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B&R X20AT4222

I/O module, 4 inputs for Pt100 or Pt1000 resistance…

MPN: X20AT4222
Category: Temperature measurement

€137.80excl. VAT & shipping

In stock — 1 available·Ships 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 B&R X20AT4222?

4 inputs for resistance temperature measurement

For PT100 and PT1000

Configurable sensor type per channel

Direct resistance measurement

Configurable 2- or 3- wire connections per module

Configurable filter time

The module is equipped with 4 inputs for PT100/PT1000 resistance temperature measurement.

Specifications

Short description

I/O module

4 inputs for Pt100 or Pt1000 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	0.01 W
Power consumption – Internal I/O	1.1 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 – CCS	Yes
Certifications – LR	ENV1
Certifications – KR	Yes
Certifications – ABS	Yes
Certifications – BV	EC33B ; Temperature: 5 - 55°C; Vibration: 4 g; EMC: Bridge and open deck
Certifications – KC	Yes
B&R ID code	0x1BA7
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 – 1 channel	20 ms with 50 Hz filter
Conversion time – 2 - 4 channels	40 ms per channel with 50 Hz filter
Sensor – Sensor type	Configurable per channel
Sensor – Pt100	-200 to 850°C
Sensor – Pt1000	-200 to 850°C
Max. error at 25°C – Gain	±0.037% (note: Based on the current measured resistance value.)
Max. error at 25°C – Offset	±0.0015% (note: Based on the entire resistance measurement range.)
Temperature sensor resolution – Pt100	1 LSB = 0.1°C
Temperature sensor resolution – Pt1000	1 LSB = 0.1°C
Resistance measurement resolution – G = 1	0.1 Ω
Resistance measurement resolution – G = 2	0.05 Ω
Common-mode rejection – 50 Hz	>80 dB
Common-mode rejection – DC	>95 dB
Standardized range of values for resistance measurement – G = 1	0.1 to 4500 Ω
Standardized range of values for resistance measurement – G = 2	0.05 to 2250 Ω
Temperature sensor normalization – Pt100	-200.0 to 850.0°C
Temperature sensor normalization – Pt1000	-200.0 to 850.0°C
Temperature measurement monitoring – Range undershoot	0x8001
Temperature measurement monitoring – Range overshoot	0x7FFF
Temperature measurement monitoring – Open circuit	0x7FFF
Temperature measurement monitoring – General fault	0x8000
Temperature measurement monitoring – Open inputs	0x7FFF
Resistance measurement monitoring – Range overshoot	0xFFFF
Resistance measurement monitoring – Open circuit	0xFFFF
Resistance measurement monitoring – General fault	0xFFFF
Resistance measurement monitoring – Open inputs	0xFFFF
Input	Resistance measurement with constant current supply for 2- or 3-wire connections
Digital converter resolution	16-bit
Filter time	Configurable between 1 ms and 66.7 ms
Conversion procedure	Sigma-delta
Output format	INT or UINT for resistance measurement
Resistance measurement range	0.1 to 4500 Ω / 0.05 to 2250 Ω
Input filter	First-order low-pass filter / cutoff frequency 500 Hz
Sensor standard	EN 60751
Common-mode range	>0.7 V
Insulation voltage between channel and bus	500 V eff
Linearization method	Internal
Measuring current	250 µA ±1.25%
Reference	4530 Ω ±0.1%
Permissible input signal	Short-term max. ±30 V
Max. gain drift	±0.004%/°C (note: Based on the current measured resistance value.)
Max. offset drift	±0.00015%/°C (note: Based on the entire resistance measurement range.)
Nonlinearity	<0.001% (note: Based on the entire resistance measurement range.)
Crosstalk between channels	<-93 dB

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	-
Temperature – Storage	-40 to 85°C
Temperature – Transport	-40 to 85°C
Relative humidity – Operation	5 to 95%, non-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 X20BM11 separately.
Pitch	12.5 +0.2 mm

Accessories

Required accessories (order separately)

X20BM15	Bus modules — The bus module is the base for all X20 24 VDC I/O modules; The internal I/O supply is interconnected; Manual node number assignment; Indepe…
X20BM11	Bus modules — Bus module for 24 VDC I/O modules; The internal I/O power supply is connected through. The bus module is the base for all 24 VDC I/O module…
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 (15)

X20AT4222: frequently asked questions

When can X20AT4222 be shipped?

X20AT4222 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 X20AT4222 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 X20AT4222 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 X20AT4222, subject to availability and destination.