Siemens SIMATIC IPC RW-543A Operating Instructions Manual page 69

3. Remove the highlighted screws.
The fourth screw is hidden by the heat sink in the figure.
4. Remove the heat sink.
5. Unlock the socket and lift the socket cover.
6. Remove the processor.
7. Install the new processor on the socket, as shown in the figure.
When installing the CPU, make sure you aligned the highlighted arrow on the processor
with pin 1 in the CPU socket.
SIMATIC IPC RW-543A
Operating Instructions, 03/2023, A5E52332059-AA
Device maintenance and repair
7.3 Removing and installing hardware
69