B&R X20AT6402
6 inputs for thermocouples For sensor types J, K, N, S, B, R Additional direct raw value measurement Integrated terminal temperature compensation Configurable filter time Configurable resolution The module is equipped with 6 inputs for J, K, N, S, B and R thermocouple sensors. The module has an integrated terminal temperature compensation.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 6 inputs for thermocouples |
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 | 0.01 W |
| Power consumption / Internal I/O | 0.91 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 | 0x1BA9 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
Thermocouple temperature inputs
| Conversion time / 1 channel | 80.4 ms with 50 Hz filter |
| Conversion time / N channels | (n + 1) x 40.2 ms with 50 Hz filter |
| Measurement range / Sensor temperature / Type J: Fe-CuNi | -210 to 1200°C |
| Measurement range / Sensor temperature / Type K: NiCr-Ni | -270 to 1372°C |
| Measurement range / Sensor temperature / Type N: NiCrSi-NiSi | -270 to 1300°C (Rev. ≥D0) |
| Measurement range / Sensor temperature / Type S: PtRh10-Pt | -50 to 1768°C |
| Measurement range / Sensor temperature / Type B: PtRh30-PtRh6 | 0 to 1820°C |
| Measurement range / Sensor temperature / Type R: PtRh13-Pt | -50 to 1664°C |
| Measurement range / Terminal temperature | -25 to 85°C |
| Measurement range / Raw value | ±65.534 mV |
| Resolution / Sensor temperature | 1 LSB = 0.1°C or 0.01°C |
| Resolution / Terminal temperature | 1 LSB = 0.1°C |
| Resolution / Raw value output with respect to gain | 1 LSB = 1 µV or 2 µV |
| Normalization / Type J: Fe-CuNi | -210.0 to 1200.0°C or -210.00 to 1200.00°C |
| Normalization / Type K: NiCr-Ni | -270.0 to 1372.0°C or -270.00 to 1372.00°C |
| Normalization / Type N (Rev. ≥D0) | -270.0 to 1300.0°C or -270.00 to 1300.00°C |
| Normalization / Type S: PtRh10-Pt | -50.0 to 1768.0°C or -50.00 to 1768.00°C |
| Normalization / Type B: PtRh30-PtRh6 | 0 to 1820.0°C or 0 to 1820.00°C |
| Normalization / Type R: PtRh13-Pt | -50.0 to 1664.0°C or -50.00 to 1664.00°C |
| Normalization / Terminal temperature | -25.0 to 85.0°C or -25.00 to 85.00°C |
| Monitoring / Range undershoot | 0x8001 |
| Monitoring / Range overshoot | 0x7FFF |
| Monitoring / Open circuit | 0x7FFF |
| Monitoring / Open inputs | 0x7FFF |
| Monitoring / General fault | 0x8000 |
| Max. error at 25°C / Offset / Type J: Fe-CuNi | ±0.04% |
| Max. error at 25°C / Offset / Type K: NiCr-Ni | ±0.05% |
| Max. error at 25°C / Offset / Type N (Rev. ≥D0) | ±0.05% |
| Max. error at 25°C / Offset / Type S: PtRh10-Pt | ±0.11% |
| Max. error at 25°C / Offset / Type B: PtRh30-PtRh6 | ±0.13% |
| Max. error at 25°C / Offset / Type R: PtRh13-Pt | ±0.09% |
| Max. error at 25°C / Gain | ±0.06% |
| Max. offset drift / Type J: Fe-CuNi | ±0.0019%/°C |
| Max. offset drift / Type K: NiCr-Ni | ±0.0024%/°C |
| Max. offset drift / Type N (Rev. ≥D0) | ±0.0029%/°C |
| Max. offset drift / Type S: PtRh10-Pt | ±0.0079%/°C |
| Max. offset drift / Type B: PtRh30-PtRh6 | ±0.0114%/°C |
| Max. offset drift / Type R: PtRh13-Pt | ±0.0074%/°C |
| Common-mode rejection / DC | >70 dB |
| Common-mode rejection / 50 Hz | >70 dB |
| Insulation voltage / Between channel and bus | 500 Veff |
| Terminal temperature compensation precision / With artificial convection | ±4°C after 10 min |
| Terminal temperature compensation precision / With natural convection | ±2°C after 10 min |
| Input | Thermocouple |
| Digital converter resolution | 16-bit |
| Filter time | Configurable between 1 ms and 66.7 ms |
| Output format | INT |
| Terminal temperature compensation | Internal |
| Sensor standard | EN 60584 |
| Conversion procedure | Sigma-delta |
| Linearization method | Internal |
| Permissible input signal | Max. ±5 V |
| Input filter | First-order low-pass filter / cutoff frequency 500 Hz |
| Max. gain drift | ±0.01%/°C |
| Nonlinearity | ±0.001% |
| Common-mode range | ±15 V |
| 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 | 0 to 55°C |
| Temperature / Operation / Vertical mounting orientation | 0 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
- Compass Safe Distance 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)
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.