Siemens LOGO! 24RC Manual page 49

Translated into the LOGO! program, this means: Relay K1
(in LOGO! via output Q1) is controlled by an OR block.
Program
I1 and I2 are connected to the input of the OR block, S1 to
I1 and S2 to I2.
Thus, the program in LOGO! looks like this:
I1
I2
x
Wiring
The wiring is as follows:
L1
N
L
N
Switch S1 acts on input I1 and switch S2 on input I2. The
consumer is connected to relay Q1.
LOGO! Manual
A5E00067781 01
1
Q1
S1
L1 N
SIEMENS
Q1 Q2
Programming LOGO!
S2
I1 I2 I3 I4 I5 I6
Q3 Q4
41