Conditions and rights required
You require the following to be able to install and operate SOFTNET-IE RNA on your PC:
● 2 free Ethernet network adapters
● 2 separate Ethernet network adapters
● Administrator rights for installation
● Exactly one software license for  SOFTNET-IE RNA per PC.
Installation and configuration
You can install the "SIMATIC NET SOFTNET-IE RNA" software with the PCS 7 system setup.
Select the "User-defined Installation" installation mode and select the "SOFTNET-IE RNA ..." 
program in "Options".
You can find information about the configuration in the 
SIMATIC NET; PG/PC - Industrial 
Ethernet Operating Instructions; SOFTNET-IE RNA
. 
Additional information
● Online help for "SIMATIC NET SOFTNET-IE RNA" software
● You can find additional information on this on the Internet http:\\www.siemens.com/pcs7-
documentation (http:\\www.siemens.com/pcs7-documentation):
– Operating instructions
 SIMATIC NET; SCALANCE X204RNA, SCALANCE X204RNA 
EEC
– Operating instructions 
SIMATIC NET PG/PC; Industrial Ethernet SOFTNET-IE RNA 
V8.2
● You can find information on the individual SIMATIC NET products and their configuration 
on the Internet (https://support.industry.siemens.com).
5.3.2.2 How to connect singular components to the redundant terminal bus on the basis of the 
Parallel Redundancy Protocol
Introduction         
You can connect the following non-redundant objects to a redundant network with the 
SCALANCE X204RNA .
● Non-redundant networks 
● Components that have just one network connection, for example
You will find additional information on this topic in section "Redundant, high availability terminal 
bus based on the Parallel Redundancy Protocol (PRP) (Page 64)".
Advantages of high availability components
5.3 Communications connections
High Availability Process Control Systems (V9.0)
116 Function Manual, 05/2017, A5E39221836-AA