The CLR block implements the
CLR ladder logic
instruction. When the rung conditions are true, the block clears all the bits specified in the
Data To Clear tag.
EnableIn— Enable Input
Controls the execution of the block. EnableIn reflects the rung state preceding the block. If the rung state preceding the block is false, EnableIn is false, the block does not execute and the outputs are not updated.
EnableOut— Enable Output
By default, EnableOut follows the state of EnableIn. If the EnableIn input to the block is false, the logic implemented by the block is not executed and EnableOut signal is set to false.
Data To Clear— Operand data
Specify the data bits to be cleared. Data bits are specified in the format of
tags. In Ladder Diagrams, tags (variables) are used for
representing all inputs, outputs, and internal memory with attributes such as
Initial Value, and
size. To change the attributes of the
Clear, open the Program Variables table within the
Ladder Diagram Program block.
|Type: character vector|
|Value: character vector|