B&R X20AT4232
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.
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Technical specifications
Short description
| I/O module | 4 inputs for NTC (10 kΩ) resistance temperature measurement |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Inputs | Yes, using LED status indicator and software |
| Cable specification / Cable type | Shielded twisted pair cable |
| Cable specification / Line capacitance | Max. 1 nF |
| Power consumption / Bus | 0.01 W |
| Power consumption / Internal I/O | 0.72 W |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| Certifications / ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| Certifications / UL | cULus E115267 Industrial control equipment |
| Certifications / HazLoc | cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| B&R ID code | 0xEA85 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
Resistance measurement temperature inputs
| Conversion time / 1 channel | 20 ms with 50 Hz filter |
| Conversion time / 2 - 4 channels | 40 ms per channel with 50 Hz filter |
| Sensor / Sensor type | Configurable per channel |
| Sensor / NTC10K type 1 | Vishay: NTCLE100E3103GB0, B25/85 = 3977 |
| Sensor / NTC10K type 2 | Vishay: NTCLE413E2103F400L, B25/85 = 3435 |
| Max. error at 25°C / Gain | ±0.35% |
| Max. error at 25°C / Offset | ±0.004% |
| Temperature sensor normalization / NTC10K type 1 | -30.0 to 100.0°C |
| Temperature sensor normalization / NTC10K type 2 | -30.0 to 100.0°C |
| Temperature measurement monitoring / Range undershoot | 0x8001 |
| Temperature measurement monitoring / Range overshoot | 0x7FFF |
| Temperature measurement monitoring / Open circuit | 0x7FFF |
| Temperature measurement monitoring / General fault | 0x8000 |
| Temperature measurement monitoring / Open inputs | 0x7FFF |
| Resistance measurement monitoring / Range overshoot | 0xFFFF |
| Resistance measurement monitoring / Open circuit | 0xFFFF |
| Resistance measurement monitoring / General fault | 0xFFFF |
| Resistance measurement monitoring / Open inputs | 0xFFFF |
| 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 procedure | Sigma-delta |
| Output format | INT or UINT for resistance measurement |
| 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 | First-order low-pass filter / cutoff frequency 1.35 kHz |
| Insulation voltage between channel and bus | 500 Veff |
| Linearization method | Internal |
| Measuring current | 9.1 µA ±1.5% |
| Reference | 103,125 Ω ±0.1% |
| Permissible input signal | Short-term max. ±30 V |
| 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 |
Electrical properties
| Electrical isolation | Channel isolated from bus Channel not isolated from channel |
Operating conditions
| Mounting orientation / Horizontal | Yes |
| Mounting orientation / Vertical | Yes |
| Installation elevation above sea level / 0 to 2000 m | No limitation |
| Installation elevation above sea level / >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 |
| 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 / Operation | 5 to 95%, non-condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5⁺⁰.² mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Manuals
ECAD / EPLAN
Get a quote for a replacement
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.