There are 4 logic functions available: BOOL 1, 2, 3, and 4. There are 6 operations to choose from:
NOT: the NOT operator function returns the inverse value of factor A, the factor B does not be configured as NOT has only one binary variable. Therefore, if the operand factor A is zero, the result will be 1 and vice versa.
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AND: the AND operator function returns a value of 1 if all the factors have a value of 1, while it returns 0 in all other cases: when the operand factor A is 1 and the operand factor B is zero o vice versa or if both operands factors are zero. This operation is equivalent to having two contacts in series: they both must be closed for the signal to pass.
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OR: the OR logic operation function return 1 if at least one of the operands factors is 1, while it returns 0 in every other cases. This operation is equivalent to having two contacts in parallel: one of the two must be closed for the signal to pass.
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XOR: the XOR operationfunction, also known as EX-OR, exclusive OR, or sum module 2, returns 1 if and only if the number of operands factors equal to 1 is odd, while it returns 0 in all other cases.
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FLIP FLOP S/R: flip/flop are sequential digital circuits whose task is to save a bit. A digital circuit is said sequential if the output (Result) depends on the applied inputs (OperandsFactors) and on the previous status of the same output. A sequential circuit, therefore, must remember its previous status. The Flip-flop S/R (Set-Reset or Start-Stop) is the simplest memory device and has two inputs called Set (Operand Factor A) and Reset (Operand Factor B) and one output referred to as Result. Therefore, if the Operand Factor A is equal to 1 even for 1 second, the result is 1 as long as Operand Factor B being equal to 1 (even just for a second) resets the value of the result back to zero.
FFAP: is always a flip-flop that accepts two operandsfactors, the first Operand Factor A is the Start signal, therefore if it is equal to 1 the result is equal to 1, while the result is equal to zero only if both operands factors (Start operand factor A and Stop operand factor B) are equal to zero.
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All 6 operations can return a value of 0 or 1 and can be used anywhere in RegConfig when digital inputs are provided, e.g., as block signal of a source by selecting VDoutH from the drop-down menu and then the logic function programmed in Free Signals:
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Logic functions can also be used to manage digital outputs:
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