By selecting "Virtual" you can enter a sub-area where it’s possible to create virtual channels; some "Virtual Cards" are available to be considered as groups of channels of definable number without limit.
Input channels are used to
simulate dynamic acquisitions.
The output channels are used as
variables or as temporary allocations of memory in which to write the numeric
values to be used in other moments or portions of the program.
As all logical channels of "output" type, their value can be changed:
In this picture you can see the management settings.
As in most of channels’ sources, is available a feature to preview the value of the selected channel ("single channel oscilloscope") if it’s of the input type or to give it an active value if it’s of the output type.
In this picture you can see the details for each virtual channel.