SAR block
Short summary
Name |
|
→POU type |
|
Category |
|
Conform to →IEC-standard |
not defined in IEC-standard |
Graphical interface |
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Available since |
|
Functionality
The block returns the result of an arithmetic shift to the right.
At input IN
, enter the value to be shifted. At input N
, enter the bits to right-shift the value arithmetically. The bits cleared on the left are filled with the sign bit.
Compare: "SHR block" for a logical shift to the right.
Inputs, return value
|
Identifier |
Description |
|
---|---|---|---|
Inputs: |
|
|
input value |
|
|
number of bits to shift |
|
Return value: |
– |
|
|
Input EN
and output ENO
are available when →calling the block. See "Execution control: EN, ENO" for information on input EN
and output ENO
.
See:
-
"Blocks for safe logic" whether this block is supported for developing safety-relevant applications.
-
"Highlighting safe logic in the FBD-editor" for the effects when using the block as a block for safe logic.
Example for usage within ST-editor
|
When creating your application within the ST-editor, enter a call of a block by typing the text as requested by the syntax or use Content Assist.