Appendix A 503
Additional Lab Exercises
Creating Operator Panels and Pop-ups
Key Points
n Gate: The
Gate object only sends a value if the two numbers are equal.
n Junction: The
JCT object allows multiple inputs to the object
Alphanumeric. The JCT object is a “wired OR” object.
n List Object as a Menu: Note the use of the
Data ⇒ Selection
Controls
⇒ List object edited for two choices and formatted for a
list. This configuration will output a text
A or B. If you need the ordinal
value (
0 or 1), then use the List object's ordinal data output instead.
Creating Operator Panels and Pop-ups, Step 3
If the operator does not enter numbers, generate an error message. On the
second
UserObject, which asks the operator to choose whether A or B is
displayed when the two numbers are different, add an error. If the operator
does not choose
A or B within 10 seconds, generate the error.
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