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Home Support NI Product Manuals SystemLink 2020 R4 Manual

Table Of Contents

Create Filter (Property) (G Dataflow)

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Last Modified: August 30, 2019

Creates or adds a property query to an existing TDMS file query filter.

If you specify multiple property queries, Query TDMS Files opens only the TDMS files that match all queries.

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operator

Criteria for how to filter TDMS files on the server.

Name Description
contains The alarm instance(s) returned must contain the value you specify.
not contains The alarm instance(s) returned must not contain the value you specify.
equal The alarm instance(s) returned must equal the value you specify.
not equal The alarm instance(s) returned must not equal the value you specify.
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filter in

Query or queries you want to use to find matching TDMS files on the server.

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key

Unique identifier for the property you want to locate.

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value

Metadata property you want to add to the TDMS file.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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filter out

Updated query or queries to find matching TDMS files on the server.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported

Web Server: Supported in VIs that run in a web application

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