Bitwise Boolean instructions
533
Part III FP Instructions
In this example the input variables input_value_1 and input_value _2 are declared. However, you
can write constants directly at the input contact of the function instead.
Example
In this example, the same POU header is used for all programming languages. For an example
using IL (instruction list), please refer to the online help.
POU header
All input and output variables used for programming this function have been declared in the POU
header.
Body
When the variable start is set to TRUE, the function is carried out.
LD
ST
When programming with structured text, enter the following:
IF start THEN
F217_DXOR(input_value_1, input_value_2, output_value);
END_IF
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