Siemens Industry Online Support
Siemens AG
Entry type: FAQ Entry ID: 22794082, Entry date: 10/23/2014

MICROMASTER 4 (MM4): Routing between PG/PC and MICROMASTER 4 with ISO-Industrial Ethernet

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Applies to MICROMASTER 4 with PROFIBUS Optionsmodule

Routing between PG/PC and MICROMASTER does not work although the PG/PC interface is set to ISO-Industrial Ethernet. What can I do?

To allow communication with Routing change the PG/PC Interface to "TCP/IP".

Open NetPro in your project.
Attached you find the procedure how to do it.

Ensure that your MICROMASTER and your PG/PC is connected-up as shown in the diagram


Next, your PG/PC must be assigned as shown in the next three screen shots.
Note: Please ensure that the checkmark for "Active" is set.

Right mouse click on PG/PC an choose assign PG/PC.


Choose your TCP/IP interface in tab assignment.

Checkmark S7ONLINE Access and confirm with Ok.


Now, the ROUTING should be active (this is shown by the yellow line).


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