Arduino & NI-VISA

[GerdW]

Hi rockabilly,

some very basic error handling implemented:

(You don't need to wire default settings for VISAConfigure…)

[rockabilly]

What's this Green Box ? How to create it ?

[RavensFan]

A case structure.

When you wire an error wire to it, it changes to a red Error case and a green No Error case.

[rockabilly]

Same results, still drop to zero sometimes. May be because of the yellow line which i do not have and don't know its meaning and create

[crossrulz]

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@rockabilly wrote:

May be because of the yellow line which i do not have and don't know its meaning and create

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You mean the error cluster?  That is a very important piece of data you should be using.  It tells you if things went wrong somewhere and what the issue was.  A requirement for any good debugging.

[GerdW]

Hi rockabilly,

May be because of the yellow line which i do not have and don't know its meaning and create

Did you take all those free learning resources offered by NI?

If not: do it now!

[rockabilly]

Yes, that one in above screenshot 😞

[GerdW]

Hi rockabilly,

to repeat previous message: you need to wire an error cluster to the case structure selector to get that green border.

Did you read the help for the case structure?

[rockabilly]

Yes i read but cannot figure since English is not my primary language. I changed the block diagram as below, but errors still continue. Fingers crossed...

[GerdW]

Hi rockabilly,

I changed the block diagram as below, but errors still continue.

Which errors do "continue"?

When you still get intermittant zeros in your indicators then those values are transmitted from your Arduino!

I do repeat: which string did you receive when your indicators do display the zero?

This is some basic code debugging on your side, so please do (or learn) that!