Subscribes to status updates from the Shared Variable Engine running on the specified server and begins generating alarm and event notifications. Call this VI multiple times to subscribe to additional servers.


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Inputs/Outputs

  • cusereventrn.png notification refnum —

    notification refnum is a user event refnum created by the Enable Alarm & Event Notifications VI.

  • cstr.png server (localhost) —

    server specifies the server for which you want to monitor system events.

  • cerrcodeclst.png error in (no error) —

    error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

  • iusereventrn.png alarm & event notification —

    alarm & event notification returns the strictly typed user event refnum.

  • istr.png server out —

    server out returns a copy of the server input.

  • ierrcodeclst.png error out —

    error out contains error information. This output provides standard error out functionality.

    • Examples

    Refer to the Simple Shared Variable and Event Monitor.lvproj in the labview\examples\lvdsc\Shared Variable Management\Simple Shared Variable and Event Monitor directory for an example of using the Request System Event Notifications VI.