Always record some channels and record selected channels on trigger

Teodor Hamnholm Löfgren

Posted on 10.03.2017 09:23


Im using a dewe43 to record sound, vibrations, RPM, temperature, pressure and torque in a brake dynamometer.

Is there any way of recording some of the channels throughout an entire test and a few selected channels when triggered?

The problem is that I sample some channels at 20 Hz and some at 50 kHz. I would like to store the low sample rate channels during an entire test, but the high frequency channels only when triggered. Is this possible?

DEWESoft Support
Technical support
Posted on 13.03.2017 16:24


in the attachment is an example setup for the application you would like to do.

1. Select the measurement type to fast on trigger slow otherwise and set up the .
2. Apply the sample rate divider to all the channels which needs to be stored slow only (picture attached).

The setup file will store all channels slowly, but when the trigger will come, the fast channels will be stored with the dynamic acquisition rate (50 kHz).

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