Siemens S7-1500 User Manual page 27

The table below shows how the MAC addresses are assigned.
Table 3- 1 Assignment of the MAC addresses
MAC address 1
MAC address 2
MAC address 3
CPU 1511T-1 PN (6ES7511-1TK01-0AB0)
Manual, 09/2016, A5E36270833-AA
Assignment
PROFINET interface X1
(visible in STEP 7 for accessible devices)
Port X1 P1 R (required for LLDP, for example)
Port X1 P2 R (required for LLDP, for example)
Labeling
Front, lasered
•
Right side, lasered
•
(start of number range)
Front and right side, not lasered
•
Front, not lasered
•
Right side, lasered
•
(end of number range)
Wiring
3.1 Pin assignment
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