Nidec Digitax ST Plus - Page 92

92 SM-Applications Modules & Motion Processors User Guide
Issue Number: 4
Below is an example of a simple UDFB that adds two numbers and scales by a pre-
defined amount (0.5):
(Output%) = _simplefb(Input1%, Input2%) {
// Initialization code:
Scale% = 500 // initialise a local variable
FBbody
// main body code:
Output% = Input1% + Input2% * Scale% / 1000
}