The Test device does not communicate with any real hardware. It is provided to allow you to try out DAQFactory on computers without any real hardware. It can also be used as a place to store variables or flags for sequences that need to be controlled over a network.
The A to D, Counter, Special, and Dig In I/O types for this device generate sine waves with a period proportional to the channel number.
The Spectrum I/O type generates a 500 point spectrum with 3 different sized gaussian peaks. The amount of noise that is placed on top of the spectrum is determined by the channel number.
The output I/O types and String I/O type simply bounce back their set points. Because of this, you can use the output Channels of the Test device as a place to store variables or flags for use in sequences that need to be adjustable from a remote copy of DAQFactory. Simply create a Test device output channel and set its value like you would set a real D to A or Digital Out.
The A to D channel also has a channel parameter that allows you to try high speed mode. To access the parameter, set up an A to D channel as you normally would, then go to the last column of the table (or what is normally the Quick Note field in the Channel view, just above the Notes). Click on the button to the right of this field. This will open a dialog window where you can select the Channel parameter and enter in the parameters.
For the A to D channel, the Channel parameter sets the number of samples that will be generated. The driver will use the timing of the channel to spread these samples out. So, for example, if you specified 1000 samples and your timing was 1 second, you would get 1000 samples per second, each separated by a millisecond.
