QNE ( Not Equal )
| Function name | QNE_010 |
|---|---|
| Function version | 1.0 |
| Function state | stable |
| Compatibility with IEC61131-3 | not compatible |
Graphic symbol :
Input / Output :
| Name | Belonging Group | Access | Types of data | Description |
|---|---|---|---|---|
| A | Normal | R , RW | F , B , W , L , S | Variable compared with B |
| B | Normal | R , RW | F , B , W , L , S | Variabile compared with A |
| Q | Right Power Flow | State after function processed |
Description :
The function executes: Comparison of different from. It verifies if A is different from B and it gives a Boolean result placed in the variable Q.
The variable Q is:
1 (one) when the variable A is different from the variable B.
0 (zero) when the variable A is equal to the variable B.
