Lenze E84DSxxx - Manual (Page 726)

17 Function library
17.1 Function blocks | L_Compare_2
726
Lenze · 8400 protec StateLine · Reference manual · DMS 4.2 EN · 03/2013 · TD05
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
17.1.11 L_Compare_2
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
C00685 Function selection
1 nIn1 = nIn2
2 nIn1 > nIn2
3 nIn1 < nIn2
4 |nIn1| = |nIn2|
5 |nIn1| > |nIn2|
6 |nIn1| < |nIn2|
C00686 0.00 % 100.00 Hysteresis
• Lenze setting: 0.50 %
C00687 0.00 % 100.00 Window
• Lenze setting: 2.00 %

For a detailed functional description see L_Compare_1 .
/B&RPSDUHB
Q,QBD E2XW
Q,QBD
& )XQFWLRQ
&
&