Eurotherm Drives 620 Com, Product Manual, Page: 126 / 203

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NOT(A)
OUTPUT INPUT A
INPUT B
INPUT C
NOT(A
If INPUT A is TRUE the
OUTPUT is FALSE, otherwise
the OUTPUT is TRUE.
AND(A,B,C)
OUTPUT
INPUT A
INPUT B
INPUT C
AND(A,B,C)
If A and B and C are all TRUE
then the OUTPUT is TRUE,
otherwise the OUTPUT is
FALSE.
NAND(A,B,C)
OUTPUT
INPUT A
INPUT B
INPUT C
NAND(A,B,C)
If A and B and C are all TRUE
then the OUTPUT is FALSE,
otherwise the OUTPUT is
TRUE.
OR(A,B,C)
OUTPUT
INPUT A
INPUT B
INPUT C
OR(A,B,C)
If at least one of A or B or C is
TRUE then the OUTPUT is
TRUE, otherwise the
OUTPUT is FALSE.
NOR(A,B,C)
OUTPUT
INPUT A
INPUT B
INPUT C
NOR(A,B,C)
If at least one of A or B or C is
TRUE then the OUTPUT is
FALSE, otherwise the
OUTPUT is TRUE.
XOR(A,B)
OUTPUT
INPUT A
INPUT B
INPUT C
XOR(A,B)
If A and B are the same, (both
TRUE or both FALSE), then
the output is FALSE, otherwise
the output is TRUE.
0-1 EDGE(A)
input A
output
input C FALSE
input C TRUE
Duration 20ms
t
Rising Edge Trigger
Input B is not used.
This function outputs a pulse of 20ms duration when INPUT A to the
block becomes TRUE. When INPUT C is TRUE, the output is inverted.
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