B&B Electronics VFG3000 - Manual - Manual (Page 73)

C ONFIGURING D ATA T AGS E DITING F LAG T AGS
R EVISION 1 P AGE 57
T
HE
D
ATA
T
AB
(F
ORMULAE
)
The Data tab of a flag formula contains the following properties...
• The Tag Value property is used to specify the value that is to be represented by
this tag. It is typically set to a logical combination of other tags or PLC registers,
or to a comparison between numeric values. In the example shown above, the tag
is configured to be true when a motor speed exceeds a certain value.
• The Setpoint and Simulation properties are as described for flag variables.
T
HE
D
ATA
T
AB
(A
RRAYS
)
The Data tab of a flag array contains the following properties...
• The Elements property is used to indicate how many data items the array should
hold. Array elements are referred to using square brackets, such that Array[0] is
the first element, and Array[n-1] is the last element, where n is equal to the
value entered for this property.
• The Access and Storage properties are as described for flag variables.