Siemens LOGO! Manual page 208

LOGO! functions
4.4 Special functions list - SF
Calculation rule
Q = 1, for (Ax - Min)/ (Max - Min) of time period T, when Min < Ax < Max
Q = 0, for PT - [ (Ax - Min) / (Max - Min) ] of periodic time T.
Note: Ax in this calculation refers to the actual value Ax as calculated using the Gain and
Offset.
Setting the Par Parameter
The following illustration shows the view in programming mode that corresponds to the first
example:
Use the
of a value, use the
to the second screen from the last line of the first screen, and the
top line of the second screen to the first screen. Use the OK key to accept changes.
View in parameter assignment mode:
208
and keys to navigate to the Min, Max, A, B, T and P parameters. For each digit
and keys to scroll through value choices. Use the key to navigate
key to navigate from the
Manual, 10/2017, A5E01248535-AA
LOGO!