Lenze EVS9332xP - Manual (Page 169)

Function library
Function blocks
3.5.17 Long comparator (CMPPH)
3−141
l
EDSVS9332P−EXT DE 2.0
3.5.17.1 Function 1: CMPPH1−IN1 = CMPPH1−IN2
Comparison of two phase signals.
l Set the window under C1672, where the equality is to be effective.
l Set a hysteresis under C1671 if the input signals are not stable and the output oscillates.
The exact function can be obtained from the line diagram.
HIGH
0
CMPPH1-IN2 CMPPH1-IN1
C1671 C1672 C1671 C1672
CMPPH1-IN2
C1671
C1672
C1671
C1672
t
CMPPH1-IN1
t
CMPPH1-OUT
HIGH
LOW
LOW
Fig. 3−92 Equality of signals (CMPPH1−IN1 = CMPPH1−IN2)
Example:
This function is for the comparison "Actual phase equal to setpoint phase (ph
act.
= ph
set
)".