Siemens SIMATIC ET 200AL System Manual page 1081

Distributed i/o system

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5.2 Intelligent IO devices (I-devices)

I-device with two ports

With an I-device with two ports, connect one port, uncoupled from the higher-level IO

system, to the port of the PROFINET switch. Use the second port for the lower-level IO

system as shown in the following figure.

I-device with two ports

PROFINET with STEP 7 V15

Function Manual, 12/2017, A5E03444486-AH

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