Siemens SIMATIC S7-400 Hardware And Installation Manual page 206

Assembling the M7-400
Attaching the Module Assembly
Attach the module assembly (1) and swing it downwards (2). Figure 8-12 shows
how to attach a module assembly onto a rack and swing it into position.
Note
Do not push the module assembly down whilst swinging it into position.
Figure 8-12 Attaching a Module Assembly Comprising CPU and Expansion Modules and Swinging it into
Position
8-24
www.gkbpx.com
1
2
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01