Siemens SIMATIC S7-1500 Function Manual page 62

3. In the "Go online" dialog, make the following settings for your online connection:
– Select interface type (e.g. PN/IE) in the "Type of PG/PC interface" drop-down list.
– In the "PG/PC interface" drop-down list, select the PG/PC interface (e.g. Ind. Ethernet
– Select the interface or the S7 subnet with which the programming device/PC is
– If the communication-capable module can be reached via an S7 router (gateway),
Figure 4-1 Setting up PG communication
Communication
Function Manual, 11/2019, A5E03735815-AH
card) you want to use to establish the online connection.
physically connected from the "Connection to interface/subnet" drop-down list.
select the S7 router that connects the subnets in question from the "1st gateway"
drop-down list.
PG communication
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