

X20cBM11	Bus modules — Bus module for 24 VDC I/O modules; The internal I/O power supply is connected through.
X20TB12	Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using lever; Ability to label each terminal; Plain text labeling also possibl…

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (4)

X20cDO8331: frequently asked questions

When can X20cDO8331 be shipped?

X20cDO8331 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 X20cDO8331 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 X20cDO8331 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 X20cDO8331, subject to availability and destination.