Ethernet Communication (ISO on TCP) between SIMATIC S5 and
SIMATIC S7-1500 Controllers
Entry-ID: 109482475, V1.2, 07/2019
© Siemens AG
2019 All rights reserved
Hardware setup
The figure below shows the complete hardware setup of the example.
SIMATIC S5-115U station
CP 1430 TCP
SIMATIC S7-1500 station
CPU 944
CP 1543-1
CPU 1516-3PN
Industrial Ethernet
TIA Portal
STEP 7 V 13
RS232/TTY
PG
Engineering stations
OUC: Open User Communication
PM 70W
Scalance
X208
230 V AC
230 V AC
STEP 5
NCM COM 1430TCP
PG
24 V DC
The following table includes the overview of all IP addresses used in this example
for the SIMATIC S7-1500 and the SIMATIC S5. A fixed configuration of the IP
addresses is required.
The subnet mask is 255.255.0.0 in all network components.
Table 2-2
140.140.111.102 (port X1)
140.140.111.103 (port X1)
Programming device with
STEP5 and NCM COM
1430TCP
Programming device with
TIA Portal
In general, the installation guidelines of all components have to be observed.
Please observe the installation and connection guidelines from the
corresponding manuals of the components used.