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Owning Palette: Instrument I/O VIs and Functions

Use the VISA VIs and functions to program instruments using VISA.

The VIs and functions on this palette can return VISA error codes.

Palette Object	Description
VISA Assert Trigger	Asserts a software or hardware trigger, depending on the interface type. For software triggers, Default (0) is the only valid protocol. For VXI hardware triggers, Default (0) is equivalent to Sync (5). For PXI triggers, PXI: Reserve (6) and PXI: Unreserve (7) are the only valid protocols.
VISA Clear	Clears the input and output buffers of the device.
VISA Read STB	Reads a service request status byte byte from the message-based device specified by VISA resource name.
VISA Read	Reads the specified number of bytes from the device or interface specified by VISA resource name and returns the data in read buffer.
VISA Write	Writes the data from write buffer to the device or interface specified by VISA resource name.

Subpalette	Description
VISA Advanced VIs and Functions	Use the VISA Advanced VIs and functions to accomplish advanced VISA tasks.