VISA Serial Break (Serial Instr) VI
- Updated2025-07-30
- 2 minute(s) read
Sends a break on the specified output port. Wire data to the VISA resource name input to determine the polymorphic instance to use or manually select the instance.

Inputs/Outputs
VISA resource name
—
VISA resource name specifies the resource to be opened. The VISA resource name control also specifies the session and class.
Duration (-1 : use default)
—
Duration specifies the length of the break in milliseconds. While the VI runs, this value temporarily overrides the current setting of the VISA Serial Settings:Break Length property. Afterwards, the VI returns the current setting to its original value.
error in (no error)
—
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
VISA resource name out
—
VISA resource name out is a copy of the VISA resource name that VISA functions return.
error out
—
error out contains error information. This output provides standard error out functionality. |
Examples
Refer to the following example files included with LabVIEW.
- labview\examples\Instrument IO\Serial\Set Serial Break Event.vi
VISA resource name
—
Duration (-1 : use default)
—
error in (no error)
—
VISA resource name out
—
error out
—