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Commands
2014-
02
49
Figure 7.1
7.5.7
Topology detection
To avoid extra effort during commissioning and diagnosis, PROFINET defines a process for
topology detection, which displays the system topology graphically in the higher-level
controller. The data for representing the topology is stored in the
P
hysical
Dev
ice (PDEV) of the
IDENTControl device.
Using the example of the Step7 software from Siemens, you see an engineering tool that offers
you options for topology detection using a topology editor.
You can display the interconnections of the PROFINET devices connected to the network in the
hardware configuration HW Config. The connected devices must be integrated with the second
D
evice
A
ccess
P
oint (DAP2). The following diagram shows an IC-KP2-2HB17-2V1D with 2
PDEV.