User Guide User Manual

FactoryTalk Historian To Historian Interface User Guide iii
Table of Contents
Chapter 1. Introduction ................................................................................................ 1
Interface Limitations ............................................................................................ 1
Interface Requirements ....................................................................................... 2
Reference Manuals ............................................................................................. 3
Supported Operating Systems ............................................................................ 3
Supported Features............................................................................................. 3
Diagram of Hardware Connection ....................................................................... 7
Chapter 2. Principles of Operation ............................................................................ 11
Interface Startup ................................................................................................ 11
How FactoryTalk Historian to Historian Finds Source Points ........................... 12
Data Collection .................................................................................................. 13
History Recovery ............................................................................................... 14
Exception Data Collection ................................................................................. 15
Maximizing Data Throughput .................................................................. 15
Archive Data Collection ..................................................................................... 16
Performance Considerations .................................................................. 16
Data Timestamps .............................................................................................. 17
Data Type Conversions ..................................................................................... 17
Interface Status Events ..................................................................................... 18
Adding, Removing and Editing Tags ................................................................. 18
Error Handling ................................................................................................... 19
Source Historian Server-Level Failover ............................................................ 19
Fault Conditions ................................................................................................ 19
Communication Failure ........................................................................... 19
Detection of Stale Data ........................................................................... 20
UniInt Failover ................................................................................................... 20
Interface Status Tags ........................................................................................ 20
Internal State Status .......................................................................................... 20
Failover Status .................................................................................................. 21
Deployment Scenarios ...................................................................................... 21
Historian to Historian within a Historian Collective ............................................ 21
Tag Attribute Override Parameters ......................................................... 22
Historian to Historian between Historian Collectives .............................. 24
Chapter 3. Installation Checklist ................................................................................ 27
Data Collection Steps ........................................................................................ 27
Interface Diagnostics ......................................................................................... 28
Advanced Interface Features ............................................................................ 29
Chapter 4. Interface Installation ................................................................................. 31
Naming Conventions and Requirements .......................................................... 31