LRS2249 LabView VI

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LRS2249 LabView VI
How to use the LeCroy 2249 ADC Measurement VI
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LRS2249 LabView VI
CAMAC VISA Session must read the VISA address
assigned to the LeCroy 8901 module by the
computer. In most cases, this will be
GPIB01INSTR. Selecting the drop-down arrow
next to the input will provide a list of possible
addresses.
The CAMAC Config array contains the directives
which will be sent to the CAMAC. Advancing the
array control allows for reading multiple 2249
modules in one iteration.
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LRS2249 LabView VI
Make sure that CAMAC Slot Location (1-23)
indicates the CAMAC address of the LRS2249 module.
Number of Channels to Read (1-12) should
reflect the number of inputs you wish to read
from the 2249 module. The VI reads the input
number of channels, starting with channel 0 and
incrementing in order.
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LRS2249 LabView VI
Sample Size tells the VI how many samples to
take from each channel.
Current Sample indicates the current sample the
program is processing, to provide a running tally
of samples. Test Status takes the current
sample divided by the sample size to provide a
conventional progress bar.
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LRS2249 LabView VI
Save Data and Graph Data tell the program
whether or not to save the data upon completion
and graph the data during the run, respectively.
Data Write Path tells the VI where to save the
data if the save data input is checked. If the
Save Data input is checked at the end of the run
but no path is provided in this input, the user
will be prompted to provide a path.
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LRS2249 LabView VI
Clear Data Buffer clears all data which has
been taken up to that point from the buffer. The
cleared data will not be saved.
STOP halts program operation after the current
sample has been taken. Data in the buffer (all
data collected since the beginning of the run or
since the last clear data buffer was issued) will
then be saved if the Save Data box is checked.
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LRS2249 LabView VI
Verify LAM? is a debugging option, since the VI
occasionally runs into problems verifying the LAM
response. The box should be checked unless the
Verify LAM is timing out. Verify LAM Timeout
sets the number of milliseconds to wait before
the Verify LAM times out (if the VLAM box is
checked).
LRS2249X and LRS2249Q illuminate when the
CAMAC receives an X and Q response, respectively.
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LRS2249 LabView VI
Graphed Data displays graphs of each channel
when Graph Data? Is checked. Incrementing the
array controls on the top left changes the
channel and card displayed. The graphs are
distinguished by the CAMAC Card Slot and Channel
indicators at the top of each graph.
Error Running Report and Error Final Report
display any errors which result during the most
recent sample and during the entire run once the
run has terminated, respectively.