B&B Electronics VFG3000 - Manual - Manual (Page 221)

F UNCTION R EFERENCE P ROGRAMMING S TATEMENTS
R EVISION 1 P AGE 205
F
UNCTION
R
EFERENCE
The following pages describe the various standard functions that provided by Fieldbus
Gateway Manager. These functions can be invoked within programs, actions or expressions
as described in the previous chapters. Functions that are marked as active may not be used in
expressions that are not allowed to change values eg. in the controlling expression of a
display primitive. Functions that are marked as passive may be used in any context.