Siemens S7-400 Manual de Serviço descarregar pdf (Página 149)

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101

Configuring PROFINET IO Devices

Configuring Hardware and Communication Connections with STEP 7

A5E00706939-01

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Structured device names

You can also structure the device name according to DNS conventions. To help

you in structuring the names, use a period (".") as shown.

...<Subdomain Name>.<Domain Name>.<Top Level Domain Name>

STEP 7 supports you here by providing a prompt-driven dialog for using the name

of the IO system in the device name:

You can set the name of the IO system at central location in the property dialog of

the IO system.

When you copy an IO device to another IO system, STEP automatically applies the

name of the IO system into which the device was inserted.

Device number

In addition to the device name, STEP 7 assigns a device number to the device

when it is inserted. These numbers start with "1".

These device numbers are used to identify IO devices (e.g. SFC 71 "LOG_GEO")

in the user program. Unlike the device name, the device number is not visible in the

user program.

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