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Document Type: Example Program
NI Supported: Yes
Publish Date: Aug 20, 2007

Programmatically Determine the Usage of Backup Power on a cRIO-900x Controllers

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Filename: crio_read_power_source.zip
Requirements: View

The cRIO controllers will automatically switch to whichever power input has the higher voltage. This VI will detect which of the two power sources are being used at the time. You will also notice that the backup LED on the cRIO controller lighting up when the controller is drawing power from the secondary source. This VI was written specifically for cRIO-900x Controllers.  Please contact National Instruments Support for reading the power source for cRIO-901x Controllers.

Requirements


Filename: crio_read_power_source.zip

Software Requirements


Application Software: LabVIEW Full Development System 7.1.1
Toolkits and Add-Ons: LabVIEW Real-Time Module 7.1
Language(s): LabVIEW

Hardware Requirements


Hardware Group: CompactRIO
Hardware Model: cRIO-9004, cRIO-9002

 
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).