Device maintenance and repair
8.3 Removing and installing hardware
136
8.3.5 Replacing the processor
Requirement
• You know the important safety instructions under "Safety instructions on device and
system extensions (Page 47)".
• An original spare part, i.e. a processor of the same type. You can find information on spare
parts under "Hardware accessories (Page 32)".
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.
• Crosshead screwdriver Philips PH1
Procedure
1. Fully disconnect the device from the line voltage, see "Switching off the device (Page 74)".
2. Open the device. Be sure to follow the important instructions under "Open the device
(Page 93)".
3. Remove the heat sink of the processor.
4. Lift the release lever ④ and release the processor bracket ①.
5. Carefully lift the release lever ④ upwards. When doing so, ensure that you do not let go of
the release lever.
I
llustration of processor socket without processor
Workstation SIMATIC IPC RW-545A Operating
Instructions, 08/2023, A5E52943278-AA
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