Double signals

Hello

I use LabVIEW 7 to dump the data into a data base MySQL using LabSQL. I generate the SQL script by concatenating input signals (after the first dynamic data table, and then to a fractional string conversion) with text constants to provide the INSERT INTO, commas etc. The script returned it is fine and works well, however, signals are each at least doubled in place (IE 10 lot in 1010, and according to the source I got 5 out as 555555555555555555555555555555555555).

If I run the VI in climax run mode, with probes attached to the wires away from the block of concatenation, I see the real match takes place in this block. However, as the signal passes through the number of chain block, a "#2" appears above him." I guess that's what indicates the presence of two signals, but I don't see how to remedy this.

If anyone can shed some light on this point, I would be very grateful.

Thank you

Rob

Hi Rob,

I found the problem by placing some probes:

You convert your data (tree simulated transducer output freq graphic) variant of doubles. Can wire you this table to the post of "conversion to string. Each conversion is getting the entire table AND IS to CONVERT the ENTIRE table! Your table contains 2 values (something around 10) If you get 10 and 10 in the chain without the characters between the two (if you get the 1010).

To avoid this:
-Use the index table to get the data in the table.
- And maybe you need to use the function 'String Format' instead of these 5 unique conversion and the 'concat string... "

And Please clean up your code a bit more. Not everyone uses a screen resolution 1600 x 1200 (or even more). Especially when you need only 640 x 480 :-)

Tags: NI Software

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