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TROUBLESHOOTING
At least one of
the +15V, -15V,
or +5 LEDs on
the QNET VTOL
board are not lit.
The +15 V; -15 V;
and +5 V LEDs on
the QNET VTOL
board are bright
green but the
External Power
LED is not lit.
The encoder does
not read 0 when
the VTOL body is
in the horizontal
position.
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QNET 2.0 Rotary Pendulum
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©2016 Quanser Inc. All rights reserved. NI ELVIS is a trademark of National Instruments. QNETs were developed by Quanser exclusively for National Instruments.
Review the following recommendations before contacting technical support engineers
•
Ensure that the PCI connector on the QNET board is properly connected to the female
connector on the NI ELVIS II unit.
•
Check that the system power switch, located on the back panel of the NI ELVIS II unit,
and the prototyping power switch, situated on the top of the NI ELVIS are ON.
•
If one or more of the +15V; -15V; or +5V LEDs is still not lit, then the 15V or +5V fuse(s)
on the Protection Board of the NI ELVIS II has been triggered. Similarly, if the External
Power LED is still not lit after connecting the QNET VTOL power, the Variable Power
Supplies Fuses on the NI ELVIS II Protection Board have been triggered. See the
Protection Board Fuses in the NI ELVIS II User Manual.
•
Ensure the supplied QNET power supply is connected to the QNET board.
•
If the External Power LED still does not light up, the QNET fuse may need to be replaced.
Refer to the QNET VTOL User Manual for details.
•
Make sure that the VTOL body is in a downward position, resting on the surface of the
QNET board before the VI is run.
For further assistance visit ni.com/support or contact NI Support at 866-275-6964.
Expand your lab using other QNETs for NI ELVIS
For full range of QNETs visit www.ni.com/quanser.
For advanced control tools for teaching and research, visit www.quanser.com
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