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Rockwell Automation Publication ICSTT-RM446N-EN-P - April 2018
Chapter 3
AADvance System Architectures
Safety Related Peer-to-Peer Configurations
The following Peer-to-Peer configurations are approved for use in a safety
Related Function:
Table 15 - Safety Related Peer-to-Peer Configurations
Peer-to-Peer Settings
Certified Configuration
Conditions
Software Board Definitions:
Dxpdi16
Dxpdo16
Dxpao16
Dxpdi128
Dxpdo128
Dxpnc40
Certified for use over a single
communication network or
multiple networks
Certified as safety-related and can be used for
safety critical communications in SIL 3
applications.
Software Board Definitions:
Dxpai128
Dxpao128
Certified for use over a single
communication network or
multiple networks
Certified as safety-related and can be used for
safety critical communications in SIL 3
applications provided two separate Dxpai128 &
Dxpao128 board definitions are used for safety
values, the safety values from the two Dxpai128
boards (or digital trip points from the values)
shall have a 1oo2 vote within the receiving
application.
