Siemens Simatic S7-400 - Manual (Page 245)

Analog Modules
5-29
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Replugging Measuring Range Modules
If you want to replug a measuring range module, perform the following steps:
1. Use a screwdriver to ease the measuring range module out of the analog input
module.
Figure 5-1 Levering the Measuring Range Module out of the Analog Input Module