B&B Electronics VFG3000 - Manual - Manual (Page 288)

G ET R EAL T AG ( INDEX ) V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 272
G
ET
R
EAL
T
AG
(
INDEX
)
A RGUMENT T YPE D ESCRIPTION
index int Tag index number
D ESCRIPTION
Returns the value of the real tag specified by index . The index can be found from the tag
label using the function FindTagIndex(). This function will only work if the targeted tag is
a real (floating point).
F
UNCTION
T
YPE
This function is active.
R ETURN T YPE
float.
E XAMPLE
Value = GetRealTag(10)
Returns the floating-point value of the tag with index 10.
Value = GetRealTag(FindTagIndex(“Power”))
Returns the floating-point value from the tag with label Power .