How to build a time delay switch?

[crazyandytk]

I want to use labview to make a time delay switch.

In my project, a control command controled a LED. But I want to when the command is true, the LED in labview is Boolean ture and hold this value for a second. It like a time delay switch: push the button, the light should be turned on for seconds.

How to do it in labview?

[ChrissyC]

Hi,

Firstly this is a pretty basic question, I'd suggest that you read through the basic LabVIEW tutorials here on the NI site and look through some of the examples that ship with LabVIEW.

For you an easy solution is to use the time delay express Vi in the timing palette. Just set this to one second, wire your on/off states for the led either side of it - the error wires will enforce the dataflow.

-CC