Siemens SIMATIC S5 Manual page 31

2 Engineering
The configured IP address has to be selected according to the connections
Note
created for the S7-1500/ CP1543-1.
8. To do this, go to "Edit" >"Connections" and select the option "Transport
Connection (TCP/RFC1006)" (1).
Now, enter the following parameters in the input window.
9. For this example, two ISO-on-TCP connections (transport connections RFC
1006) are required. For each of them, the job types "FETCH" and "WRITE"
have to be set respectively. Both connections are configured as active
connections.
For the FETCH connection, set the job number ANR "113" under (1), the job
type "FETCH" under (2) and the R/W identifier to "Y" under (3).
Under "Transport addresses" (4), enter the local TSAP "CP1543-F" and under
(5) the remote TSAP "CP1543-F". Under the "Active/passive" parameter (6),
set the way the connection is established to "A" (active).
Click on "OK" (F7) to confirm the settings.
Ethernet Communication (ISO on TCP) between SIMATIC S5 and
SIMATIC S7-1500 Controllers
Entry-ID: 109482475, V1.2,
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