X20AI2237

I/O module	2 analog inputs ±10 V

B&R ID code	0xC9C4
Status indicators	I/O function per channel, operating state, module status, sensor supply per channel
Diagnostics
Module run/error	Yes, using status LED and software
Inputs	Yes, using status LED and software
Sensor power supply	Yes, using status LED and software
Power consumption
Bus	0.05 W
Internal I/O	1.05 W (Rev. ≥ D0), 1.15 W (Rev. < D0)
External I/O	1.5 W
Additional power dissipation caused by actuators (resistive) [W]	-
Certifications
CE	Yes
ATEX	Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X
UL	cULus E115267 Industrial control equipment
HazLoc	cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5
EAC	Yes

Input	±10 V
Input type	Differential input
Digital converter resolution	±15-bit
Data output rate	10,000 samples per second
Output format
Data type	INT
Voltage	INT 0x8001 - 0x7FFF / 1 LSB = 0x0001 = 305.176 µV
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	4th-order low pass / cutoff frequency 10 kHz
Max. error
Gain	0.013%
Offset	0.0035%
Max. gain drift	<0.0008 %/°C
Max. offset drift	<0.0025 %/°C
Common-mode rejection
DC	84 dB
Up to 60 Hz	84 dB
Up to 10 kHz	82 dB
Common-mode range	±14 V
Nonlinearity	<0.003%
Test voltage
Channel - Channel	1000 VAC
Channel - Bus	1000 VAC
Channel - Ground	1000 VAC
Bus - Ground	800 VAC

Nominal voltage	25 V ±2%
Nominal output current	Max. 30 mA
Short-circuit proof	Yes, continuous
Electrical isolation
Sensor power supply - Channel	No
Sensor power supply - Sensor power supply	Yes
Max. voltage ripple
Up to 100 kHz	≤2.2 mV
Up to 1 MHz	≤22 mV
Higher	≤100 mV
Short-circuit current
Typical	<50 mA
Maximum	60 mA
Behavior on short circuit	Current limitation

Electrical isolation	Channel isolated from channel and bus

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

Temperature
Operation
Horizontal mounting orientation	-25 to 60°C
Vertical mounting orientation	-25 to 50°C
Derating	-
Storage	-40 to 85°C
Transport	-40 to 85°C
Relative humidity
Operation	5 to 95%, non-condensing
Storage	5 to 95%, non-condensing
Transport	5 to 95%, non-condensing

Note	Order 1x X20TB12 terminal block separately Order 1x X20BM11 bus module separately
Pitch	12.5^+0.2 mm

X20AI2237

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.

X20BM11	X20 bus module, 24 VDC keyed, internal I/O supply continuous
X20BM15	X20 bus module, with node number switch, 24 VDC keyed, internal I/O power supply connected through

X20TB12	X20 terminal block, 12-pin, 24 VDC keyed

Automation Studio HW Upgrades	Version (Date)	Download
V2.7 HW Upgrade (X20AI2237)		EXE / 1 MB Login for download
V3.0 HW Upgrade (X20AI2237)		EXE / 2 MB Login for download
V4.0 HW Upgrade (X20AI2237)		EXE / 838 KB Login for download

Certificates	Version (Date)	Download
244665 CSA HazLoc Certificate of Compliance X20, X67		PDF / 56 KB Login for download
E115267 UL CoC X20		PDF / 847 KB Login for download
FTZU 09 ATEX 0083X		PDF / 697 KB Login for download
X20, X67 KC certificates		PDF / 6 MB Login for download

Documentation	Version (Date)	Download
Datasheet X20AI2237		PDF / 447 KB Login for download
X20 System User´s Manual		PDF / 56 MB Login for download

E-CAD (Electro or EPLAN Templates)	Version (Date)	Download
X20 EPLAN P8 from V2.4		EXE / 123 MB Login for download

M-CAD (Mechan. Templates)	Version (Date)	Download
3D File DXF/STEP X20 Electronic module		ZIP / 10 KB Login for download
3D File STEP X20 I/O-Slice		ZIP / 872 KB Login for download
Dimensions PDF X20 Electronic module		PDF / 3 KB Login for download