Siemens SIMATIC S7-1500 CPU 1511-1 PN Equipment Manual page 32

Connecting up
The table below shows how the MAC addresses are assigned.
Table 4-2 Assignment of the MAC addresses
MAC address 1
MAC address 2
MAC address 3
Block diagram
The following figure shows the block diagram of the CPU 1511-1 PN.
① CPU with control and operating mode
buttons
② Electronics
③ PROFINET 2-port switch
32
Assignment
PROFINET interface X1
(visible in STEP 7 in accessible devices)
Port X1 P1R (required for LLDP, for
example)
Port X1 P2R (required for LLDP, for
example)
1
X50
SA
2
3
X1 P1 X1 P2
PN PN
X1 P1R X1 P2R
X80 24 V DC Infeed of supply voltage
L+
M
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)
R/S ER MT
4
5
X80 DC 24 V
L+
M
24 V DC supply voltage
Ground
CPU 1511-1 PN (6ES7511-1AL03-0AB0)
Equipment Manual, 11/2022, A5E40869673-AC