Analog Multiplexer - Siemens Logo! Manual

LOGO! functions

4.4.26 Analog Multiplexer

Short description
This special function displays 0 or one of 4 saved analog
values on the analog output.
Symbol in
LOGO!
216
Wiring
Input En
Inputs S1 and
S2
Description
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.
S1 and S2 (selectors) for
selecting the analog value
to be issued.
S
S1 = 0 and S2 = 0:
Value 1 is issued
S
S1 = 0 and S2 = 1:
Value 2 is issued
S
S1 = 1 and S2 = 0:
Value 3 is issued
S
S1 = 1 and S2 = 1:
Value 4 is issued
LOGO! Manual
A5E00380835-01