National Instruments PXI User Manual

34 | ni.com | NI 5114 Calibration Procedure
4. Configure the horizontal properties using the niScope Configure Horizontal Timing VI.
5. Configure an edge trigger using the niScope Configure Trigger (poly) VI. Select the Analog
Edge Ref Trigger instance of the VI.
Note The trigger level is set to center the trigger hysteresis window at 0.0 V.
LabVIEW VI C/C++ Function Call
Call niScope_Configure
HorizontalTiming
with the
following parameters:
enforceRealtime:
NISCOPE_VAL_TRUE
numRecords: 50
vi: The instrument handle from
niScope_init
minSampleRate:
250,000,000
refPosition: 50.0
minNumPts: 1,000
LabVIEW VI C/C++ Function Call
Call niScope_Configure
TriggerEdge
with the following
parameters:
triggerCoupling:
NISCOPE_VAL_DC
slope: The Slope value in Table 10
for the current iteration
vi: The instrument handle from
niScope_init
triggerSource: The Trigger Source
value in Table 10 for the current
iteration
level: The Level value in Table 10
for the current iteration
holdoff: 0
delay: 0

National Instruments PXI Specifications

General

Number of Slots	Varies by chassis (4, 8, 18)
Power Supply	Varies by chassis (typically AC or DC input)
Operating System Support	Windows, Linux
Typical Applications	Automated test, data acquisition
Compatibility	PXI
Cooling	Forced air
Operating Temperature	0 °C to 55 °C (Varies by module and chassis)
Relative Humidity	10% to 90% noncondensing (Varies by module and chassis)