Siemens SIMATIC ET 200AL System Manual page 1229

PG communication
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
108
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.
Function Manual, 05/2021, A5E03735815-AJ
Communication