Chapter 1. Introduction
GFK-2571N May 2018 17
1.6.3 Basic System: One RX3i CPU and One PROFINET Controller using
multiple ports
The illustration below shows a basic system with one PACSystems RX3i CPU node that has one RX3i PROFINET
Controller module controlling one PROFINET network. The network can connect up to 128 compatible IO-
Devices, including any combination of GE PROFINET Scanners and third-party IO-Devices.
Figure 7 shows one RX3i PROFINET Controller that is directly connected to four separate IO-Devices in a Star
topology. Although each IO-Device is connected to a separate Ethernet port on the PNC001, they are all on the
same network segment (IO LAN1). The IO-Devices in this example are all VersaMax PROFINET Scanners, but
RX3i PROFINET Scanners (PNS001) and third-party IO-Devices may also be used.
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