Siemens SIMATIC S7-400 Reference Manual page 190

Analog modules
5.5 Setting the measuring method and ranges of analog input channels
Replugging measuring range modules
To reconnect a measuring range module:
Graphic
190
Description
Use a screwdriver to lever the measur‐
ing range module out of the analog in‐
put module.
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08