GE PACSystems* RX3i, Secure Deployment Manual

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Chapter 3. Communication Requirements
GFK-2904D July 2018 11
Using an I/O Device
Using PROFINET I/O as part of the control application requires that all of the following communication paths be
supported throughout the life of the application.
Protocol I/O Controller I/O Devices
DCE/RPC Client Server
DCE/RPC Server Client
PROFINET DCP Client Server
PROFINET I/O Bi-directional Bi-directional
In addition, if the PROFINET network is configured to support Media Redundancy (which requires a ring
physical topology) then the following application protocol must also be supported.
Protocol I/O Controller I/O Device
MRP Bi-directional Bi-directional