Siemens SIMATIC S7 Manual page 13

Parameterization
of the
Communication
Partner
OPEN MODBUS / TCP communication via CP343-1 and 443-1
2XV9450-1MB00; Manual edition 4.3
In the mode "CP is client" an "other station" is required for network
configuration.
After you have inserted the communication partner's station into your STEP7
project (as described in "Project components: Insert
have to specify the object properties of the external station.
1) Properties – Other Station
On the tab "Interfaces" click on "New". In the upcoming selection, select
"Industrial Ethernet" and click on "OK".
This opens a dialog box "Properties – Ethernet Interface". Enter an IP
Address that is in the same subnet as the communication partner's station.
The subnet mask should be the same as the one of the partner's station.
Select the associated subnet that connects the CP interface with the
communication partner's interface.
Click on the "OK" button. This will bring you back to the tab "Interfaces".
Interfaces
Commissioning
Other station") you
3-3