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B&R X20AT2222 Analog Input Module Close-up of terminal blocks; thermocouple connection; cold junction compensation; shielded wiring.
B&R X20AT2222 Temperature Acquisition Module: Thermocouple Temperature Measurement, Industrial Furnace Temperature Control, Process Control Applications

B&R X20AT2222 Analog Input Module

The B&R X20AT2222 is a dedicated analog input module for the B&R X20 system, specifically designed for resistance temperature measurement. Its core function is to convert signals from Pt100 or Pt1000 resistance temperature detectors (RTDs) into digital temperature values that the automation system can process, supporting 2- or 3-wire sensor connections for precise temperature monitoring.

  • Item No :

    X20AT2222

  • Order(MOQ) :

    1

  • Payment :

    EXW

  • Product Origin :

    Austria

  • Shipping Port :

    Wuhan, Hubei, China

  • Lead Time :

    3-5 days

  • Weight :

    0.05kg

  • Product Overview: B&R X20AT2222 Analog Input Module

     

    B&R X20AT2222 is a 2-channel analog input module designed for temperature measurement using RTD sensors in the X20 I/O system. It supports Pt100 and Pt1000 resistance temperature detectors, providing high-accuracy data acquisition for industrial thermal monitoring.

    Brand Name: B&R  

    Model Number: X20AT2222

    Condition: 100% New and Original

    Lead Time: 3-5 Days

    Warranty: 1 Year

     

     

    Key Specifications

    Item Specifications / Features
    Number of Channels 2 inputs for resistance temperature measurement 
    Sensor Types Pt100 or Pt1000 RTDs (configurable per channel) 
    Measurement Range -200 to 850°C for both Pt100 and Pt1000 
    Resolution 16-bit; 1 LSB = 0.1°C 
    System Platform B&R X20 system; requires bus module (e.g., X20BM11) and terminal block (6-pin X20TB06 or 12-pin X20TB12) 
    Connection Type Configurable for 2-wire or 3-wire connections per module 
    Filter Time Configurable between 1 ms and 66.7 ms 
    Diagnostics Module run/error and input status via LED indicators and software 

    Core Features & Advantages

    • High-Precision Temperature Measurement – The module's standout feature is its dedicated design for Pt100/Pt1000 RTD measurement. With 16-bit resolution providing 0.1°C per digit, it delivers accurate temperature readings . The Sigma-delta conversion procedure  combined with an internal linearization method ensures reliable and precise signal processing.

    • Flexible Configuration for Versatile Applications – The X20AT2222 offers configurable 2- or 3-wire connections, allowing adaptation to different installation requirements . Filter times can be adjusted between 1 ms and 66.7 ms to balance response speed and noise suppression , making it suitable for various industrial processes.

    • Robust Design for Harsh Environments – The module provides electrical isolation of 500 Veff between channel and bus, protecting against ground loop interference and noise . It carries a wide range of certifications, including ATEX Zone 2, HazLoc Class I Division 2, and marine approvals from DNV, LR, ABS, and BV, making it suitable for use in hazardous areas and marine applications .

    Typical Applications

    The X20AT2222 is widely used in industrial applications requiring precise temperature monitoring , such as:

    • Process Automation – Temperature control in chemical, pharmaceutical, and food processing plants.

    • Machine Building – Thermal monitoring in plastic processing machinery, drying ovens, and heating/cooling systems.

    • HVAC Systems – Environmental temperature monitoring in building management and cleanrooms.

    Selection Guide

     
     
    Item Description
    Current Product Status The X20AT2222 is a current mainstream temperature measurement module from B&R and remains in normal production and active sales.
    Comparison Within Series • X20AT2222: 2 channels, Pt100/Pt1000, 16-bit resolution
    • X20AT4222: 4-channel version, suitable for applications requiring more temperature points
    • X20AT6402: 6-channel version, ideal for high-density temperature acquisition
    Selection Tips If your project requires measuring 2-wire or 3-wire Pt100/Pt1000 sensors with no more than 2 channels, the X20AT2222 is a cost-effective choice. For 4 or more temperature channels, the X20AT4222 or X20AT6402 is recommended.

    LED Indicator Details

     

     
     
    LED Indicator Color Status Description
    PWR (Power) Green Steady ON = Backplane power supply is normal
    ERR (Error) Red Steady ON = Module critical error; Flashing = Configuration issue; OFF = No error
    CHx (Channel Status) Green / Red Steady Green = Channel operating normally; Red = Channel error (e.g., sensor open-circuit or short-circuit)

     

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