Siemens S7-400 - Removing Memory Cards from the Cpus

Assembling the M7-400
8-55
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
3
2
5
Slot 1
Slot 2
4
Figure 8-28 Removing Memory Cards from the CPUs
Note
The connectors to accept the memory cards are coded (see Figure 8-29).
Do not apply force when fitting the memory cards.
3.3 V DRAM memory card
(for main memory)
Recess
Slots 1 and 2
Figure 8-29 3.3 V Memory Card