Lenze 9325 - Function 2: CMP1-IN1 > CMP1-IN2; Function 3: CMP1-IN1 < CMP1-IN2

Function block library
7-83
 SHB9300CRV EN 2.0
7.6.19.2 Function 2: CMP1-IN1 > CMP1-IN2
l If the value at the input CMP1-IN1 exceeds the value at the input CMP1-IN2, the output
CMP1-OUT changes from LOW to HIGH.
l If the signal at input CMP1-IN1 falls below the value of CMP1-IN2 - C0681 again, the output
changes from HIGH to LOW.
CMP1-OUT
CMP1-IN1
CMP1-IN2
1
0
C0681
CMP1-IN2
C0681
t
CMP1-IN1
t
CMP1-OUT
Fig. 7-55 Exceeding signal values (CMP1-IN1 > CMP1-IN2)
Example:
This function is used to obtain the comparison ”Actual speed is higher than a limit value
(n
act
>n
x
)” for one direction of rotation.
7.6.19.3 Function 3: CMP1-IN1 < CMP1-IN2
l If the value at the input CMP1-IN1 falls below the value at the input CMP1-IN2, the output
CMP1-OUT changes from LOW to HIGH.
l If the signal at input CMP1-IN1 exceeds the value of CMP1-IN2 + C0681 again, the output
changes from HIGH to LOW.
CMP1-OUT
CMP1-IN1
CMP1-IN2
1
0
C0681
CMP1-IN2
C0681
t
CMP1-IN1
t
CMP1-OUT
Fig. 7-56 A value falls below signal values (CMP1-IN1 < CMP1-IN2)
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