Siemens Simantic ET200SP System Manual page 59

Mount the dummy module
The figure below provides a schematic representation of how to implement measures for
improving interference immunity.
①
②
③
④
⑤
NOTICE
Ensure interference immunity
You must not plug any other module into the BaseUnit of the dummy module, otherwise
interference immunity is no longer ensured.
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
Interface module
Digital input module
Digital output module
Dummy module
Motor starter
4.2 Installation conditions for motor starters
⑥
Motor starter
⑦
Motor starter
⑧
Server module
⑨
Infeed bus cover
Installation
59