Siemens Simatic S7-1500 CPU 1512C-1 PN Посібник з експлуатації обладнання - Сторінка 31

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PROFINET interface X1 with 2-port switch (X1 P1R and X1 P2R)

The assignment corresponds to the Ethernet standard for an RJ45 plug.

• 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 4-1 PROFINET ports

NOTE

You need a screwdriver (max. blade width 2.5 mm) to remove the PROFINET plug.

Remove display

You can find a description of how to remove and replace the display in the S7‑1500,

ET 200MP (http://support.automation.siemens.com/WW/view/en/59191792) system manual.

Reference

You can find additional information on the topics of "Connecting the CPU" and

"Accessories/spare parts" in the S7-1500, ET 200MP

(http://support.automation.siemens.com/WW/view/en/59191792) system manual.

Assignment of the MAC addresses

The CPU has a PROFINET interface with two ports. The PROFINET interface itself has a MAC

address, and each of the two PROFINET ports has its own MAC address. The CPU therefore has

three MAC addresses in total.

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

lasered on the nameplate on the right side of each CPU.

CPU 1511-1 PN (6ES7511-1AL03-0AB0)

Equipment Manual, 11/2022, A5E40869673-AC

Connecting up