Lenze 8400 TopLine - Manual (Page 1420)

19 Function library
19.1 Function blocks
1420
Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
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19.1.28 L_Compare_3
This FB compares two analog signals and can be used e.g. to implement a trigger.
• Comparison operation, hysteresis and window size can be parameterised.
Inputs
Outputs
Parameter
Identifier
Data type
Information/possible settings
nIn1_a
INT
Input signal 1
nIn2_a
INT
Input signal 2
Identifier
Data type
Value/meaning
bOut
BOOL
Status signal "Comparison statement is true"
TRUE The statement of the selected comparison mode is true.
Parameter Possible settings Info
C00690 Function selection
1 nIn1 = nIn2
2 nIn1 > nIn2
3 nIn1 < nIn2
4 |nIn1| = |nIn2|
5 |nIn1| > |nIn2|
6 |nIn1| < |nIn2|
C00691 0.00 % 100.00 Hysteresis
• Lenze setting: 0.50 %
C00692 0.00 % 100.00 Window
• Lenze setting: 2.00 %

For a detailed functional description see L_Compare_1 .
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