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Chapter 5
Getting Started with Measurement Studio
©
National Instruments Corporation
5-55
Measurement Studio User Manual
Performing a query on the instrument
Note
This walkthrough was created using the NI Instrument Simulator. Any identification
information or sample code generated for this device will be different depending on the
instrument actually used.
1.
The
Select Instrument
step automatically appears in the
Step
Sequence
window when you launch the Instrument I/O Assistant.
Select the instrument you want to communicate with or the port to
which your instrument is connected from the
Select an instrument
drop-down listbox.
2.
Select
Add Step
and then select
Query and Parse
from the expanded
list. You use a Query and Parse step to both write a command to an
instrument and read the instrument’s response.
3.
Enter the command
*idn?
and click
Run this step
. The
*idn?
command is a standard instrument command for querying an
instrument’s identification information. If your instrument does not
support the
*idn?
command, refer to the documentation for the
instrument for more information about the instrument’s command set.
4.
Click
Auto parse
to parse the instrument’s response. The
Auto parse
button automatically parses binary block data and ASCII text. Refer to
the
Parsing an Instrument Response
topic in the
Instrument I/O
Assistant Help
for information about how the Assistant parses different
data formats.