B&R X20cAT2311 – I/O module, 2 inputs for Pt100 resistance temperature…

Name: B&R X20cAT2311 – I/O module, 2 inputs for Pt100 resistance temperature…
Brand: B&R
SKU: X20cAT2311

MPN: X20cAT2311 · 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	Temperature measurement
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can X20cAT2311 be shipped?

X20cAT2311 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 X20cAT2311 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 X20cAT2311 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 X20cAT2311, subject to availability and destination.

• 2 inputs for resistance temperature measurement

• PT100 sensor

• Direct resistance measurement

• 4-wire measurement

• Configurable filter time

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…

Specifications

Short description

I/O module

2 inputs for Pt100 resistance temperature measurement

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – Inputs	Yes, using LED status indicator and software
Power consumption – Bus	0.35 W
Power consumption – Internal I/O	0.85 W
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	0xF3B6
Status indicators	I/O function per channel, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]	-

Resistance measurement temperature inputs

Conversion time – 1000 Hz filter	1 ms for all inputs
Conversion time – 50 Hz filter	20 ms for all inputs
Max. error at 25°C " data-placement="top" data-html="true" data-container="body" data-content="To guarantee accuracy, dummy module ZF0000 must be connected to the left and right of module AT2311."> – Gain	±0.0059% " data-placement="top" data-html="true" data-container="body" data-content="Based on the current measured resistance value.">
Max. error at 25°C " data-placement="top" data-html="true" data-container="body" data-content="To guarantee accuracy, dummy module ZF0000 must be connected to the left and right of module AT2311."> – Offset	±0.0015% " data-placement="top" data-html="true" data-container="body" data-content="Based on the entire resistance measurement range.">
Temperature measurement monitoring – Range undershoot	0x80000001
Temperature measurement monitoring – Range overshoot	0x7FFFFFFF
Temperature measurement monitoring – Open circuit	0x7FFFFFFF
Temperature measurement monitoring – General fault	0x80000000
Temperature measurement monitoring – Open inputs	0x7FFFFFFF
Resistance measurement monitoring – Range undershoot	0x80000001
Resistance measurement monitoring – Range overshoot	0xFFFFFFFF
Resistance measurement monitoring – Open circuit	0xFFFFFFFF
Resistance measurement monitoring – General fault	0x80000000
Input	Resistance measurement with constant current supply for 4-wire connections
Digital converter resolution	24-bit
Filter time	Configurable between 1 ms and 400 ms
Conversion procedure	Sigma-delta
Output format	DINT or UDINT for resistance measurement
Temperature measurement range	-200 to 850°C
Resistance measurement range	0.5 to 390 Ω
Temperature sensor resolution	1 LSB = 0.001°C
Resistance measurement resolution	0.001 Ω
Input filter	First-order low-pass filter / cutoff frequency 1050 Hz
Sensor standard	EN 60751
Insulation voltage between channel and bus	500 V eff
Insulation voltage between channel and channel	500 V eff
Linearization method	Internal
Measuring current	1 mA
Temperature sensor normalization	-200.0 to 850.0°C
Reference	1568 Ω ±0.1%
Permissible input signal	Short-term max. 28.8 V
Max. gain drift	±0.00065%/°C " data-placement="top" data-html="true" data-container="body" data-content="Based on the current measured resistance value.">
Max. offset drift	±0.000025%/°C " data-placement="top" data-html="true" data-container="body" data-content="Based on the entire resistance measurement range.">
Nonlinearity	<0.001% " data-placement="top" data-html="true" data-container="body" data-content="Based on the entire resistance measurement range.">
Standardized range of values for resistance measurement	0.5 Ω to 390 Ω

Electrical properties

Electrical isolation

Channel isolated from channel and bus

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	-
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

Downloads & documentation

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

Data sheets & manuals

Data sheet X20(c)AT2311	PDF · 774 KB · 3.40 (10/08/2024) - 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 X20 Electronic module	ZIP · 10 KB · 1.0 (10/17/2005)
3D File STEP X20 I/O-Slice	ZIP · 872 KB · 1.1 (03/13/2019)
Dimensions PDF X20 Electronic module	PDF · 3 KB · 1.0 (10/17/2005)

Certificates (11)

ABS Certificate of Product Design Assessment - X20 IO Series	PDF · 454 KB · 2.00 (01/13/2025)
E115267 UL Certificate of Compliance X20	PDF · 3 MB · 2026_08_27 (08/27/2026)
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 ACOPOSmicro	PDF · 109 KB · 2022-09 (09/12/2022)
UK Declaration PLC X20	PDF · 151 KB · 2024-01 (01/18/2024)