Function 1: cmp1-in1 = cmp1-in2, Function library, Function blocks – Lenze EVS9332xS User Manual
Page 96
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Function library
Function blocks
3.2.16
Comparator (CMP)
3−44
l
EDSVS9332S−EXT EN 2.0
3.2.16.1
Function 1: CMP1−IN1 = CMP1−IN2
This function serves to compare two signals with regard to equality. Hence, the comparison "actual
speed equals setpoint speed (n
act
= n
set
)" can be carried out.
l
Via code C0682 the window of equality can be set.
l
Via code C0681 a hysteresis can be set if the input signals are not stable and cause the output
to oscillate.
The exact function can be obtained from the line diagram.
C0682
C0682
1
0
CMP1−IN2
CMP1−IN1
C0681
C0681
CMP1−IN2
C0681
C0682
C0681
C0682
CMP1−IN1
CMP1−OUT
t
t
Fig. 3−39
Equality of signals (CMP1−IN1 = CMP1−IN2)
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