Functional Principle Of The Switching Program - Siemens LOGO! 8 Manual

2 Setup and description
2.3.2

Functional principle of the switching program

The following figure provides an overview of the entire switching program for the
time switch function. The individual positions (1) to (4) will be discussed during the
course of this chapter.
Figure 2-4: Overview switching program
The following table shows the input and output signals of the time switch function:
Table 2-3: Signals in the LOGO!
Signals
Input I1
Function key F1
Flag M50
Input I2
Function key F2
Flag M51
Output Q1
Time Switch Function
Entry ID: 109745699, V1.0,
1
3
Function
Central switching on of
output Q1
Central switching off of
output Q1
Output signal of the
time switch function
04/2017
4
2
Description
Button on the LOGO!
LOGO! TDE or, alternatively, via the
LOGO! web server
Connection to KNX
Button on the LOGO!
LOGO! TDE or, alternatively, via the
LOGO! web server
Connection to KNX
Switching of a load (e.g. a lamp) and
connection to KNX (e.g. actuator)
9