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Short description
I/O module 8 analog inputs ±10 V
General information
B&R ID code 0xD82F
Status indicators I/O function per channel, operating state, module status
Diagnostics
Module run/error Yes, using status LED and software
Inputs Yes, using status LED and software
Power consumption
Bus 0.01 W
Internal I/O 1.04 W
Additional power dissipation caused by actuators (resistive) [W] -
Certifications
CE Yes
EAC Yes
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
DNV GL Temperature: B (0 - 55°C)
Humidity: B (up to 100%)
Vibration: B (4 g)
EMC: B (bridge and open deck)
LR ENV1
KR Yes
Analog inputs
Input ±10 V
Input type Differential input
Digital converter resolution ±12-bit
Conversion time 1 ms for all inputs
Output format
Data type INT
Voltage INT 0x8001 - 0x7FFF / 1 LSB = 0x0008 = 2.441 mV
Input impedance in signal range 20 MΩ
Input protection Protection against wiring with supply voltage
Open-circuit detection Yes, using software
Reverse polarity protection Yes
Permissible input signal Max. ±30 V
Output of digital value during overload Configurable
Conversion procedure SAR
Input filter 3rd-order low pass / cutoff frequency 1 kHz
Max. error at 25°C
Gain 0.08%
Offset 0.015%
Max. gain drift 0.006 %/°C
Max. offset drift 0.002 %/°C
Common-mode rejection
DC 70 dB
50 Hz 70 dB
Common-mode range ±12 V
Crosstalk between channels -70 dB
Nonlinearity <0.025%
Isolation voltage between channel and bus 500 VDC, 1 min
Electrical properties
Electrical isolation Channel isolated from bus
Channel not isolated from channel
Operating conditions
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
Ambient conditions
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
Mechanical properties
Note Order 1x X20TB1F terminal block separately
Order 1x X20BM11 bus module separately
Spacing 12.5+0.2 mm
Material number:
X20AI8221
Description:
  • 8 analog inputs ±10 V
  • 13-bit digital converter resolution

The module is equipped with 8 inputs with 13-bit (including sign) digital converter resolution. It can be used to capture voltage signals in the range from ±10 V.

Mandatory Accessories
Bus modules
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 supply continuous
Terminal blocks
X20TB1F X20 terminal block, 16-pin, 24 VDC keyed
Automation Studio HW Upgrades Version (Date) Download
V2.7 HW Upgrade (X20AI8221) EXE / 1 MB
V3.0 HW Upgrade (X20AI8221) EXE / 1 MB
V4.0 HW Upgrade (X20AI8221) EXE / 699 KB
Certificates Version (Date) Download
244665 CSA HazLoc Certificate of Compliance X20, X67 PDF / 56 KB
DNV GL Type Approval Certificate - X20 / Power Panel T30 PDF / 171 KB
E115267 UL CoC X20 PDF / 825 KB
FTZU 09 ATEX 0083X PDF / 697 KB
KR Type Approval Certificate MIL39390-AC003 (X20 System) PDF / 758 KB
Lloyds Register PDF / 579 KB
Documentation Version (Date) Download
Data sheet X20AI8221 PDF / 293 KB
X20 System User´s Manual PDF / 50 MB
E-CAD (Electro or EPLAN Templates) Version (Date) Download
X20 EPLAN P8 from V2.4 EXE / 161 MB
M-CAD (Mechan. Templates) Version (Date) Download
3D File DXF/STEP X20 Electronic module ZIP / 10 KB
3D File STEP X20 I/O-Slice ZIP / 872 KB
Dimensions PDF X20 Electronic module PDF / 3 KB

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