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Mounting the cRIO-905x

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    Last Modified: October 29, 2018

    To obtain the maximum ambient temperature, you must mount the cRIO-905x in the reference mounting configuration shown in the following image. Mounting the cRIO-905x in the reference mounting configuration ensures that your system will operate correctly across the full operating temperature range and provide optimal C Series module accuracy. Observe the following guidelines to mount the cRIO-905x in the reference mounting configuration.

    Figure 1. System Mounting Configuration
    Vertical mounting orientation.
    Mounting substrate options:
    • Mount the cRIO-905x directly to a metallic surface that is at least 1.6 mm (0.062 in.) thick and extends a minimum of 101.6 mm (4 in.) beyond all edges of the device.
    • Use the NI Panel Mounting Kit to mount the cRIO-905x to a metallic surface that is at least 1.6 mm (0.062 in.) thick and extends a minimum of 101.6 mm (4 in.) beyond all edges of the device.
    Observe the minimum spacing dimensions in Mounting Requirements for the cRIO-905x.
    Allow space for cabling clearance according to Mounting Requirements for the cRIO-905x.
    spd-note-tip
    Tip  

    Before mounting the controller, record the serial number from the side of the cRIO-905x so that you can identify the cRIO-905x in MAX. You will be unable to read the serial number after you mount the controller.

    Alternate Mounting Configurations

    The maximum operating temperature may be reduced for any mounting configuration other than the reference mounting configuration. A 10 °C (18 °F) reduction in maximum operating temperature is sufficient for most alternate mounting configurations. Follow the guidelines above for all mounting configurations. The published accuracy specifications, although not guaranteed for alternate mounting configurations, may be met depending on the system power and the thermal performance of the alternate mounting configuration. Contact NI for further details regarding the impact of common alternate mounting configurations on maximum operating temperature and module accuracy.

    Contact NI for further details regarding the system impact of common alternative mounting configurations.


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