I am stuck in this VI help please

[newbieeng]

hi guys,

Could you help me? I am studying Labview from a book and I could not find a way to form a component. I took a printscreen on and add it a paint file on the attachment. The componenet that I could not find the form is bordered by a red frame in the attachment.

[Miha_Vitorovic]

It's a constant. Just right-click on the input that takes this constant and choose Create->Constant, it will create what you need.

Br, Mike

[newbieeng]

are you sure about that it is constant? when I added constant it will show me just a value but in the scheme there is an arrow for choosing one selection.

[Miha_Vitorovic]

That is the Enum constant. It allows you to select the allowed values for the enum type.

[Miha_Vitorovic]

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@newbieeng wrote:

are you sure about that it is constant? when I added constant it will show me just a value but in the scheme there is an arrow for choosing one selection.

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I forgot to ask you: how did you create the constant?

[newbieeng]

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@Miha Vitorovic wrote:

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@newbieeng wrote:

are you sure about that it is constant? when I added constant it will show me just a value but in the scheme there is an arrow for choosing one selection.

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I forgot to ask you: how did you create the constant?

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I opened the pop-up menu of "Sample Clock VI" and then chose "Create-Constant"

[NIquist]

Maybe you missed with your click?  If you right-clicked in the right place you should see the right enum.  You have to right-click exactly on the spot where you would connect a wire to.

[newbieeng]

I am using labview 2009 academic suite. and I clicked the rgiht spot but there is no enum .

[Yamaeda]

It's an Enum constant as mentioned. If the VI it connects to has an Enum as input you can r-click the input and create constant and you'll get one of those. Else you'll have to create one of your own (preferably as type-def) if you want a self documenting VI.

From a funtional standpoint it's an integer and you can connect a integer constant, but it's not as easy to read what your choice is then ...

/Y

[Darin.K · Accepted solution]

Try creating a control and then changing that control to a constant.