Chapter 1. Introduction
14 PACSystems* RX3i & RSTi-EP PROFINET IO-Controller User Manual GFK-2571N
1.6 PROFINET Networks for PACSystems
PROFINET is an open standard for industrial automation that is based on Industrial Ethernet. The PROFINET IO
framework allows the creation of I/O data exchanges between controllers and distributed devices. It also
allows configuration, parameterization, and diagnostics communication between controllers and devices.
Note: The PROFINET Controller operates only in auto-negotiate mode. All PROFINET bus devices and
switches that are connected to the PROFINET Controller should be configured to use auto-
negotiation.
The following products support PROFINET I/O:
RX3i Standalone CPU with
embedded PROFINET
Controller
LAN2 may be configured as PROFINET Controller
RX3i CPU with embedded
PROFINET Controller
LAN2 may be configured as PROFINET Controller
Supports up to 4 PNC001 in its rack
All other RX3i CPUs without
Redundancy
Supports up to 4 PNC001 in its rack
All other RX3i CPUs with
Redundancy
Supports up to 4 PNC001 in its rack
RX3i Rack-Mounted
PROFINET Controller
Controls IO-Devices on PROFINET network
RX3i Rack-Mounted
PROFINET Scanner
Head-End for RX3i I/O Rack. Exchanges I/O data and Alarms
with PROFINET Controller. Scans modules installed in its I/O
Rack.
RX3i CEP I/O Drop PROFINET
Scanner
Head-End for RX3i CEP I/O Drop. Exchanges I/O data and
Alarms with PROFINET Controller. Scans modules installed in
its backplane and expansion rack.
VersaMax PROFINET Scanner
Head-End for VersaMax I/O Rack. Exchanges I/O data and
Alarms with PROFINET Controller. Scans modules installed in
its I/O Rack.
RSTi-EP Standalone CPU with
embedded PROFINET
Controller
LAN2 may be configured as PROFINET Controller
Head-End for RSTi-EP I/O system. Exchanges I/O data and
Alarms with PROFINET Controller. Scans modules installed in
its I/O system.
Components of the RX3i PROFINET network consist of a PACSystems RX3i PROFINET Controller
communicating with IO Devices on the PROFINET bus.
The PROFINET Controller may be an embedded PROFINET Controller (CPE400 or CPE330 or CPE100/CPE115)
or a rack-mounted PNC001 module located in the RX3i CPU rack. For rack-mounted PNC001 units, the main
RX3i rack can include up to four PNC001 modules, each communicating with its own high-speed network.
IO Devices on the network can consist of the I/O modules installed in a rack, each containing a PROFINET
Scanner (PNS) as its head-end, such as the GE products listed above. The network may also include a wide
range of third-party IO Devices, such as pressure gauges and motor actuators, that are connected directly to
the PROFINET network.
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