Siemens 6ED1050-1AA00-0BE8 User Manual

Page of 372
LOGO! functions 
 
4.4 Special functions list - SF 
 
LOGO! 
248
 
Manual, 04/2011, A5E03556174-01 
Setting the Par parameter (0BA7) 
View in programming mode (example): 
%\WHLQGH[
%5
4 6
5HWHQWLYLW\HQDEOHG
<RXFDQVHOHFWDE\WHLQGH[IURPWR
<RXFDQVHOHFWDELWQXPEHUIURPWR
 
The view above indicates that the configured shift register bit is S4.8. 
This special function is not available in parameter assignment mode. 
4.4.28 
Analog multiplexer 
Short description 
This special function outputs one of four predefined analog values or 0 at the analog output.    
 
Symbol in LOGO! 
Wiring 
Description 
Input En 
A change in status from 0 to 1 at input En (Enable) 
switches a parameterized analog value to the output 
AQ, depending on the value of S1 and S2. 
Inputs S1 and S2 
S1 and S2 (selectors) for selecting the analog value 
to be issued. 
• 
S1 = 0 and S2 = 0:  
Value 1 is issued 
• 
S1 = 0 and S2 = 1:  
Value 2 is issued 
• 
S1 = 1 and S2 = 0:  
Value 3 is issued 
• 
S1 = 1 and S2 = 1:  
Value 4 is issued 
Parameter 
V1...V4: Analog values that will be issued. 
 Range of values: -32768...+32767 
p: Number of decimals 
 Range of values: 0, 1, 2, 3 
$ᇄ
$4
(Q
6
6
3DU
 
Output AQ 
This special function has an analog output. This 
output can only be connected with the analog input of 
a function, an analog flag or an analog output 
connector (AQ1, AQ2).  
Range of values for AQ: 
-32768...+32767