25 l_compare_3, 25 l_compare_3 0, L_compare_3 – Lenze 8400 User Manual
Page 1190: Window, 18 function library

18
Function library
18.1
Function blocks | L_Compare_3
1190
Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
18.1.25
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
Function selection
1 nIn1 = nIn2
2 nIn1 > nIn2
3 nIn1 < nIn2
4 |nIn1| = |nIn2|
5 |nIn1| > |nIn2|
6 |nIn1| < |nIn2|
0.00
%
100.00 Hysteresis
• Lenze setting: 0.50 %
0.00
%
100.00 Window
• Lenze setting: 2.00 %
For a detailed functional description see
/B&RPSDUHB
Q,QBD
E2XW
Q,QBD
& )XQFWLRQ
&
&