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Short description
I/O module 4 inputs for NTC (10 kΩ) resistance temperature measurement
General information
B&R ID code 0xEA85
Status indicators I/O function per channel, operating state, module status
Module run/error Yes, using status LED and software
Inputs Yes, using status LED and software
Cable specification
Cable type Shielded twisted pair cable
Line capacitance Max. 1 nF
Power consumption
Bus 0.01 W
Internal I/O 0.72 W
Additional power dissipation caused by actuators (resistive) [W] -
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
Resistance measurement temperature inputs
Input Resistance measurement with constant current supply for 2-wire connections
Digital converter resolution 16-bit
Filter time Configurable between 16.7 and 66.7 ms
Conversion time
1 channel 20 ms with 50 Hz filter
2 - 4 channels 40 ms per channel with 50 Hz filter
Conversion procedure Sigma-delta
Output format INT or UINT for resistance measurement
Sensor type Configurable per channel
NTC10K type 1 Vishay: NTCLE100E3103GB0, B25/85 = 3977
NTC10K type 2 Vishay: NTCLE413E2103F400L, B25/85 = 3435
Temperature measurement range -30 to 100°C for NTC with 10 kΩ
Resistance measurement range 0 to 200 kΩ
Temperature sensor resolution 1 LSB = 0.1°C for NTC with 10 kΩ
Resistance measurement resolution 5 Ω
Input filter 1st-order low pass / cutoff frequency 1.35 kHz
Isolation voltage between channel and bus 500 Veff
Linearization method Internal
Measurement current 9.1 µA ±1.5%
Reference 103,125 Ω ±0.1%
Permissible input signal Short-term max. ±30 V
Max. error at 25°C
Gain 0.35%
Offset 0.004%
Max. gain drift 0.006 %/°C
Max. offset drift 0.00009 %/°C
Nonlinearity <0.15%
Standardized range of values for resistance measurement 0 to 200,000 Ω
Crosstalk between channels <-70 dB
Temperature sensor normalization
NTC10K type 1 -30.0 to 100.0°C
NTC10K type 2 -30.0 to 100.0°C
Temperature measurement monitoring
Range undershoot 0x8001
Range overshoot 0x7FFF
Open circuit 0x7FFF
General fault 0x8000
Open inputs 0x7FFF
Resistance measurement monitoring
Range overshoot 0xFFFF
Open circuit 0xFFFF
General fault 0xFFFF
Open inputs 0xFFFF
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
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 X20TB12 terminal block separately
Order 1x X20BM11 bus module separately
Pitch 12.5+0.2 mm
Material number:
  • 4 inputs for resistance temperature measurement
  • For NTC resistance type 10 kΩ
  • Resistance measurement 0 to 200 kΩ
  • Configurable measurement type per channel
  • 2-wire measurement
  • Configurable filter time

This module is equipped with 4 inputs for NTC resistance temperature measurement (10 kΩ at 25°C). In addition, this module can measure resistance from 0 to 200 kΩ.

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
X20TB12 X20 terminal block, 12-pin, 24 VDC keyed
Automation Studio HW Upgrades Version (Date) Download
V3.0 HW Upgrade (X20AT4232) EXE / 1 MB
V4.0 HW Upgrade (X20AT4232) EXE / 632 KB
Documentation Version (Date) Download
Data sheet X20AT4232 PDF / 202 KB
X20 System User´s Manual PDF / 56 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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