GE PACSystems RX3i - Using an I;O Device

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