Siemens S7-300 Configuration Manual page 190

Web diagnostics
11.3 Diagnostics pages of the CP
Table 11- 3
Connection
green
red
yellow
①
Configured and accessible PROFINET nodes
Configured and accessible PROFINET nodes are displayed in dark gray. Display the ports
used to connect the PROFINET nodes of a station.
190
Meaning of the colored connections in the target/actual topology:
Target topology
The current actual connection matches the configured target
connection.
Mismatch between the current actual connection and the
configured target connection (e.g., port interchanged).
Connection diagnostics not possible. Causes:
Malfunction of communication with a device (e.g. cable
•
was removed)
Connection to a passive component
•
Connection to devices/PROFINET devices on a different
•
IO controller or IO subsystem.
Meaning
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Actual topology
Connections detected
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-