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X20AT6402

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B&R X20AT6402 is a six-channel thermocouple input module for J, K, N, S, B, and R sensors with internal terminal-temperature compensation for the X20 System.
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Technical specifications for X20AT6402

  • Manufacturer:
    B&R
  • Part Number:
    X20AT6402
  • Product Family:
    B&R X20 System
  • Product Type:
    Thermocouple Input Module
  • Stock:
    1
  • Temperature inputs:
    6 thermocouple inputs
  • Sensor types:
    J, K, N, S, B, and R
  • Type N condition:
    Hardware revision D0 or later
  • Temperature resolution:
    0.1 °C or 0.01 °C
  • Digital converter resolution:
    16-bit
  • Filter time:
    Configurable from 1 to 66.7 ms
  • Terminal temperature compensation:
    Integrated
  • Raw-value range:
    ±65.534 mV
  • Raw-value resolution:
    1 µV or 2 µV per LSB, depending on gain
  • Open-circuit value:
    0x7FFF
  • Permissible input signal:
    Maximum ±5 V
  • Common-mode range:
    ±15 V
  • Required terminal block:
    X20TB12, ordered separately
  • Compatible bus modules:
    X20BM11 or X20BM15, ordered separately
  • Degree of protection:
    IP20
  • Operating temperature:
    0 to 55 °C horizontal; 0 to 50 °C vertical
  • Dimensions:
    1.25 × 5.3 × 9.8 cm
  • Tariff Code:
    8538900000
  • Country of origin:
    Germany
  • Place of shipment:
    ​Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Sensor Setup Diagnostics Filtering Application
  • Accepts six J, K, N, S, B, or R thermocouple channels
  • Includes integrated terminal-temperature compensation and direct raw-value measurement
  • Provides configurable filtering, selectable resolution, and explicit fault values

X20AT6402 is a B&R thermocouple input module designed for X20 System I/O stations.

The module converts thermocouple or raw millivolt signals into controller values while monitoring range, open-circuit, and general-fault conditions.

Before installation or replacement, verify the complete material number, sensor type, the revision condition for type N, thermocouple polarity, cold-junction conditions, filter and resolution settings, X20TB12, X20BM11 or X20BM15, and project scaling.

Availability, condition, price, and shipping time for X20AT6402 are confirmed during quotation.

B&R X20AT6402 Thermocouple Input Module Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Sensor type is configured to match the connected thermocouple alloy
  • Type N measurement is supported only on hardware revision D0 or later
  • Thermocouple polarity and terminal-temperature conditions affect valid measurements
  • An open input is reported with the documented 0x7FFF value
  • Range undershoot, range overshoot, and general faults use distinct digital values
  • Channel and module indicators support commissioning and fault localization
  • Filter time is configurable between 1 and 66.7 milliseconds
  • Resolution can be selected between 0.1 and 0.01 degree Celsius
  • Conversion time changes with enabled-channel count and the selected 50 hertz filter behavior
  • Multi-channel thermocouple temperature acquisition in X20 control stations
  • High-temperature process monitoring using J, K, N, S, B, or R sensors
  • Direct low-level millivolt measurement in distributed I/O systems
Description
X20AT6402 is a B&R thermocouple input module for the X20 System distributed I/O platform.

It acquires six thermocouple channels with 16-bit sigma-delta conversion, configurable filtering and resolution, direct raw-value measurement, and integrated terminal-temperature compensation.

Before installation or replacement, confirm the complete material number, sensor type, the revision condition for type N, thermocouple polarity, cold-junction conditions, filter and resolution settings, X20TB12, X20BM11 or X20BM15, and project scaling.
Alternative Names
X20AT6402 X20 AT 6402 X20-AT6402 B&R X20AT6402 BR X20AT6402 B&R X20 AT 6402 X20 System X20AT6402
Technical notes
X20AT6402 supports six thermocouple channels, but type N requires hardware revision D0 or later; verify sensor alloy, polarity, compensation conditions, filter and resolution settings, X20TB12, and the saved Automation Studio configuration.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can B&R X20AT6402 use different thermocouple types in one station?
Yes, configure each connected channel for its documented sensor type and verify the wiring, polarity, compensation conditions, and project scaling.
Why must the hardware revision of B&R X20AT6402 be checked for type N sensors?
B&R specifies type N support for hardware revision D0 or later, so the installed hardware must be identified before assigning a type N channel.
How should a broken thermocouple be handled on B&R X20AT6402?
Use the documented open-circuit status value in the controller logic and distinguish it from a valid high-end temperature reading.
What causes unstable readings on B&R X20AT6402?
Incorrect thermocouple polarity, unsuitable cable, poor shielding, ground potential, airflow around the terminal compensation point, or insufficient filtering can destabilize readings.
How should filter time be selected on B&R X20AT6402?
Balance noise rejection against the required response time, then validate the enabled-channel count and conversion timing in the actual process.
Which accessories are required for B&R X20AT6402?
Order an X20TB12 terminal block and a compatible X20BM11 or X20BM15 bus module separately from the electronic module.
What should be saved before replacing B&R X20AT6402?
Record channel sensor types, hardware revision, polarity, raw-value mode, resolution, filter time, fault handling, terminal mapping, and Automation Studio configuration.