Expanding and assigning parameters to the device
7.5 Main memory
SIMATIC IPC MD-57A
74 Operating Instructions, 09/2023, A5E52775302-AA
7.5 Main memory
7.5.1 Removing and installing memory modules
For the possible memory modules, see section "Features (Page 11)", Memory expansion.
Requirement
• The device is opened and de-energized, see section "Opening the device and switching off
the power (Page 63)".
Observe the ESD guidelines
The electronic components on the PCBS are highly sensitive to electrostatic discharge.
Always take appropriate precautionary measures when handling these components, see
section "ESD Guidelines (Page 92)".
Note
Only use memory modules from Siemens Aktiengesellschaft, as these are qualified and
approved for use in this device. You will find the order data in the catalog.
Procedure
Malfunctions on the device
Poor contact of the memory module can lead to malfunctions, e.g. the device no longer
boots, with consequential damage to people and machines.
• Ensure that the contacts on the memory module are protected against rotation (recess).
Ensure that the memory module is firmly inserted in the slot after installation.
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