Siemens Simantic Net NCM for Industrial Ethernet S7 - Manual (Page 89)

Configuring Communication Connections
89
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
Requirements for Configuring Connections
The Ethernet CP was entered in the hardware configuration and connected to the
subnet.
As a bus node, the Ethernet CP has an address.
Notice
All stations not in the STEP 7 project must be configured with substitute objects
(for example as “SIMATIC S5” or “Other stations”).
or
Use the “unspecified” partner type when you create the connection.