B&B Electronics VFG3000 - Manual - Manual (Page 159)

C ONFIGURING P ROGRAMS U SING THE P ROGRAM L IST
R EVISION 1 P AGE 143
the action will not be performed, and a “TIMEOUT” message will be displayed for the
operator. This timeout mechanism is required to avoid problems should a communications
link become severed.
C
ONFIGURING
P
ROGRAMS
The previous sections of this manual describe how you can use actions to perform all manner
of operations in response to key presses or changes in data tags. If you need to perform an
action that is too complex to fit on a single line, or that demands more complex decision-
making logic, you can use the Programming icon from the main screen to create and
manipulate programs. You should note that many applications will not need programs. You
may thus choose to skip this chapter if desired.
U
SING THE
P
ROGRAM
L
IST
To create, rename or delete programs, click on the left-hand pane of the User Interface
window. The various commands on the Program menu can then be used to make the desired
changes. Alternatively, right-click on the required program, and select from the menu.
To select a program, either click on the name in the list, or use the up and down arrows in the
toolbar. Alternatively, you can use the
Alt+Left and Alt+Right key combinations to move
up and down the list as required. These keys will work no matter which pane is selected.
E
DITING
P
ROGRAMS
To edit a program, simply edit the program text using the large area in the right-hand pane of
the Programming window. When you have finished, press the
Ctrl+T key combination or
select the Translate command from the Program menu. This will read the program and check
it for errors. If an error is found, a dialog box will be displayed, and the cursor will be moved