Read from String
Hi all
The question I have is probably very trivial, but I apparently I'm stuck with it. The task that I am doing is to transfer a 'string data' that I get from reading via RS232 port of a controller of movement (relative coordinates of the position of the engine), in a table, so I can use it following the curve of the path. The chain is as follows:
TPM: * TPM + 1274.36, + 0, + 0, + 56.149
and I want two of these four numbers in the data file, something like this + 1274.36, + 56.149, by rank
When I put 'write LVM' express VI and wired it "read rs232" to "signal in VI" me gives error that the data do not match. I therefore feel that the string must be changed somehow before it can be written in the data file.
Can someone help me with this problem please?
Thanks in advance
It's my VI:
You will need to use a function such as match on the palette of the string pattern. Would be the model to look for the TPM secure: * party TPM assuming that is common on all lines of incoming data. Then write the part after string matching in a text file.
Since you just want to write the data to a text file, do not use the file function measure Express. That really does work well if you already have a data type of 'Signal' as those coming from other Express VI. Just use functions open close text, write files, in the range of file IO instead. Search for Finder example for some examples.
Tags: NI Software
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