Fitting Memory Cards In The Cpus - Siemens S7-400 Installation Manual

Installing the S7-400
5. Fit the cover on the upper left side of the CPU by securing it with three screws.
Note
The connectors to accept the memory cards are coded (see Figure 2-4). Do not
apply force when fitting the memory cards.
Lightly press the guide supports out to remove the memory cards
(see Figure 2-4).
Slot 1
Slot 2
Figure 2-3

Fitting Memory Cards in the CPUs

Memory card
Cutout
Guide support
2-32
Copper flag
Polarity
reversal
protection
Slots 1 and 2
S7-400 and M7-400 Programmable Controllers Hardware and Installation
Cutout
Guide support
A5E00069481-04