A
B
Make sure your PC,
NI ELVIS II, and QNET
board are powered ON.
Open the
Quick Start
folder from the
HVAC
folder in the QNET
Resources. The QNET Resources are available for download from
www.ni.com/qnets.
G
F
E
E
Click on the STOP
button to stop
running the VI.
Click on the
white arrow
to run the VI.
Open the LabVIEW VirtuaI Instrument (*.vi)
found under the
Quick Start
folder.
The graphs display the temperature of the chamber measured
by the first temperature sensor and applied heat voltage. The
graphs should resemble those shown here. If not, consult the
troubleshooting section at the end of this guide.
Testing the QNET HVAC
STEP 5
C
H
Ensure that the
+15V, -15V, +5V,
and the
External
Power
LEDs on
the QNET board
are lit.
Ensure that LEDs
on the QNET HVAC
board are lit.
Power on the QNET HVAC
by turning the NI ELVIS II
prototyping board power
switch. The
POWER
LED
next to the switch should
light up.
+15V
-15V
+5V
External Power
24V 2.0A
I
G
Power on the NI ELVIS II using the power switch on the
back of the unit. The
READY
and
ACTIVE
LEDs on the
top NI ELVIS II panel should briefly light, and the
READY
LED stays on.
D
Select the device name to match
your NI ELVIS II device as shown in
the
NI Measurement
&
Automation
Explorer in the
Device
control.
+15V
-15V
+5V
External Power
24V 2.0A