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      X20BB22

      Compact CPU Base
      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 X20BB22 is the backplane base for X20 Compact CPUs and their compact power supply module, incorporating the connection for the integrated RS232 interface.
      • Manufacturer part number
        X20BB22
      • Shipping
        Swift global dispatch
      • Condition
        New, original product
      • Shipping size (est.)
        10.3cm x 3.9cm x 5.2cm
      • Country of Origin
        Austria

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      What happens after you enquire

      • 0

        Review your reference

        Send the complete B&R X20BB22 reference, label photographs and quantity. Include the existing base function arrangement.

      • 1

        Confirm the offer

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

      • 2

        Arrange dispatch

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

      • Match the complete marking

        Match the complete B&R X20BB22 marking, hardware revision and selected configuration to the installed position. Check base function and serial connection against the installed configuration.

      • Check the offered item before ordering

        Request label and connection photographs. Have your maintenance team compare the offered X20BB22 with the installed equipment and applicable B&R instructions.

      Technical specifications for X20BB22

      • Manufacturer:
        B&R
      • Product Category:
        PLC Systems
      • Spare Part Number:
        X20BB22
      • Weight:
        0.04 kg
      • Tariff Code:
        8537101190
      • Base function:
        X20 Compact CPU and compact CPU supply module
      • Serial connection:
        1 x RS232
      • Nominal I/O supply:
        24 V DC
      • Permissible contact load:
        10 A
      • Bus power consumption:
        0.32 W
      • RS232 isolation:
        Bus not isolated from RS232
      • Protection degree:
        IP20
      • Horizontal operating temperature:
        -25 to 60°C
      • Vertical operating temperature:
        -25 to 50°C
      • Altitude derating above 2000 m:
        0.5°C per 100 m
      • Storage temperature:
        -40 to 85°C
      • Operating humidity:
        5 to 95%, non-condensing
      View as PDF Ask for Quote

      Information

      Overview Downloads Applications / Compatibility Product Precautions
      • B&R X20BB22 provides the mechanical and electrical base of a compact X20 controller assembly, including its supply routing and serial-interface connection.
      Base function: X20 Compact CPU and compact CPU supply module
      Serial connection: 1 x RS232
      Nominal I/O supply: 24 V DC
      The base accommodates an X20 Compact CPU and its compact CPU power supply module. Left and right X20 locking plates are included. The base provides connection infrastructure; processor and supply functions belong to the associated modules.

      Nominal I/O supply voltage is 24 V DC, with a permissible contact load of 10 A. Bus power consumption is 0.32 W. The bus is not electrically isolated from the RS232 connection, so serial-device reference potentials require consideration.

      Horizontal installation permits -25 to 60°C operation; vertical installation permits -25 to 50°C. Above 2000 m, reduce the ambient temperature limit by 0.5°C per additional 100 m. The IP20 base requires a suitable protected installation environment.
      Controller platform reference: B&R Compact CPU Base. Use the applicable installation instructions.
      Original B&R technical material applicable to X20BB22, covering function, interfaces and operating limits. Installation topics include: assembly checks, i/o routing checks, serial connection checks.
      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: The compact cpu base is applied in the Compact supply / X20BB22 base / Compact CPU / RS232 equipment arrangement. Select associated equipment for the actual channel or installation.

      Application scope: The technical values apply to this model in the specified installation and configuration. The examples below address the stated product function.
      Prepare B&R X20BB22 for its configured installation using these checks.
      Identify the compact CPU assembly

      Record the CPU and compact supply module mounted on the base.

      Retain both end locking plates

      Check the left and right X20 locking plates before dismantling the assembly.

      Isolate the routed 24 V supply

      Remove power through the approved cabinet isolation procedure before moving modules.

      Check the contact-current budget

      Compare the connected supply loading with the 10 A permissible contact load.

      Review serial reference potentials

      The bus is not isolated from RS232.

      Inspect the serial connector path

      Examine the RS232 connection and mating cable for bent contacts or mechanical strain.

      Alternative Names

      B&R X20BB22

      Technical notes

      Retain both end locking plates: Check the left and right X20 locking plates before dismantling the assembly. Restore the mechanical restraint and module engagement so the controller and supply module remain properly seated on the base.

      Review serial reference potentials: The bus is not isolated from RS232. Check the reference potential of the connected serial equipment and preserve the established grounding arrangement before reconnecting the cable to the replacement assembly.

      Verify the restored controller station: Check module seating, supply status and the configured RS232 exchange after controlled energization. Retain the CPU and supply identities, mounting orientation and any altitude correction with the final service record.

      FAQ View All FAQ

      • Does X20BB22 contain the controller CPU itself?
        No. It is the base for an X20 Compact CPU and compact CPU power supply module; the processor and supply modules are separate functional components.
      • Which serial connection is provided by X20BB22?
        The base provides the connection for the compact CPU's integrated RS232 interface.
      • Is the RS232 connection on X20BB22 isolated from the bus?
        No. The bus is not isolated from RS232, so connected-device reference potentials must be considered.
      • How much current may pass through the supply contacts of X20BB22?
        The permissible contact load is 10 A at the nominal 24 V DC I/O supply. The associated power and protection arrangement must respect this limit.
      • Why does mounting orientation affect the temperature limit of X20BB22?
        Its permitted ambient range is -25 to 60°C horizontally and -25 to 50°C vertically; the selected orientation determines the applicable thermal limit.
      • What altitude correction applies to X20BB22 above 2000 m?
        Reduce the permissible ambient temperature by 0.5°C for each additional 100 m above 2000 m.
      • Are the end locking plates included with X20BB22?
        Yes. Left and right X20 locking plates X20AC0SL1 and X20AC0SR1 are included with the base.
      • Can X20BB22 be exposed to condensing humidity?
        No. The specified operating humidity is 5 to 95%, non-condensing, and the protection degree is IP20.
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