Siemens S7-400 - Memory Card

Maintenance
7-21
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
Note
The connectors to accept the memory cards are coded (see Figure 7-2). Do not
apply force when fitting the memory cards.
Lightly press the guide supports out to remove the memory cards
(see Figure 7-2).
Memory card
Cutout
Slots 1 and 2
Polarity
reversal
protection
Cutout
Copper flag
Guide support
Guide support
Figure 7-2 Memory Card