Configure I/O controls to pass Traditional NI-DAQ (Legacy) virtual channels, NI-DAQmx resources (such as tasks, channels, and scales), IVI logical names, VISA resource names, FieldPoint I/O points, or Motion resource names to I/O VIs to communicate with an instrument or a measurement device.
Add one of the I/O controls from the I/O palette to the front panel.
Click the arrow in the I/O control and select a resource you configured. If the I/O control does not have items available in the pull-down menu, you must configure the resource associated with the control.
Display the block diagram.
Wire the I/O terminal to the I/O input of an I/O VI that communicates with a measurement device, instrument, or other device.
You also can configure the shared variable control to select a shared variable for use in VIs.
Add the shared variable control from the I/O palette to the front panel.
Click the down arrow on the right side of the shared variable control to select a shared variable. All deployed shared variables in the currently open project appear in the pull-down menu.
If you want to use a shared variable that is not in the currently open project, click the down arrow and select Browse. Browse for a deployed shared variable in a different project or on a different computer.