Connecting
3.1 Terminal assignment
CPU 1513R-1 PN (6ES7513-1RL00-0AB0)
26 Equipment Manual, 05/2021, A5E42009333-AC
PROFINET interface X1 with 2-port switch (X1 P1 R and X1 P2 R)
The assignment corresponds to the Ethernet standard for a RJ45 connector.
• When autonegotiation is deactivated, the RJ45 socket is allocated as a switch (MDI-X).
• When autonegotiation is activated, autocrossing is in effect and the RJ45 socket is
allocated either as data terminal equipment (MDI) or a switch (MDI-X).
Figure 3-1 Interface assignments
Additional information
You can find additional information on the topic of "Connecting the CPU" and on the topic
"Accessories/spare parts" in the system manual for Redundant System S7-1500R/H
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
Assignment of the MAC addresses
CPU 1513R-1 PN has a PROFINET interface with two ports for each CPU. The PROFINET
interface itself has a MAC address, and each of the two PROFINET ports has its own MAC
address. There are a total of six MAC addresses for the two CPUs of the CPU 1513R-1 PN.
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 addresses are
printed on the rating plate on the right side of each CPU 1513R-1 PN.
The table below shows how the MAC addresses are assigned.
Table 3- 2 Assignment of MAC addresses using the example of a single CPU
(visible in STEP 7 for accessible devices)
• Front printed
• Right-side printed
(start of number range)
Port X1 P1 R (required for LLDP, for example)
Port X1 P2 R (required for LLDP, for example)
• Right-side printed
(end of number range)
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