Performing An Online/Offline Topology Comparison - Siemens SIMATIC S7-1200 System Manual

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Online and diagnostic tools

15.12 Performing an online/offline topology comparison

Performing an online/offline topology comparison

From the topology overview in STEP 7, you can compare the configured offline topology with

the actual online topology.

To find the differences between the configured and thee actual topology, follow these steps:

1. Display the topology overview table of the topology view.

2. Click the "Offline/online comparison" button in the toolbar of the topology overview:

STEP 7 removes the "Partner station, "Partner interface" and "Cable data" columns in the

topology overview table and inserts comparison columns for "Status", and "Action". For each

device or port in the topology overview, the Status column displays the comparison status as

For each compared port or device, the Action column provides these possible choices:

To repeat the comparison, click the

For additional information on the topology view, the topology overview, and online/offline

topology comparisons, refer to the STEP 7 Information System. Also you can find additional

information in the PROFINET with STEP 7 V13 manual

(https://support.industry.siemens.com/cs/ww/en/view/49948856).

Differing topology in at least one lower-level component

Identical topology

Topology information is only available offline, or device is disabled

Topology information is only available online

Differing topology

Device does not support topology functions

No action possible

Adopt the online interconnection

toolbar button on the topology overview.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK