IAC

B&R X20cAI4632

4 analog inputs Either current or voltage signal possible 16-bit digital converter resolution Simultaneous input conversion Very fast conversion time The module is equipped with 4 inputs with 16-bit digital converter resolution. It is possible to select between the current and voltage signal using different terminals.

Lifecycle & replacement

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Technical specifications

Short description
I/O module4 analog inputs ±10 V or 0 to 20 mA
General information
Diagnostics / Module run/errorYes, using LED status indicator and software
Diagnostics / InputsYes, using LED status indicator and software
Diagnostics / Channel typeYes, using software
Power consumption / Bus0.01 W
Power consumption / Internal I/O1.5 W
Certifications / CEYes
Certifications / UKCAYes
Certifications / ATEXZone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X
Certifications / ULcULus E115267 Industrial control equipment
Certifications / HazLoccCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5
Certifications / DNVTemperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck)
Certifications / LRENV1
Certifications / KRYes
Certifications / ABSYes
Certifications / BVEC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck
B&R ID code0xE1F0
Status indicatorsI/O function per channel, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]-
Analog inputs
Digital converter resolution / Voltage±15-bit
Digital converter resolution / Current15-bit
Output format / VoltageINT 0x8001 - 0x7FFF / 1 LSB = 0x0001 = 305.176 µV
Output format / CurrentINT 0x0000 - 0x7FFF / 1 LSB = 0x0001 = 610.352 nA
Input impedance in signal range / Voltage20 MΩ
Input impedance in signal range / Current-
Load / Voltage-
Load / Current<400 Ω
Permissible input signal / VoltageMax. ±30 V
Permissible input signal / CurrentMax. ±50 mA
Output of digital value during overload / Undershoot / Voltage0x8001
Output of digital value during overload / Undershoot / Current0x0000
Output of digital value during overload / Overshoot / Voltage0x7FFF
Output of digital value during overload / Overshoot / Current0x7FFF
Max. error / Voltage / Gain0.08%
Max. error / Voltage / Offset0.01%
Max. error / Current / Gain0.08%
Max. error / Current / Offset0.02%
Max. gain drift / Voltage0.01%/°C
Max. gain drift / Current0.01%/°C
Max. offset drift / Voltage0.001%/°C
Max. offset drift / Current0.002%/°C
Common-mode rejection / DC70 dB
Common-mode rejection / 50 Hz70 dB
Nonlinearity / Voltage<0.01%
Nonlinearity / Current<0.015%
Input±10 V or 0 to 20 mA, via different terminal connections
Input typeDifferential input
Conversion time50 μs for all inputs
Output formatINT
Input protectionProtection against wiring with supply voltage
Conversion procedureSAR
Input filterHardware - Third-order low-pass filter / cutoff frequency 10 kHz
Common-mode range±12 V
Crosstalk between channels<-70 dB
Insulation voltage between channel and bus500 Veff
Electrical properties
Electrical isolationChannel isolated from bus Channel not isolated from channel
Operating conditions
Mounting orientation / HorizontalYes
Mounting orientation / VerticalYes
Installation elevation above sea level / 0 to 2000 mNo limitation
Installation elevation above sea level / >2000 mReduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529IP20
Ambient conditions
Temperature / Operation / Horizontal mounting orientation-25 to 60°C
Temperature / Operation / Vertical mounting orientation-25 to 50°C
Temperature / DeratingSee section "Derating".
Temperature / Starting temperatureYes, -40°C
Temperature / Storage-40 to 85°C
Temperature / Transport-40 to 85°C
Relative humidity / OperationUp to 100%, condensing
Relative humidity / Storage5 to 95%, non-condensing
Relative humidity / Transport5 to 95%, non-condensing
Mechanical properties
NoteOrder 1x terminal block X20TB12 separately. Order 1x bus module X20cBM11 separately.
Pitch12.5⁺⁰.² mm

Documentation & CAD

Files hosted by B&R Industrial Automation; links open the official download page.

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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.