Ethernet Communication (ISO on TCP) between SIMATIC S5 and
SIMATIC S7-1500 Controllers
Entry-ID: 109482475, V1.2, 07/2019
2.8.4 Connection configuration in the S7-1500 CPU
Prerequisites
All network-side settings of the S7-1500 CPU and of the CP1543-1 used in TIA
Portal are structured identically for all scenarios.
For the corresponding configuration steps, proceed as described in chapter 2.2.4
steps 1 and 2 of scenario 1 and complete the configuration following the steps
described in the next section.
Configuration
In this scenario 5, all required connection parameters of an ISO-on-TCP
connection are pre-assigned and set up via the user program.
The CONNECT parameter of the OUC block TSEND_C is used to configure the
predefined structure (TCON_IP_RFC) of an ISO-on-TCP connection as follows.
3. Create a data block and add a tag of data type "TCON_IP_RFC”. The default
settings for scenario 3 have to be parameterized as follows.
– Enter die module address of the S7-1500 CPU (in this case: 64) for the
"InterfaceId” tag (1).
– Enter the connection number (in this case: 6) for the "ID” tag (2).
– The value "16#0C” of the "ConnectionType” tag (3) defines the connection
type "ISO-on-TCP”.
– Enter the value "true” for the "ActiveEstablished” tag (4) to define the active
connection establishment of the S7-1500 station.
– Enter the IP address of the partner (in this case: of the CP1430 TCP) in the
"RemoteAddress” field (5).
– Enter the remote TSAP (in this case: 43 50 55 5F 31 35 30 63 (hex)
"CPU_150c” (ASC)) and the local TSAP (in this case: 43 50 55 5F 31 35
30 63 (hex) "CPU_150c” (ASC)) in the fields "RemoteTSelector” (6) and
"LocalTSelector” (7), respectively.
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