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5 Installation / Preparation for Commissioning
PROFINET supports linear, tree or star structures. The bus or linear structure used in the field buses
is thus also available for Ethernet.
For transmission according to the 100Base-TX Fast Ethernet standard, network cables and plug
connectors in category STP CAT5 must be used (2 x 2 shielded twisted pair copper wire cables). The
cables are designed for bit rates of up to 100 MBit/s. The transmission speed is automatically detected
by the measuring system and does not have to be set by means of a switch.
Addressing by switch is also not necessary; this is done automatically using the addressing options of
the PROFINET controller.
The cable length between two nodes may be max. 100 m.
For IRT communication the topology is configured in a connection table. Correct
connection of ports 1 and 2 must be ensured.
This is not the case for RT communication, which can be freely wired.
To ensure safe and fault-free operation, the
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must be observed!
In particular the EMC directive in its valid version must be observed!
5.1 Connection – notes
Mainly, the electrical characteristics are defined by the variable connection technique and are defined
by the device-specific pin assignment.
The connection can be made only in connection with the device specific pin
assignment!
At the delivery of the measuring system one device specific pin assignment in
printed form is enclosed and it can be downloaded afterwards from the page
„www.tr-electronic.com/service/downloads/pin-assignments.html". The number of the
pin assignment is noted on the nameplate of the measuring system.
Printed in the Federal Republic of Germany
07/21/2022
PROFINET Design Guidelines, PNO order no.: 8.062
PROFINET Installation Guidelines, PNO order no.: 8.072
PROFINET Commissioning Guidelines, PNO order no.: 8.082
and the standards and PNO documents referenced therein
TR-ECE-BA-DGB-0132 v21
TR-Electronic GmbH 2017, All Rights Reserved
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