Specifications

Using the DMM and ARB 81Chapter 4
How to download custom waveforms is shown in testplan
‘
arbcustom_user.tpa’. A review of the testplan is as follows:
Test Group/Test/Action Name Description
testgroup download custom waveform Downloads user generated custom waveforms.
Switching Connect Arb channel 1 output to ABus1 and UUT Common.
test setup Arb Setup arb output circuitry.
arbConfOutControls Configures Arb’s output circuitry.
arbSet Sends setup data to Arb.
test download custom waveforms Downloads the custom waveforms to Arb.
Arb_Dl_Custom_Waveform Downloads two ramps (one positive the other negative going) to the Arb to
output a triangle waveform.
The number of segments is 20 for each waveform.
The waveforms require 2 sequences.
The ‘segment_dwell’ is set to 49 for both waveforms to output at 250 Hz.
test execute waveforms Executes custom waveforms.
arbInitiate Initialize the Arb to output the waveforms. Start outputting the waveform.
Arb_Select_Wave_By_Name Selects and outputs the waveform using the name entered in the
‘waveform_name’ parameter (i.e., “wave1”) This is the same name as the
name in the ‘waveform_name’ parameter of the
“Arb_Dl_Custom_Waveform” action.
DialogOkay This optional action is used here to view waveform.
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