Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 8)

Publication 1757-UM006A-EN-P - May 2002
vi Table of Contents
Chapter 2
Integrating Fieldbus into Rockwell
Automation Logix System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Background - the goals of integration . . . . . . . . . . . . . . 2-1
Fieldbus Integrated Architecture . . . . . . . . . . . . . . . . . . 2-2
Fieldbus Interface Modules - The Key
to an Integrated System . . . . . . . . . . . . . . . . . . . . . 2-3
Configuration Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Foundation Fieldbus Configuration Tool . . . . . . . . . . . . 2-5
Centralized Operator Interface . . . . . . . . . . . . . . . . . . . 2-5
Network Management description . . . . . . . . . . . . . . . . 2-6
System Management Description . . . . . . . . . . . . . . . . . 2-6
About the Device Object . . . . . . . . . . . . . . . . . . . . . . . 2-7
About the VFD Object . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Fieldbus Device Analog Input Integration . . . . . . . . . . . 2-7
Fieldbus Analog Input data manipulation . . . . . . . . . . . 2-8
Fieldbus device Analog Output or PID integration. . . . . 2-9
Fieldbus Analog Output or PID data manipulation . . . . 2-11
Fieldbus device Discrete Input integration. . . . . . . . . . . 2-13
Fieldbus Discrete Input data manipulation . . . . . . . . . . 2-14
Fieldbus device Discrete Output data integration. . . . . . 2-15
Fieldbus Discrete Output data manipulation . . . . . . . . . 2-16
Interface Connections Summary . . . . . . . . . . . . . . . . . . 2-16
Fieldbus status data details . . . . . . . . . . . . . . . . . . . . . . 2-17
Fieldbus Status Indications . . . . . . . . . . . . . . . . . . . . . . 2-18
Control Mode Interaction. . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Fieldbus Block Modes Versus Processlogix Modes. . . . . 2-19
Control Mode Priorities and Indications . . . . . . . . . . . . 2-20
Rotary Switch Model versus Toggle Switch Model . . . . . 2-21
Display indications and mode calculation . . . . . . . . . . . 2-23
Link and Block Schedules . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Link Active Scheduler (LAS) . . . . . . . . . . . . . . . . . . . . . 2-24
Link Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Function block execution schedule. . . . . . . . . . . . . . . . 2-26
Tags, Addresses, and Live List . . . . . . . . . . . . . . . . . . . . . . 2-28
Tag and address assignments . . . . . . . . . . . . . . . . . . . . 2-28
Live List and Uncommissioned Devices. . . . . . . . . . . . . 2-29
Foundation Fieldbus Performance . . . . . . . . . . . . . . . . . . . 2-30
Notification Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
Fieldbus versus ProcessLogix Alarm Priorities . . . . . . . . 2-32
Fieldbus Alarm Conditions . . . . . . . . . . . . . . . . . . . . . . 2-33
Alert Object Formal Model . . . . . . . . . . . . . . . . . . . . . . 2-35