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NCCONTACT |
  
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NCCONTACT |
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Normally closed contact.
Ladder Representation
Block Structure
Variable Type |
Name |
Data Type |
Description |
|---|---|---|---|
VAR_OUTPUT |
I1 |
BOOL |
Block control input |
Operation
When variable I1 is with TRUE value, B receives FALSE.
When variable I1 is with FALSE value, B receives the value of A.
|
NOTE! Watch out for series and parallel associations of contacts. Refer to section Contact Logic for further information. |
Diagram
Block Flowchart
Example in Ladder
The above example performs the transfer of the opposite value of digital input DI1 to the digital output DO2.
