Siemens SIMATIC S7-155R/H Equipment Manual page 27

Connecting
3.1 Terminal assignment
The table below shows how the MAC addresses are assigned.
Table 3- 2 Distribution of the MAC addresses of a CPU
Assignment
MAC address 1
PROFINET interface X1
(visible in STEP 7 when devices are accessible)
MAC address 2 Port X1 P1 R (required for LLDP, for example)
MAC address 3
Port X1 P2 R (required for LLDP, for example)
MAC address 4
PROFINET interface X2
(visible in STEP 7 when devices are accessible)
MAC address 5
Port X2 P1 (required for LLDP, for example)
MAC address 6
PROFINET interface X3
(visible in STEP 7 when devices are accessible)
MAC address 7 Port X3 P1 (required for LLDP, for example)
MAC address 8
H-Sync interface X4
MAC address 9
Port X4 P1
MAC address 10 H-Sync interface X5
MAC address 11
Port X5 P1
26
Labeling
• Front printed
• Right-side printed
(start of number range)
---
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• Front printed
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• Front printed
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• Front printed
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• Front printed
• Right-side printed
(end of number range)
CPU 1518HF-4 PN (6ES7518-4JP00-0AB0)
Equipment Manual, 05/2021, A5E49868646-AA