Installation of a CPU 41x-H
4-23
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
Note
The connectors to accept the memory cards are coded (see Figure 4-5). Do not
apply force when fitting the memory cards.
Lightly press the guide supports out to remove the memory cards (see Figure 4-5).
Slot 1
Slot 2
Figure 4-4 Fitting memory cards in the CPUs
Memory card
Cutout
Slots 1 and 2
Reverse
polarity
protection
Cutout
Copper flag
Guide support
Guide support
Figure 4-5 Memory card