Siemens SIMATIC ET 200AL System Manual page 20

Application planning
3.2 Configuration variants with ET-Connection
3.2 Configuration variants with ET-Connection
3.2.1 ET 200AL with ET-Connection
Every ET 200AL interface module has 2 ET-Connection connections
From every ET-Connection, you have the option to set up a line with a maximum of 16
ET 200AL I/O modules.
ET-Connection1
The figure below shows a configuration in the IP65/IP67 environment with one ET-
Connection line.
Figure 3-1
18
ET 200AL with ET-Connection1
Distributed I/O system
System Manual, 02/2018, A5E31861578-AF