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Available on request

B&R X20cDIF371 – I/O module, 16 digital inputs 24 VDC for 1-wire connections

Name: B&R X20cDIF371 – I/O module, 16 digital inputs 24 VDC for 1-wire connections
Brand: B&R
SKU: X20cDIF371

MPN: X20cDIF371 · Brand: B&R

Price on request

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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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Quick facts

Availability	Confirmed on request
Category	Digital inputs
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can X20cDIF371 be shipped?

X20cDIF371 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 X20cDIF371 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 X20cDIF371 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 X20cDIF371, subject to availability and destination.

• 16 digital inputs

• Sink connection

• 1-wire connections

• Software input filter can be configured for entire module

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.
X20TB1F	Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using a screwdriver; Ability to label each terminal; Plain text labeling also…

Specifications

Short description

I/O module

16 digital inputs 24 VDC for 1-wire connections

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Power consumption – Bus	0.18 W
Power consumption – Internal I/O	1.47 W " data-placement="top" data-html="true" data-container="body" data-content="The power consumed externally for operating the module discharges via the GND contact of the power supply module and must therefore be taken into account in the power balance of the power supply module.">
Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
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
Certifications – DNV	Temperature: B (0 to 55°C); Humidity: B (up to 100%); Vibration: B (4 g); EMC: B (bridge and open deck)
Certifications – LR	ENV1
Certifications – KR	Yes
Certifications – ABS	Yes
Certifications – BV	EC33B ; Temperature: 5 - 55°C; Vibration: 4 g; EMC: Bridge and open deck
B&R ID code	0xDD44
Status indicators	I/O function per channel, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]	-

Digital inputs

Input filter – Hardware	≤100 μs
Input filter – Software	Default 1 ms, configurable between 0 and 25 ms in 0.2 ms increments
Simultaneity " data-placement="top" data-html="true" data-container="body" data-content="Maximum permissible number of simultaneously enabled inputs"> – With 24 V I/O power supply	100% (16 channels) " data-placement="top" data-html="true" data-container="body" data-content="Derating must be taken into account.">
Simultaneity " data-placement="top" data-html="true" data-container="body" data-content="Maximum permissible number of simultaneously enabled inputs"> – With 28.8 V I/O power supply	75% (12 channels) " data-placement="top" data-html="true" data-container="body" data-content="Derating must be taken into account.">
Switching threshold – Low	<5 VDC
Switching threshold – High	>15 VDC
Nominal voltage	24 VDC
Input characteristics per EN 61131-2	Type 1
Input voltage	24 VDC -15% / +20%
Input current at 24 VDC	Typ. 2.68 mA
Input circuit	Sink
Connection type	1-wire connections
Input resistance	Typ. 8.9 kΩ
Insulation voltage between channel and bus	500 V eff

Electrical properties

Electrical isolation

Channel isolated from bus; Channel not isolated from channel

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 X20TB1F separately.; Order 1x bus module X20cBM11 separately.
Pitch	12.5 +0.2 mm

Downloads & documentation

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

Data sheets & manuals

Data sheet X20(c)DIF371	PDF · 751 KB · 2.30 (08/19/2024) - EN
Coated modules	PDF · 60 KB · 1.00 (01/29/2015) - EN
X20 System User´s Manual	PDF · 50 MB · 4.40 (03/10/2026) - EN

CAD & dimension drawings

3D File DXF/STEP X20DxD3xx

ZIP · 1 MB · 1.00 (08/27/2019)

Certificates (10)

2226379 CSA Certificate of Compliance X20 X67	PDF · 205 KB · 2026_09 (09/21/2026)
ABS Certificate of Product Design Assessment - X20 IO Series	PDF · 454 KB · 2.00 (01/13/2025)
EU Data Act - X20 IO - Connected Product Information Notice	PDF · 92 KB · 1.00 (09/30/2025)
EU Declaration ATEX X20	PDF · 218 KB · 2023-07 (09/05/2023)
EU Declaration of conformity PLC X20	PDF · 169 KB · 2021/10 (11/08/2021)
KR Type Approval Certificate MIL39390-AC003 (X20 System)	PDF · 320 KB · 2.0 (05/05/2025)
Lloyds Register (X20 only)	PDF · 884 KB · 1.30 (07/07/2025)
RINA Type Approval Certificate - X20 / Power Panel T30	PDF · 1 MB · 1.00 (05/07/2021)
TAA00000BJ DNV Type Approval Certificate X20	PDF · 186 KB · 13.0 (05/04/2026)
UK Declaration PLC X20	PDF · 151 KB · 2024-01 (01/18/2024)