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LOGO! functions
4.4 Special functions list - SF
4.4.26

Analog Multiplexer

Short description
This special function outputs one of four predefined analog values or 0 at the analog output.
Symbol in LOGO!
194
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.
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
Output AQ
This special function has an analog output. This out-
put can only be connected with the analog input of a
function, an analog flag or an analog output connect-
or (AQ1, AQ2).
Range of values for AQ:
-32768...+32767
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
Manual, 10/2017, A5E01248535-AA
LOGO!

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