GFK-2571N May 2018 85
Chapter 4 PROFINET System Operation
This chapter describes:
• PROFINET Operation Overview
o PROFINET Communications
o Application Relationships
o Types of PROFINET Communications
o External Switch VLAN Priority Settings
• Operations of the PROFINET Controller in the RX3i and RSTi-EP
o Duplicate Device IP Address Detection
o Duplicate Controller IP Address Detection
o Resolving Duplicate IP Addresses
• I/O Scan Timing
• RX3i and RSTi-EP CPU Operations for PROFINET
o Reference ID Variables for the user Application
o The PNIO_DEV_COMM Function Block
o Reset Smart Module for the PNC001
o DO I/O for Remote I/O Modules
o Scan Set I/O for Remote I/O Modules
o RX3i and RSTi-EP CPU Defaults Inputs
o RX3i and RSTi-EP CPU Defaults Outputs