IAC

B&R X20AI8039

±10 V 0 to 20 mA / 4 to 20 mA 2- or 3-wire Pt100/Pt1000 resistance temperature measurement ICTD measurement This module is equipped with 8 configurable inputs. The measurement type of each input can be set individually.

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Technical specifications

Short description
I/O module8 configurable inputs: ±10 V, 0 to 20 mA, 4 to 20 mA, Pt100 / Pt1000 resistance temperature measurement or ICTD measurement
Interfaces1x X2X Link
General information
Diagnostics / Module run/errorYes, using LED status indicator and software
Diagnostics / InputsYes, using LED status indicator and software
Power consumption / Bus0.6 W
Power consumption / Internal I/O1.3 W
Certifications / CEYes
Certifications / UKCAYes
Certifications / CRA (Cyber Resilience Act)In preparation
Certifications / ULcULus E115267 Industrial control equipment
B&R ID code0x32A4
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 / Data typeINT
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 / VoltageTyp. 20 GΩ
Input impedance in signal range / Current-
Load / Voltage-
Load / Current<350 Ω
Permissible input signal / VoltageMax. ±32 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 / Gain±0.05%
Max. error / Voltage / Offset±0.005%
Max. error / Current / Gain±0.05%
Max. error / Current / Offset±0.01%
Max. gain drift / Voltage±0.005%/°C
Max. gain drift / Current±0.005%/°C
Max. offset drift / Voltage±0.0001%/°C
Max. offset drift / Current±0.0002%/°C
Common-mode rejection / DC-96 dB
Common-mode rejection / 50 Hz-96 dB
Nonlinearity / Voltage<0.005%
Nonlinearity / Current<0.005%
Input filter / HardwareThird-order low-pass filter / Cutoff frequency 10 kHz
Input filter / SoftwareConfigurable: Sinc 1 to 4 filter or FIR
Input±10 V, 0 to 20 mA, 4 to 20 mA
Input typeDifferential input
Conversion timeConfigurable for each channel
Input protectionProtection against wiring with supply voltage
Conversion procedureSigma-delta
Common-mode range±12 V
Crosstalk between channels<-88 dB
Insulation voltage between channel and bus1210 VDC
Resistance measurement temperature inputs
Sensor / Sensor typeConfigurable per channel
Sensor / Pt100-200 to 850°C
Sensor / Pt1000-200 to 850°C
Max. error at 25°C / GainPt100 and 600 Ω: ±0.15% / Pt1000 and 4800 Ω: ±0.15%
Max. error at 25°C / OffsetPt100 and 600 Ω: ±0.04% / Pt1000 and 4800 Ω: ±0.015%
Temperature sensor resolution / Pt1001 LSB = 0.1 or 0.01°C
Temperature sensor resolution / Pt10001 LSB = 0.1 or 0.01°C
Input filter / HardwareThird-order low-pass filter / Cutoff frequency 10 kHz
Input filter / SoftwareConfigurable: Sinc 1 to 4 filter or FIR
Common-mode rejection / 50 Hz>96 dB
Common-mode rejection / DC>96 dB
Temperature sensor normalization / Pt100INT: -200.0 to 850.0°C DINT: -200.00 to 850.00°C
Temperature sensor normalization / Pt1000INT: -200.0 to 850.0°C DINT: -200.00 to 850.00°C
Temperature measurement monitoring / Range undershoot0x8001
Temperature measurement monitoring / Range overshoot0x7FFF
Temperature measurement monitoring / Open circuit0x7FFF
Temperature measurement monitoring / General fault0x8000
Temperature measurement monitoring / Open inputs0x7FFF
Resistance measurement monitoring / Range overshoot0xFFFF
Resistance measurement monitoring / Open circuit0xFFFF
Resistance measurement monitoring / General fault0xFFFF
Resistance measurement monitoring / Open inputs0xFFFF
InputResistance measurement with constant current supply for 2- or 3-wire connections
Input protectionProtection against wiring with supply voltage
Digital converter resolution16- or 18-bit
Conversion timeConfigurable for each channel
Conversion procedureSigma-delta
Output formatINT/DINT for temperature measurement UINT for resistance measurement
Resistance measurement range0.01 to 600 Ω / 0.1 to 4800 Ω
Resistance measurement resolution600 Ω: 0.01 Ω / 4800 Ω: 0.1 Ω
Sensor standardEN 60751
Insulation voltage between channel and bus1210 VDC
Linearization methodInternal
Measuring current250 µA with Pt100 or 600 Ω 100 µA with Pt1000 or 4800 Ω
Reference5000 Ω ±0.1%
Permissible input signalMax. ±32 V
Max. gain driftPt100 and 600 Ω: ±0.015 %/°C Pt1000 and 4800 Ω: ±0.015 %/°C
Max. offset driftPt100 and 600 Ω: ±0.005 %/°C Pt1000 and 4800 Ω: ±0.0015 %/°C
Nonlinearity<0.005%
Standardized range of values for resistance measurement600 Ω: 0.01 to 600.00 Ω / 4800 Ω: 0.1 to 4800.0 Ω
Crosstalk between channels<-88 dB
ICTD measurement
Output format / Data typeINT
Output format / Temperature sensor1 LSB = 0x0001 = 100 nA
Input filter / HardwareThird-order low-pass filter / Cutoff frequency 10 kHz
Input filter / SoftwareConfigurable: Sinc 1 to 4 filter or FIR
Max. error at 25°C / Gain±0.15%
Max. error at 25°C / Offset±0.5%
Common-mode rejection / DC-96 dB
Common-mode rejection / 50 Hz-96 dB
InputICTD measurement
Type of output5 V power supply output for the ICTD sensor
SensorICTD measuring probe
Digital converter resolution16-bit
Conversion timeConfigurable for each channel
Conversion procedureSigma-delta
Current measurement range233 to 373 µA
Temperature sensor normalization-40.0 to 100.0°C
Input protectionProtection against wiring with supply voltage Exception: Terminal "ICTD x +: 5 V" - see section "Pinout".
Max. gain drift±0.005%/°C
Max. offset drift±0.025%/°C
Crosstalk between channels<-88 dB
Nonlinearity<0.005%
Insulation voltage between channel and bus1210 VDC
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 0.6°C per 100 m
Installation elevation above sea level / Maximum4000 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 / Derating-
Temperature / Storage-40 to 85°C
Temperature / Transport-40 to 85°C
Relative humidity / Operation5 to 95%, non-condensing
Relative humidity / Storage5 to 95%, non-condensing
Relative humidity / Transport5 to 95%, non-condensing
Mechanical properties
Dimensions / Width (pitch)27.5⁺⁰.² mm
Dimensions / Height124 mm
Dimensions / Depth92 mm
NoteOrder terminal blocks separately (see section "Order data").

Documentation & CAD

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

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