B&R X20AT2311
2 inputs for resistance temperature measurement PT100 sensor Direct resistance measurement 4-wire measurement Configurable filter time The module is equipped with 2 inputs for PT100 4-line resistance temperature measurement.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 2 inputs for PT100 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 |
| Power consumption / Bus | 0.35 W |
| Power consumption / Internal I/O | 0.85 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 |
| Certifications / DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| Certifications / CCS | Yes |
| Certifications / LR | ENV1 |
| Certifications / KR | Yes |
| Certifications / ABS | Yes |
| Certifications / BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
| Certifications / KC | Yes |
| B&R ID code | 0xA4AA |
| 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 / 1000 Hz filter | 1 ms for all inputs |
| Conversion time / 50 Hz filter | 20 ms for all inputs |
| Max. error at 25°C / Gain | ±0.0059% |
| Max. error at 25°C / Offset | ±0.0015% |
| Temperature measurement monitoring / Range undershoot | 0x80000001 |
| Temperature measurement monitoring / Range overshoot | 0x7FFFFFFF |
| Temperature measurement monitoring / Open circuit | 0x7FFFFFFF |
| Temperature measurement monitoring / General fault | 0x80000000 |
| Temperature measurement monitoring / Open inputs | 0x7FFFFFFF |
| Resistance measurement monitoring / Range undershoot | 0x80000001 |
| Resistance measurement monitoring / Range overshoot | 0xFFFFFFFF |
| Resistance measurement monitoring / Open circuit | 0xFFFFFFFF |
| Resistance measurement monitoring / General fault | 0x80000000 |
| Input | Resistance measurement with constant current supply for 4-wire connections |
| Digital converter resolution | 24-bit |
| Filter time | Configurable between 1 ms and 400 ms |
| Conversion procedure | Sigma-delta |
| Output format | DINT or UDINT for resistance measurement |
| Temperature measurement range | -200 to 850°C |
| Resistance measurement range | 0.5 to 390 Ω |
| Temperature sensor resolution | 1 LSB = 0.001°C |
| Resistance measurement resolution | 0.001 Ω |
| Input filter | First-order low-pass filter / cutoff frequency 1050 Hz |
| Sensor standard | EN 60751 |
| Insulation voltage between channel and bus | 500 Veff |
| Insulation voltage between channel and channel | 500 Veff |
| Linearization method | Internal |
| Measuring current | 1 mA |
| Temperature sensor normalization | -200.0 to 850.0°C |
| Reference | 1568 Ω ±0.1% |
| Permissible input signal | Short-term max. 28.8 V |
| Max. gain drift | ±0.00065%/°C |
| Max. offset drift | ±0.000025%/°C |
| Nonlinearity | <0.001% |
| Standardized range of values for resistance measurement | 0.5 Ω to 390 Ω |
Electrical properties
| Electrical isolation | Channel isolated from channel and bus |
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
Certificates
- 2226379 CSA Certificate of Compliance X20 X67
- 64331_A1 BV Certificate of Compliance X20
- 64331_A1 BV Certificate of Compliance X20(de)
- ABS Certificate of Product Design Assessment - X20 IO Series
- CCS Type Approval Certificate - X20
- E115267 UL Certificate of Compliance X20
- EU Data Act - X20 IO - Connected Product Information Notice
- EU Declaration ATEX X20
- EU Declaration of conformity PLC X20
- FTZU 09 ATEX 0083X
- KR Type Approval Certificate MIL39390-AC003 (X20 System)
- Lloyds Register (X20 only)
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.