Replacing The Processor - Siemens SIMATIC IPC647E Operating Instructions Manual

7.3.6

Replacing the processor

Requirement
• You know the important safety instructions under "Safety instructions on device and
system extensions (Page 46)".
• An original spare part, i.e. a processor of the same type. For information on replacement
parts, refer to "Hardware accessories (Page 31)".
• Cross-tip screwdriver: PH1
Procedure
1. Fully disconnect the device from the line voltage, see "Switching off the device (Page 66)".
2. Open the device. Be sure to follow the important instructions under "Open the device
(Page 97)".
3. Remove the heat sink of the processor. You can find information on the position of the heat
sink in "Internal construction of the device (Page 30)".
4. Unlock the socket and lift the socket cover.
SIMATIC IPC647E
Operating Instructions, 09/2022, A5E52254141-AA
NOTICE
Damage to the processor
If the CPU is operated with a higher clock frequency than permitted, it can be destroyed.
This leads to data loss.
• Operate the processor only at a clock frequency that is equal to or less than the
permitted clock frequency.
• You should therefore only install an approved processor.
Device maintenance and repair
7.3 Removing and installing hardware
143