Installing the S7-400
2-30
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Attaching the Modules
Attach the modules one by one (1) and swing them carefully downwards (2). If you
feel a resistance when swinging the module down, raise it slightly and then
continue.
(1)
(2)
Figure 2-4 Attaching the Modules
Screwing the Modules in Place
Tightening torque
0.8 to 1.1 Nm
Figure 2-5 Screwing the Modules in Place
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