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Siemens SIMATIC OpenPCS 7 User Manual
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OpenPCS 7 interface
6.5 OPC Alarms and Events (OPC A&E)
OpenPCS 7
70
Function Manual, 05/2012, A5E02780178-02
69
71
Table of Contents
Default Chapter
2
A5E02780178
2
Table of Contents
3
1 Preface
7
2 Basics
9
General
9
Microsoft Basics
10
OPC Foundation
11
Components of Openpcs 7
12
OLE DB Interface
14
COM / DCOM Components of Openpcs 7
14
3 Installation and Licensing
17
Hardware Requirements
17
Installing the Openpcs 7 Station
17
Licensing of the Openpcs 7 Station
19
Licensing the OS-Internal OPC Server
20
4 PCS 7 Engineering
23
Configuring an Openpcs 7 Station
23
Openpcs 7 and os Application on a Shared PC Station
24
Configuring an OPC Client
25
Loading the Openpcs 7 Station
26
Configuration Support with the PCS 7 Project Wizard
27
5 System Configurations
31
General Configuration
31
Openpcs 7 Without os
33
Openpcs 7 Combined with an os
34
Openpcs 7 Combined with an os Client
34
Openpcs 7 Combined with an os Server or CAS
35
Openpcs 7 Combined with an os Single Station
36
Openpcs 7 Station for Multiple PCS 7 Projects
38
DA Linking of Two PCS 7 Projects Using Openpcs 7
39
Access to a CAS Via Openpcs 7
40
Openpcs 7 Security Concept
41
Settings in the Windows Firewall for Open PCS 7
42
Users and Passwords in a Workgroup
43
6 Openpcs 7 Interface
45
Access Options
45
Data Transmission
45
OPC Data Access (OPC DA)
46
Overview
46
Introduction to the OPC Data Access Interface
46
How the OPC da Server Works
47
OPC Historical Data Access (OPC HDA)
48
Overview
48
How the OPC HDA Server Works
48
Data Structure of the OPC HDA Server
49
Overview of Supported Attributes
50
Overview of Supported Aggregate Functions
50
Overview of Supported Functions
51
Time Format of the OPC HDA Server
52
Quality Codes of the OPC HDA Server
54
Write Access Supported by the OPC HDA Server
54
OPC Alarms and Events (OPC A&E)
55
Overview
55
Introduction to OPC A&E
55
Mapping the PCS 7 os Message System on OPC A&E
57
Mapping the Message Classes and Message Types of PCS 7 os on OPC A&E
59
Mapping Priorities of PCS 7 os Messages to OPC A&E
59
Attributes of the PCS 7 os Message System
60
Acknowledgment Concept
61
Quality Codes for OPC A&E
64
OPC A&E with Hierarchical Access
64
Differences between OPC A&E and OPC A&E with Hierarchical Access
64
Example 1: Messages Are Not Assigned to any Area
66
Example 2: Messages Are Assigned to an Area
69
Example 3: Messages of an Area Are Assigned to an Alarm Hiding Group
71
Upgrading with OPC A&E
73
Updating PCS 7 Projects with OPC A&E
73
How to Update an OPC Project with PCS 7 V8.0
73
OPC Historical Alarms and Events (OPC "H" A&E)
74
Overview
74
Introduction to OPC "H" A&E
75
Reading Archived Messages
75
Syntax for Access to Archived Messages
76
Read Modes for Archived Messages
78
Identifying Archived Messages
79
Ole Db
80
Overview
80
Basics of OLE DB
81
Establishing the Connection to the Database
82
Access to the OLE DB Provider
83
Querying Archive Data
85
Representation of the Process Value Archive
85
Querying Process Value Archives
85
Representation of the Message Archives
89
Querying the Message Archive
91
Appendix
93
Commissioning
93
A.1 Commissioning
93
Lists and Folders
95
List of Sources
95
List of Abbreviations/Acronyms
95
B.1 List of Sources
95
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Siemens SIMATIC OpenPCS 7 Specifications
General
Brand
Siemens
Model
SIMATIC OpenPCS 7
Category
Control Systems
Language
English
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