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Siemens 6ED1050-1AA00-0BE8 User Manual

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LOGO! functions 
 
4.4 Special functions list - SF 
 
LOGO! 
218
 
Manual, 04/2011, A5E03556174-01 
View in parameter assignment mode (example): 
$[
ෙ
2Q
%
4 $
[
!2Q
'LIIHUHQWLDOYDOXHIRUWKHRII
WKUHVKROG
2QWKUHVKROG
 
Press   
2II
%
2IIWKUHVKROG
 
4.4.20 
Analog comparator 
Short description 
The output is set and reset depending on the difference Ax - Ay and on two configurable 
thresholds.    
 
Symbol in LOGO! 
Wiring 
Description 
Inputs Ax and Ay 
Inputs Ax and Ay are one of the following analog 
signals:  
• 
AI1 to AI8 (*) 
• 
AM1 to AM6 (if 0BA6) or AM1 to AM16 (if 0BA7) 
• 
NAI1 to NAI32 (if 0BA7) 
• 
AQ1 to AQ2 
• 
NAQ1 to NAQ16 (if 0BA7) 
• 
Block number of a function with analog output 
Parameter 
A: Gain 
 Range of values: ±10.00 
B: Zero offset  
 Range of values: ±10,000 
On: On threshold 
 Range of values: ±20,000 
Off: Off threshold 
 Range of values: ±20,000 
p: Number of decimals 
 Range of values: 0, 1, 2, 3 
˂$
4
$[
$\
3DU
 
Output Q 
Q is set or reset, depending on the difference Ax - Ay 
and the set thresholds.. 
* AI1...AI8: 0...10 V corresponds with 0...1000 (internal value).