Front Panel Features

The NI PXIe-8840 Quad-Core has the following front-panel features:

• A controller reset push button (press the button to generate a reset to the controller)
• Two front panel LEDs that show PC status:
  • DRIVE LED— Indicates when an access to the internal hard disk is occurring.
  • PWR OK/FAULT LED—Indicates the controller status. The LED indicates one of the following states:
    • Green ON steady—PXI and onboard power is on and within regulation limits.
    • Green BLINKING—One of the onboard power supplies is operating outside the normal limits or the system power supply is out of regulation.
    • Green FADING—The controller has entered the standby (S3) state.
    • OFF—The controller is powered off.
    • Red BLINKING—The controller detected a power rail fault when trying to boot.
    • Red SOLID—The controller detected a thermal fault and has shut down to protect the system.
  • USER LEDs — Two bi-color green/yellow LEDs (USER1 and USER2) that you can define to meet the needs of your LabVIEW application.