Siemens SIMATIC IPC847E Operating Instructions Manual page 75

NOTICE
Capacitor block must be discharged
The original Siemens spare part is supplied with discharged capacitor block.
When you remove or install a charged capacitor block, the Hardware RAID adapter card
may be damaged. Data loss may result.
Remove or install a capacitor block only in completely discharged condition.
Discharge an installed capacitor block as follows:
1. Shut down the operating system properly.
2. Fully disconnect the device from the line voltage, see "Switching off the device
3. Wait at least 10 minutes.
4. Only remove the connector when the yellow LED is extinguished.
Procedure
1. Open the device, read the important information on this under "Open the device
(Page 89)".
2. Follow the instructions under "Installing expansion cards (Page 91)".
Note the following:
– You can find information on the slot of the hardware RAID adapter card under "Slots
– Leave the slot in front of the hardware RAID adapter card free.
3. Connect the numbered connectors of the adapter cable
available.
The numbers of the connections correspond to the numbers of the drive mounting
locations, see "Drive cage type A (Page 17)".
Loosen the screw connection of the power supply unit, if necessary, and ensure that the
connector lock engages.
4. Run the connection of the adapter cable
the hardware RAID adapter card.
SIMATIC IPC847E
Operating Instructions, 10/2018, A5E43920357-AA
(Page 60)".
If the capacitor is not discharged, a yellow LED close to the connector lights up.
for expansion cards on the bus board (Page 182)".
5.4 Operating RAID systems
④
to the corresponding drives
⑤
to the front of the device and from there to
Operating the device
75