Siemens SIMATIC IPC647E Operating Instructions Manual page 77

• T10 screwdriver
• Components for installing the hardware RAID adapter card. Your local SIEMENS contact
person will provide you with information on these components.
NOTICE
Capacitor block must be discharged
The original SIEMENS replacement part is supplied with a 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 (Page 66)".
3. Wait at least 10 minutes.
4. Only remove the connector when the yellow LED is extinguished.
SIMATIC IPC647E
Operating Instructions, 09/2022, A5E52254141-AA
① Capacitor block with capacitor block line
② Hardware RAID adapter card, see "Technical specifications of the hardware RAID adapter
card (Page 168)"
③ Adapter cable: numbered connections to drives
④ Adapter cable: Connection to the hardware RAID adapter card
If the capacitor is not discharged, a yellow LED close to the connector lights up.
Operating the device
5.4 RAID systems
77