LOGO! Manual
A5E00380835-01
4
The LOGO! system offers you many solutions such as for
small domestic installations, simple automation tasks, and
even complex engineering tasks involving its integration
into a bus system (e.g. communication module AS inter-
face).
Note
LOGO! Basic may only be equipped with expansion mod-
ules of the same voltage class. Mechanical encoding pins
in the housing prevent you from connecting devices of a
different voltage class.
Exception: The left-hand interface of an analog module or
communication module is galvanically isolated.
This type of expansion module can therefore be connected
to devices of a different voltage class.
See also Chapter 2.1.
Each LOGO! Basic provides the following connections for
the creation of the circuit program, regardless of the num-
ber of connected modules:
Digital inputs I1 to I24
Analog inputs AI1 to AI8
Digital outputs Q1 to Q16
Analog outputs AQ1 and AQ2
Digital flag blocks M1 to M24, M8: Startup flag
Analog flag blocks AM1 to AM6
Shift register bits S1 to S8
4 cursor keys
16 blank outputs X1 to X16.
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