Replacing The Processor - Siemens SIMATIC IPC847E Operating Instructions Manual

Device maintenance and repair
7.3 Removing and installing hardware
7.3.8

Replacing the processor

Requirement
● The device is fully disconnected from the line voltage, see "Switching off the device
(Page 60)".
● The device is open, see important information in "Open the device (Page 89)".
● An original spare part, i.e. a processor of the same type.
Only an approved processor is permitted to be installed on the motherboard.
Procedure
1. Remove the bus board, see "Replacing the bus board (Page 143)".
2. Remove the heat sink of the processor.
3. Unlock the socket and lift the socket cover.
4. Remove the processor.
5. Place the new processor in the socket.
During positioning, make sure to take the highlighted arrow on the processor into
consideration.
6. Lock the processor in place.
7. Install the heat sink of the processor again.
8. Install the bus board again.
144
NOTICE
Damage to the processor
If the processor is operated with a higher clock frequency than permitted, it can be
destroyed or cause loss of data.
• Operate the processor only at a clock frequency that is equal to or less than the
permitted clock frequency.
Operating Instructions, 10/2018, A5E43920357-AA
SIMATIC IPC847E