B&B Electronics VFG3000 - Manual - Manual (Page 350)

S GN ( VALUE ) V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 334
S
GN
(
VALUE
)
A RGUMENT T YPE D ESCRIPTION
value int / float The value to be processed.
D ESCRIPTION
Returns –1 if value is less than zero, +1 if it is greater than zero, or 0 if it is equal to zero.
F UNCTION T YPE
This function is passive.
R
ETURN
T
YPE
int or float , depending on the type of the value argument.
E XAMPLE
State := Sgn(Level)+1