NI-9477 C Series Module Reset or Power Cycles

Updated Oct 25, 2018

Reported In


  • NI-9477
  • CompactDAQ Chassis
  • CompactRIO Chassis


  • NI-DAQmx

Issue Details

What conditions would cause my NI 9477 to be reset or power cycled?


NI-9477 Reset Conditions in a cDAQ Chassis:
  • USB Connection to the host computer
  • Disconnecting USB connection from the host
  • cDAQ Chassis Reset
  • Powering on host computer while USB cDAQ Chassis is connected
  • Applying power to a cDAQ Chassis that is connected to a host computer
  • Removing power from a cDAQ chassis
  • Reserving network cDAQ 
  • Powering a network cDAQ chassis while it is reserved by the host

NI-9477 Reset Conditions in a cRIO Chassis: