Siemens Simantic S7-1500 - PROFINET MAC Address Assignment

Wiring
CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0)
32 Manual, 12/2017, A5E36285525-AB
Assignment of the MAC addresses
CPU 1517T-3 PN/DP has two PROFINET interfaces. The first interface has two ports. Each
of the PROFINET interfaces has a MAC address and each of the PROFINET ports has its
own MAC address. In total, the CPU 1517T-3 PN/DP has five MAC addresses.
The MAC addresses of the PROFINET ports are needed for the LLDP protocol, for example
for the neighborhood discovery function.
The number range of the MAC addresses is sequential. The first and last MAC address are
lasered on the rating plate on the right side of each CPU 1517T-3 PN/DP.
The table below shows how the MAC addresses are assigned.
Table 3- 2 Assignment of the MAC addresses
Assignment
Labeling
MAC address 1
PROFINET interface X1
(visible in STEP 7 for accessible devices)
• Front, lasered
• Right side, lasered
(start of number range)
MAC address 2
Port X1 P1 R (required for LLDP, for example)
• Front and right side, not lasered
MAC address 3
Port X1 P2 R (required for LLDP, for example)
• Front and right side, not lasered
MAC address 4
PROFINET interface X2
(visible in STEP 7 for accessible devices)
• Front, lasered
• Right side, not lasered
MAC address 5
Port X2 P1 (required for LLDP, for example)
• Front, not lasered
• Right side, lasered
(start of number range)