7.18.4.7 Status of connections
Overview
Topic  Detailed information Called with Additional information
Connection 
status (OS-AS)
Connection between WinCC 
and an automation system 
Status - logical connections, 
current status of the process 
interface
Only when OS is in 
process mode: in the 
menu of the WinCC 
Explorer. Options > 
Status of Connections
Online help for 
WinCC 
Information System
, topic: 
"Checking the status of the 
connection"
OS 
connections 
(server - client)
Collective status of the 
connection diagnostics of the 
local client
See the section titled 
"Status of multi-user 
operation (Page 104)" 
 
7.18.4.8 Area overview
Overview       
Information on Detailed information Called with Additional information
Redundancy 
status of the OS 
server on the OS 
client 
Visual representation of the 
redundancy monitoring
Green indicator: 
● The monitored OS 
servers are in process 
mode and have the 
status "OK".
Red indicator:
● Not all the monitored 
servers are in process 
mode.
● Not all the monitored 
OS servers have the 
status "OK".
● Not all the monitored 
OS servers have a 
correct network 
connection.
No indicator:
● The process 
"CCEmergencyWatchR
TServer.exe" is missing 
in the startup list on the 
OS client.
● No server data is loaded 
on the OS client.
Click the "Status of 
the connected 
server" icon in the 
area overview in 
process mode
Online help 
WinCC 
Information System
 
Diagnostics in PCS 7
7.18 Diagnostic tools
Service support and diagnostics (V8.0)
Service Manual, 03/2012, A5E02779775-02 105