Function blocks
177
1SVC 440 795 M1100
Boolean operation
The display system provides 32 function blocks from BV01 to
BV32 for Boolean operations with values.
The following possibilities are provided by the Boolean
operation function block:
• Masking out of particular bits from values,
• Bit pattern recognition,
• Bit pattern modification.
A Boolean operation function block is not wired in the circuit
diagram.
Parameter display and parameter set for Boolean operation
function block:
Only constants can be modified in the parameter display of
a function block.
Operating modes of the Boolean operation function
block
Value range
32 bit signed value
BV27 AND
+
>I1
>I2
QV>
BV27
Boolean operation function block number 27
AND
AND operation
+
Appears in the parameter display
>I1
First value
>I2
Second value
QV>
Result of the operation
Parameter
Function
AND
AND operation
OR
OR operation
XOR
Exclusive OR operation
NOT
Negation of the Boolean value of
>I1
Содержание CL Series
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