GE RX3i PROFINET - PROFINET Redundant Media

Chapter 1. Introduction
GFK-2737F December 2016 9
1.5 PROFINET Redundant Media
For a full discussion of PROFINET Redundant Media and interactions with the controlling RX3i CPU, refer to
Chapter 6 of the PACSystems RX3i PROFINET Controller User Manual, GFK-2571. The following topics are
covered:
 PROFINET Media Redundancy Protocol
 MRP Failover Performance
 Bumpless Operation with MRP
 MRP Operation for I/O Update Rates of 16ms or Greater
 MRP Operation at I/O Update Rates Less Than 16ms
 Minimum I/O Rate When Configured in an MRP Ring
 Minimum I/O Update Rates for Bumpless Operation in a Ring Topology
 Third-party MRP Manager Use with PNC as MRP Client
 Ring Topology with One Controller
 Ring Topology with Multiple Controllers
 Setting Up Media Redundancy Protocol
 Media Redundancy Setup for a PROFINET I/O Controller
 Sequence for Enabling Media Redundancy
 Sequence for Replacing a Media Redundancy Manager
 Procedure for Disabling Media Redundancy