Standard function blocks
174
02/16 MN05013001Z EN
A, analog value
comparator/threshold
value switch
An analog value comparator or threshold value switch is
used, for example, to compare marker contents and switch
when defined threshold values are reached.
easySafety allows the use of up to 16 analog value
comparators/threshold switches.
Function block
Figure 70:
Analog value comparator function block
a
Inputs A..I1 and A..I2: The comparison value 1 at input >I1 is
compared with the comparison value 2 at >I2.
b
Inputs A..F1 and A..F2: Values entered here are used as
multiplication factors to adjust the comparison values 1 and 2.
c
Input A..OS: Offset for comparison value 1.
d
Input A..HY: Positive and negative hysteresis for comparison
value 2.
e
Contact A..Q1: Closes when the comparison result “greater
than”, “equal to” or “less than” occurs, depending on the set
operating mode GT, EQ or LT.
f
Contact A..CY: Closes when the permissible value range is
exceeded.
A...
Analogue value
a
b
a
b
c
d
e
f
Q1
>I1
>F1
>I2
>F2
>OS
>HY
CY
DW
DW
DW
DW
DW
DW
Содержание easySafety
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