SIGN (74)
SIGN (74)
ID 74
|
Application: |
PLC |
SIM |
Group: MATH
Short description:
A function that returns the sign of the actual value.
Inputs (1):
|
no. |
type |
impulse |
mark |
notes |
|
1 |
R |
no |
a |
Real type input |
Outputs (1):
|
no. |
type |
impulse |
mark |
notes |
|
1 |
I |
no |
sign |
The sign of the input value |
Settings: none
Function operation:
The SIGN function returns the sign of the actual input value. If a positive value is read at the input a, the function returns the value 1 at the SIGN output, if the input value is 0, the value 0 is returned, and if there is a negative value at the input a, the function returns SIGN -1.
R registers and M markers used: none