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      X20AI2437

      Analog Input Module
      Ships by Thursday, November 12
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      B&R X20AI2437 acquires two isolated current inputs with individual sensor supplies and NetTime measurement timestamps.
      • Manufacturer part number
        X20AI2437
      • Shipping
        Swift global dispatch
      • Condition
        New, original product
      • Shipping size (est.)
        9.7cm x 5.8cm x 1.1cm
      • Country of Origin
        Austria

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      What happens after you enquire

      • 0

        Review your reference

        Send the complete B&R X20AI2437 reference, label photographs and required quantity. Include the installed rack/bus arrangement and actual hardware revision.

      • 1

        Confirm the offer

        Review the offered revision, condition, included items and documents against the confirmed installation.

      • 2

        Arrange dispatch

        Confirm quantity, dispatch date, lead-time start and delivery details in the quotation.

      • Match the complete marking

        Include the complete B&R X20AI2437 marking and any hardware revision on the item. Include the installed rack/bus arrangement and actual hardware revision.

      • Check the offered item before ordering

        Request available label and connector photos. Have your maintenance team compare the offered X20AI2437 with the installed equipment and applicable B&R documentation.

      Technical specifications for X20AI2437

      • Manufacturer:
        B&R
      • Product Category:
        PLC Systems
      • Spare Part Number:
        X20AI2437
      • Weight:
        0.02 kg
      • Tariff Code:
        8537101190
      • Input channels:
        2
      • Current ranges:
        4-20 mA or0-25 mA
      • Converter:
        16-bit sigma-delta
      • Data output rate:
        4.7-960 samples/s; configurable
      • Sensor supply:
        25 V +/-2%; per channel
      • Sensor output current:
        30 mA maximum
      • Common-mode range:
        0-7 V
      • Hardware input filter:
        2.5 kHz low-pass
      • Software filter:
        Sinc 4
      • Isolation test:
        1000 VAC channel/channel,bus,ground
      • Timestamp:
        NetTime; microsecond accuracy
      • Internal I/O power:
        1.15 W excluding sensor output
      View as PDF Ask for Quote

      Information

      Overview Downloads Applications / Compatibility Product Precautions
      • B&R X20AI2437 connects its configured field signals and diagnostic states to the automation task. Correct operation depends on retaining the installed hardware selection and the application settings together.
      Input channels: 2
      Current ranges: 4-20 mA or0-25 mA
      Converter: 16-bit sigma-delta
      Each differential current input has its own sensor power supply. The two channels and their supplies are isolated from each other, while each supply remains referenced to its own channel. Measurement range is selectable between 4-20 mA and 0-25 mA.

      The 16-bit sigma-delta conversion rate and filter time are configurable per channel. Data output rates extend from 4.7 to 960 samples per second. NetTime associates a timestamp with the recorded measurement so the control application can distinguish value magnitude from acquisition time.

      Monitoring covers upper and lower limits, open circuit, conversion errors and sensor-supply state. User-defined limits and replacement values support the required error response. Sensor power is nominal 25 V within+/-2%, with a maximum 30 mA per channel; sustained short-circuit protection uses current limiting.
      Controller platform reference: B&R X20 isolated current measurement. Retain the installed hardware and application configuration.
      The original technical excerpt for B&R X20AI2437 covers identity, interface limits and configuration behavior. The separate installation guide covers configuration retention, reconnection, functional tests and diagnostic recovery.
      Original manufacturer pages retain their technical context. Use the Apter Power guide with the applicable manufacturer instructions and approved installation design.
      System and supply context: X20AI2437 operates within its compatible B&R rack or X20 arrangement. Storage, bus modules, terminal blocks and field devices are separate unless included in the quotation.

      Application scope: Apply the exact hardware and software configuration to the assigned machine function. A similar connector or base family is insufficient to establish replacement compatibility.
      Prepare B&R X20AI2437 for its configured installation using these checks.
      Capture both channel configurations

      Record range, conversion rate, filter, user limits and substitute-value settings separately for each input. Retain the application use of NetTime timestamps.

      Protect the process during exchange

      Place the affected analog loops in their approved maintenance state. Prevent an open-circuit or replacement value from driving an unintended control response.

      Check sensor load and references

      Confirm sensor demand is within 30 mA per channel and the current-input common-mode condition remains within 0-7 V. Inspect for shorts or reversed wiring.

      Restore terminal assignments

      Fit the X20TB12 terminal block and matching bus arrangement. Reconnect each current loop and sensor feed to the retained channel assignment.

      Test with known loop currents

      Apply approved current references in the configured 4-20 mA or0-25 mA range. Compare measured values and application scaling independently for both channels.

      Resolve any conversion disagreement

      Use module and channel status to separate a conversion error from supply overload or a field-circuit fault. Correct the cause before enabling the loop.

      Alternative Names

      B&R X20AI2437

      Technical notes

      Isolated sensor loops: Keep each sensor supply associated with its own input channel. Channel-to-channel isolation does not mean the supply is isolated from its corresponding measurement circuit.

      Timestamped measurement: Use the NetTime information with the acquired value when correlating signals. Validate the configured filter and conversion rate alongside the timing relationship.

      FAQ View All FAQ

      • Can the inputs of X20AI2437 use different conversion settings?
        Yes. Sampling/conversion timing and filtering are configurable individually for each channel.
      • What additional information accompanies measurements from X20AI2437 through NetTime?
        NetTime provides a timestamp with microsecond accuracy for the recorded measurement. It identifies acquisition time in addition to the current value.
      • How are the sensor supplies of X20AI2437 isolated?
        The two sensor supplies are isolated from each other. Each supply is associated with its own input channel and is not isolated from that channel.
      • What current can a sensor draw from X20AI2437?
        The nominal 25 V sensor supply supports a maximum 30 mA per channel, with continuous short-circuit protection by current limiting.
      • Does X20AI2437 accept a 25 mA signal only as an overload?
        No.0-25 mA is a selectable measurement range. Use the range and numerical scaling configured for the channel.
      • What distinguishes an input conversion error on X20AI2437?
        The affected channel indicator double-flashes together with a single flash of the red module error indicator. Interpret the diagnostic status with the measured value.
      • How does X20AI2437 handle a user-defined range violation?
        It can report limit status and output configured replacement values. The application must use the configured error behavior rather than treating a replacement value as a valid measurement.
      • What common-mode range must be respected at X20AI2437?
        The specified common-mode range is 0-7 V. Galvanic channel isolation does not waive this input condition.
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