Product description
1.4 External design of the device
SIMATIC IPC847E
28 Operating Instructions, 10/2018, A5E43920357-AA
Status display of redundant power supply
Status LED (see
marking)
Status of the power
supply module
OFF
• Module is out of service, no redundancy in
effect.
GREEN
• The module is in operation and function-
ing.
• Redundancy is in effect when both mod-
ules are operating.
RED
• Module failed, no redundancy in effect.
Status displays on removable tray for drives
①
Power Status of the
removable tray
OFF
• Device switched off
• Power supply not connected
• No drive installed
Lit
• Device is switched on and a drive is in-
stalled
②
Activity Status of the
drive
Flashes
• Drive is active
OFF
• Drive is not active