Industrial IT 800xA - Control and I/O System Version 4.1
目录：
About This Book
General ..............................................................................................................................9
Use of Warning, Caution, Information, and Tip Icons ....................................................10
Document Conventions ...................................................................................................11
Terminology.....................................................................................................................12
Applicable Specifications ................................................................................................12
Section 1 - Introduction
What is OPC Server for AC 800M? ................................................................................13
System Configuration ......................................................................................................14
Network Considerations.......................................................................................15
Communication Considerations ...........................................................................16
OPC Server for AC 800M Functions ...................................................................17
Prerequisites and Requirements ......................................................................................18
Intended User...................................................................................................................18
Section 2 - Installation and Start-up
Install OPC Server for AC 800M ....................................................................................19
OPC Server Setup Wizard ...............................................................................................20
OPC Server Account ............................................................................................21
System Settings ....................................................................................................21
Product Settings ...................................................................................................22
Start-up and Configuration ..............................................................................................24
OPC Server Configuration Panel .........................................................................24
Connecting Controllers ........................................................................................26
Alarm and Event Settings.....................................................................................28
Setting Cache Update Rate ..................................................................................30
Clock Synchronization.........................................................................................32
Define System......................................................................................................33
Save Cold Retain Values......................................................................................33
Access Rights.......................................................................................................34
Save Configuration ..............................................................................................35
Automatic Load of OPC Server Configuration....................................................36
Running the OPC Server and OPC Client on Different Computers................................37
DCOM settings on the OPC Server PC ...............................................................37
DCOM settings on the OPC Client PC................................................................39
Section 3 - OPC Server Operation
General ............................................................................................................................41
Session Log .....................................................................................................................41
Data Access Printouts to Session Log .................................................................42
Alarm and Event Code Printouts to Session Log.................................................43
System Events to Session Log .............................................................................45
Power Failure ..................................................................................................................47
Error Handling ................................................................................................................47
Performance ....................................................................................................................47
Section 4 - Data Access
General ............................................................................................................................49
Fast Initial Update................................................................................................50
OPC Data Access Server Behavior at Power Fail................................................50
Error Handling .....................................................................................................50
What Data Can Be Accessed?.........................................................................................51
Applications .........................................................................................................51
Controllers ...........................................................................................................51
Hardware Variables..............................................................................................52
Mapping of OPC..............................................................................................................52
Mapping IO Channel Status to OPC Quality .......................................................52
Interfaces Supported.............................................................................................52
States of Status .....................................................................................................53
OPC Data Access Overview.................................................................................53
Address Space ......................................................................................................54
OPC Variables ......................................................................................................54
Item Quality .........................................................................................................56
Writing .............................................................................................................57
Performance.....................................................................................................................57
Section 5 - Alarm and Event
General ............................................................................................................................59
OPC Alarm and Event Server..........................................................................................59
Interfaces Supported.............................................................................................60
Status .............................................................................................................64
Buffer Queues ......................................................................................................65
OPC Alarm and Event Server Behavior at Power Fail.........................................66
OPC Alarm and Event Clients.........................................................................................67
Setting System Variables......................................................................................67
Filtering of Event Notifications............................................................................69
Refreshing OPC Clients .......................................................................................70
Performance.....................................................................................................................71
Appendix A - Setting Up from Windows 2000
Running the OPC Server and OPC Client on Different Computers................................73
DCOM settings on the OPC Server PC................................................................73
DCOM settings on the OPC Client PC ................................................................75
INDEX
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OPCServ for 800.pdf
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