Logical block used for assigning values denied to output variables.
Ladder Representation
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Block Structure
Variable Type |
Name |
Data Type |
Description |
VAR_OUTPUT |
O1 |
BOOL |
Block log output |
Operation
The block transfers the denied value of A for the memory address corresponding to O1.
Diagram

Block Flowchart

Example in Ladder

The above example disables the digital output DO3 when some of the digital inputs DI1 and DI2 are with FALSE value. When both inputs are with a TRUE value, DO3 activates.