Status Displays - Siemens SIMATIC PC 847B Operating Instructions Manual

Description
3.6 Installation
3.6.4

Status displays

Front status displays
Display
POWER
HDD
ETHERNET 1 *
ETHERNET 2 *
PROFIBUS/MPI
(optional)
22
Meaning
PC status display
Display for hard disk
access
ETHERNET status
display
ETHERNET status
display
Display of the
communication status to
S7 or PROFIBUS
LEDs Description
OFF isolated from mains
YELLOW Standby (hibernating)
GREEN PC in operation
OFF no access
GREEN Access
No connection
OFF •
No data traffic
•
GREEN Data traffic
No connection
OFF •
No data traffic
•
GREEN Data traffic
No connection
OFF •
No data traffic
•
GREEN Data traffic
Operating Instructions, 06/2008, A5E02203168-01
SIMATIC Rack PC 847B