Inputs
|
Input |
Data Type See Data Types. |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
IN |
BOOL |
FALSE, TRUE |
|
|
Boolean value. |
Outputs
|
Output |
Data Type See Data Types. |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Q |
BOOL |
FALSE, TRUE |
|
Boolean negation of the input. |
Truth Table
|
IN |
Q |
|---|---|
|
0 |
1 |
|
1 |
0 |
FBD Language Example
- In the FBD Language, the block "NOT" can be used.
- Alternatively, you can use a link terminated by a "o" negation.
Example: Explicit use of the NOT block:
Example: Use of a negated link: Q is IN1 AND NOT IN2:
FFLD Language Example
- In the FFLD Language, negated contacts and coils can be used.
Example: Negated contact: Q is: IN1 AND NOT IN2:
Example: Negated coil: Q is NOT (IN1 AND IN2):
IL Language Example
Not available.
ST Language Example
- In the ST Language, NOT can be followed by a complex Boolean expression between parentheses.
Q := NOT IN;
Q := NOT (IN1 OR IN2);
See Also
