Siemens SIMATIC S5 Manual page 25

2 Engineering
2. Network the CP1543-1 with an Industrial Ethernet/subnet. For this, open the
"Device overview" in the TIA project and select the CP1543-1. Under
"General" > "Ethernet addresses", enter the IP address and the subnet mask
for your CP1543-1.
3. In the "General" tab, go to "Options" > "FETCH/WRITE configuration" to enable
the "FETCH/WRITE configuration" option and disable the S7 addressing mode
[S5 addressing mode] in the TSAP list.
Ethernet Communication (ISO on TCP) between SIMATIC S5 and
SIMATIC S7-1500 Controllers
Entry-ID: 109482475, V1.2, 07/2019
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