NCM S7 Diagnostics
186 SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
6.5 Call-Specific Diagnostic Functions

The following table shows the diagnostic options that exist in the available

functions.

Table 6-3 General Diagnostic and Statistical Functions
Diagnostic
Functions /
Diagnostic Object
Diagnostic Aims Special Features
CP information The aim is to identify the CP to which
NCM S7 Diagnostics is connected and
to find out the current mode.
Mode Here, the aim is to find out the current
operating mode of the Ethernet CP as a
module in the S7-300/400 and as a node
on Industrial Ethernet and, if necessary,
to modify the mode (menu command
Operating Mode"Stop Module / Start
Module / Reset Memory / Reset to
Factory Settings).
Diagnostic buffer General Error Diagnostics Using
Diagnostic Buffers:
To display and decode event messages
recorded on the CP in detail. The
diagnostic buffer provides you with
detailed information about all the
communication services of the CP.
Event messages are recorded on the CP
in a ring buffer. The ring buffer can
contain up to 50 entries.
In NCM S7, on the other hand, up to 500
messages can be saved!
All the CP functions can generate event
messages. When you call the diagnostic
object, the messages are read out and
displayed. The latest message is
displayed in the top line with the highest
consecutive number.
If you double-click a previously selected
event message, you display a help text
explaining the message in greater detail.
Table 6-4 Mode-Dependent Functions
Diagnostic
Functions /
Diagnostic Object
Diagnostic Aims Special Features
To display and monitor communication connections. You obtain an overview or detailed information in the
contents area depending on the diagnostic object you select.
Connections SOverview of All Connection Types
Used By double-clicking the objects in the
contents area, you can display detailed
information.