Looking through channels and create a chain of search values


I am trying to generate a script that allow me to serch throug a channel and compare the values of a number and create another channel with these instances

Let me expand

I have the following test data in a PDM file with a name of group 'Monthly data' and a channel name of "month 2"»

Time value

1 18000

2 45100

3 59800

4 35500

What I want to do is to compare these values to a set of values and record when this value occurred in a channel.

For eample I am looking for all values greater than 36000 and 50000

So I would end up with a new channel that would containm the following text

2 45100

3 59800

I know I need to create a table of values that would take the data comparison

CtrlVals = Array ("", 45000-50000)

and a channel to store the found values and assign a default value

IF GroupIndexGet ("stored value") > 0 THEN

groupIndex = GroupIndexGet ("stored value")

GroupDel (groupIndex)


Call Autonomecreer ("stored value")

groupIndex = GroupIndexGet ("stored value")

CallGroupDefaultSet (GroupIndex)

And I have to create the channel in that I want to store the data

ChArray = ChnAlloc ("Instances", iMax): ChnLength (ChArray (0)) = iMax: CtrlEdgeChX = ChArray (0)

I guess I'm not sure how to insert data found in the created channel.

I use DIAdem 2011


Hello SmoothDurban,

The variable you are looking for is (it would be for the channel of 'Time' in Group 1...

Data.Root.ChannelGroups (1). Channels ("Time"). Properties ("length"). Value

You can find the name of a property in DIAdem by dragging in the DataPortal script editor.

In the above example I have simple glide the maximum property from the data portal to the Panel SCRIPT, the end resulty is the full name of the property with channel and group of references...

Hope that helps,


Tags: NI Software

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