Commands allow your operators to interact with the
runtime system. You can define three types of direct command
controls:
Touch commands that your operators issue
by clicking specific graphics object (displayed on a graphics
pageA drawing (or image) that appears on a workstation
to provide operators with control of a plant, and display a visual
representation of conditions within the plant.).
Keyboard commands that your operators
issue by typing instructions on the keyboard.
Slider controls that your operators use
to change the values of analog variables.
You can assign privileges to commands and
controls, and send a message to the command log each time an
operator issues a command.
).