Chapter 1. Introduction
16 PACSystems* RX3i & RSTi-EP PROFINET IO-Controller User Manual GFK-2571N
1.6.2 Basic System: One RX3i CPU and One PROFINET Controller using
a single port
Figure 6 shows a basic system with one PACSystems RX3i CPU node having one PROFINET Controller, and one
PROFINET network with three VersaMax Scanners and one third-party IO-Device. Up to 128 IO-Devices can be
installed on an RX3i PROFINET network. The VersaMax PNS and many types of third-party IO-Devices interface
multiple devices such as I/O modules to the PROFINET network.