Error -1074126845 Max Time Exceeded Using NI Digital Multimeter

Updated Dec 7, 2018

Reported In

Hardware

  • PXI-4065

Driver

  • NI-DMM

Issue Details

When I try and acquire data from my NI digital multimeter (DMM), I receive Error -1074126845: Max Time exceeded before operation completed. How can I fix this?

Solution

Several issues can cause this error.
  • If you are using an niDMM Read VI (Single or Multi Point), ensure you aren't calling the niDMM Initiate VI before the niDMM Read VI. The niDMM Read VI commands both initiate an acquisition and fetch data from the buffer. Adding an extra niDMM Initiate VI before the niDMM Read VI can cause the overall acquisition to slow down.
  • If you have a trigger source configured, make sure DMM is receiving the trigger at the proper time.
  • You may need to set the Maximum Time input on your niDMM Fetch or niDMM Read VI to be longer. By default, the maximum time is set automatically, but may be too short depending on your application.

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