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B&R X20AI2237

I/O module, 2 analog inputs ±10 V

MPN: X20AI2237
Category: Analog inputs

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12-month warranty (new) · 3-month (used/refurbished)
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What is the B&R X20AI2237?

2 analog voltage inputs

Electrically isolated analog channels

Electrically isolated sensor supplies

16-bit digital converter resolution

Very high sampling rate

NetTime timestamp: Moment of measurement

The module is equipped with 2 voltage measurement inputs with 16-bit digital converter resolution.

Each voltage input has its own sensor supply. The two channels with their respective sensor supplies are electrically isolated from each other.

Specifications

Short description

I/O module

2 analog inputs ±10 V

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – Inputs	Yes, using LED status indicator and software
Diagnostics – Sensor power supply	Yes, using LED status indicator and software
Power consumption – Bus	0.05 W
Power consumption – Internal I/O	1.05 W (Rev. ≥D0), 1.15 W (Rev. <D0) (note: To reduce power dissipation, B&R recommends bridging unused inputs.)
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
B&R ID code	0xC9C4
Status indicators	I/O function per channel, operating state, module status, sensor power supply per channel
Additional power dissipation caused by actuators (resistive) [W]	-

Analog inputs

Output format – Data type	INT
Output format – Voltage	INT 0x8001 - 0x7FFF / 1 LSB = 0x0001 = 305.176 µV
Max. error – Gain	0.013% (note: Based on the current measured value.)
Max. error – Offset	0.0035% (note: Based on the 20 V measurement range.)
Common-mode rejection – DC	84 dB
Common-mode rejection – Up to 60 Hz	84 dB
Common-mode rejection – Up to 10 kHz	82 dB
Test voltage – Channel - Channel	1000 VAC
Test voltage – Channel - Bus	1000 VAC
Test voltage – Channel - Ground	1000 VAC
Test voltage – Bus - Ground	800 VAC
Input	±10 V
Input type	Differential input
Digital converter resolution	±15-bit
Data output rate	10000 samples per second
Input impedance in signal range	20 MΩ
Input protection	Up to 30 VDC, reverse polarity protection
Open-circuit detection	Yes, using software
Permissible input signal	Max. ±30 V
Output of digital value during overload	Configurable
Conversion procedure	SAR
Input filter	Fourth-order low-pass filter / Cutoff frequency 10 kHz
Max. gain drift	<0.0008%/°C (note: Based on the current measured value.)
Max. offset drift	<0.0025%/°C (note: Based on the 20 V measurement range.)
Common-mode range	±14 V
Nonlinearity	<0.003% (note: Based on the 20 V measurement range.)

Sensor power supply

Max. voltage ripple – Up to 100 kHz	≤2.2 mV
Max. voltage ripple – Up to 1 MHz	≤22 mV
Max. voltage ripple – Higher	≤100 mV
Short-circuit current – Typical	<50 mA
Short-circuit current – Maximum	60 mA
Power consumption	0.75 W per channel
Nominal voltage	25 V ±2%
Nominal output current	Max. 30 mA
Short-circuit proof	Yes, continuous
Behavior on short circuit	Current limiting

Electrical properties

Electrical isolation

Channel isolated from channel and bus; Sensor power supply isolated from sensor power supply; Sensor power supply 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 (8)

X20AI2237: frequently asked questions

When can X20AI2237 be shipped?

X20AI2237 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 X20AI2237 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 X20AI2237 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 X20AI2237, subject to availability and destination.