Device maintenance and repair
7.3 Removing and installing hardware
SIMATIC IPC847E
Operating Instructions, 10/2018, A5E43920357-AA
139
7.3.4
Changing a single power supply (AC)
Note
Conversion from a single power supply (AC) to a redundant power supply (AC) and vice
versa is not possible.
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 single power supply of the same type.
●
T10 screwdriver
●
Diagonal cutter
Procedure
1.
Disconnect the cables from the drives and the motherboard.
2.
Remove the cable ties securing the power cables in the enclosure.
3.
Remove the four fixing screws that are marked in the figure below.
4.
Pull the power supply upward and out of the housing.
5.
Install the new power supply.
6.
Fasten the power supply with the screws shown.
7.
Connect the cables to the drives and the motherboard.
8.
Use cable ties to reattach the power supply cables to the enclosure.
9.
Close the device.
10.
Check the safe state of the device.
11.
Switch on the power supply.