Siemens LOGO! 230 RC - 3.4 Basic functions

17
LOGO! manual
EWA 4NEB 712 6006-02
3.4 Basic functions
When you enter a circuit, you will find the blocks for basic functions in
the GF list. The following basic functions exist:
Circuit diagram
representation
Representation in
LOGO!
Basic function
Series connection
of normally open
contacts
AND
Parallel connection
of normally open
contacts
OR
Inverter
NOT
Double changeover
contact
XOR (exclusive or)
Parallel connection of
normally closed contacts
NAND (and not)
Series connection of nor-
mally closed contacts
NOR (or not)
Programming LOGO!