Siemens S7-300 - Insert the Memory Card into the CPU

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S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
A5E00203919-01
9-7
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You cannot insert a memory card into the CPUs 312 IFM and 314 IFM
(314-5AE0x). These CPUs are equipped with an integrated FEPROM load
memory.
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If you insert the memory card in a CPU mode other than STOP, the CPU will
switch to STOP mode and the STOP LED will flash at 2-second intervals to
request a memory reset.
1. Switch the CPU to STOP.
2. Is a Memory Card inserted? If so, ensure that it is not accessed by read or write
operations. If required, disconnect all communication connections or switch to
POWER OFF state. Then pull the memory card out of its slot in the CPU.
3. Insert the ("new") memory card into the slot in the CPU, making sure that the
insertion mark on the memory card points toward the mark on the top side of
the module slot .
4. Reset the CPU memory (see &RPPLVVLRQLQJWKHPRGXOHVUHVHWWLQJWKH&38
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Figure 9-2 Insert the memory card into the CPU