Information on  Detailed information Called via Additional information
Faults on PRO‐
FIBUS
Only when a diagnostic repeat‐
er is used
PLC > PROFIBUS > 
Display Network Topol‐
ogy
 
Status of DP 
slaves
Display DP slaves in the net‐
work view
View > With DP Slaves  
8.18.3.2 NCM S7 Industrial Ethernet
Call     
In the Siemens SIMATIC programs Start menu: STEP 7 > NCM S7 Industrial Ethernet > 
Diagnostics
Overview
Information on Detailed information Called via Additional information
CP status Dynamic information about 
the operating mode of the 
communication functions of 
CPs connected online
Diagnostics > Online > 
Open Connection
Online help for 
STEP 7
, 
topic: "Hardware diagnos‐
tics"
Manual 
SIMATIC NET; 
NCM S7 for Industrial 
Ethernet
General CP diag‐
nostics and statis‐
tics functions
Operating mode
Scan event messages recor‐
ded in the Ethernet CP
Diagnostics > Online > 
Open Connection
 
Diagnostics func‐
tions depending 
on CP type and 
operating mode
ISO transport connections
ISO-on-TCP connections
TCP connections
UDP connections
E-mail connections
Diagnostics > Online > 
Open Connection
 
8.18.3.3 SCALANCE X-300/X-400 “Observer function”
Call
Called via Web Based Management or TELNET 
Diagnostics in PCS 7
8.18 Diagnostic tools
Service Support and Diagnostics (V8.2)
116 Service Manual, 03/2016, A5E36200111-AA