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NI 5450 Calibration Procedure
26
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11. Configure the common vertical properties using the niScope Configure
Vertical VI.
12. Commit all the parameter settings to hardware using the niScope
Commit VI.
13. With the calibrator, output the
Negative Offset
voltage listed in Table 9
for the current iteration, with a 1 M
Ω
load impedance.
14. Wait 2,500 ms for the impedance matching of the calibrator to settle.
15. Initiate a waveform acquisition using the niScope Initiate
Acquisition VI.
16. Fetch a waveform from the digitizer and perform a voltage average
measurement using the niScope Fetch Measurement (poly) VI. Select
LabVIEW VI
C/C++ Function Call
Call
niScope_ConfigureVertical
with
the following parameters:
vi
: The instrument handle from
niScope_init
coupling
:
NISCOPE_VAL_DC
probeAttenuation
:
1.0
channelList
:
"0"
range
: The
Range
value listed in Table 9 for
the current iteration
offset
: The
Negative Offset
value listed in
Table 9 for the current iteration
enabled
:
NISCOPE_VAL_TRUE
LabVIEW VI
C/C++ Function Call
Call
niScope_Commit
with the
following parameter:
vi
: The instrument handle from
niScope_init
LabVIEW VI
C/C++ Function Call
Call
niScope_InitiateAcquisition
with the following parameter:
vi
: The instrument handle from
niScope_init