User Manual

Wiring with easy800
150
08/04 AWB2528-1423GB
Boolean operation
easy800 provides 32 function blocks from BV01 to BV32 for
Boolean operations with values.
The following possibilities are provided by the Boolean
sequence function block:
• Masking out of special bits from values,
• Bit pattern recognition,
• Bit pattern modification.
A Boolean sequence function block is not wired in the circuit
diagram.
Parameter display and parameter set for Boolean sequence
function block:
Only constants can be modified in the parameter display of
a function block.
Operating modes of the Boolean sequence function
block
BV27 AND +
>I1
>I2
QV>
BV27 Boolean sequence function block number 27
AND AND operation mode
+ Appears in the parameter display
>I1 First value
>I2 Second value
QV> Result of the sequence
Parameter
Function
AND AND operation
OR OR operation
XOR Exclusive OR operation
NOT Negation of the Boolean value of >I1