Normally Open Contact
| Function name | NOCN_010 |
|---|---|
| Function version | 1.0 |
| Function state | stable |
| Compatibility with IEC61131-3 | compatible |
Graphic symbol :
Input / Output :
| Name | Belonging Group | Access | Types of data | Description |
|---|---|---|---|---|
| reference | Normal | R , RW | F , B , W , L , S | Reference variable of the contact |
Description :
If the reference variable is FLAG type:
The state of the left link is copied in the right link if the state of the associated boolean variable (indicated with reference) is ON, otherwise the state of the right link is OFF.
If the reference variable is BYTE, WORD, LONG and SINGLE type:
The state of the left link is copied in the right link if the value of the associated variable (indicated with reference) is different from 0 (zero), otherwise the state of the right link is OFF.