Siemens SIMATIC IPC647E Operating Instructions Manual page 144

Device maintenance and repair
7.3 Removing and installing hardware
5. Carefully remove the processor.
Note
The contact springs of the base are very sensitive.
Take care not to damage these contact springs both when removing and inserting the
processor.
Always touch the contact springs only flat with the contact side of the processor.
6. Place the new processor in the socket.
Note the arrow on the processor when positioning.
7. Lock the processor in place.
8. Install the heat sink of the processor again.
9. Close the device.
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Operating Instructions, 09/2022, A5E52254141-AA
SIMATIC IPC647E