Inputs
|
Input |
Data Type |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
IN |
ANY |
|
|
|
Numeric value. |
Outputs
|
Output |
Data Type |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Q |
ANY |
|
|
Negation of the input. |
Remarks
- In FBD and FFLD language, the block NEG can be used.
Truth Table
|
IN |
Q |
|---|---|
|
0 |
0 |
|
1 |
-1 |
|
-123 |
123 |
FBD Language Example
FFLD Language Example
- In the FFLD Language, the conversion is executed only if the input rung (EN) is TRUE.
- The output rung (ENO) keeps the same value as the input rung.
- The negation is executed only if EN is TRUE.
- ENO keeps the same value as EN.
IL Language Example
Not available.
ST Language Example
- In the ST Language, - (hyphen) can
be followed by a complex Boolean expression between parentheses.
- The output data type must be the same as the input data type.
Q := -IN;
Q := - (IN1 + IN2);
