Specifications

B - 6 RSLinx – Training Guide
Table of Contents
1. INTRODUCTION ...................................................................................................... 7
1.1 READERS GUIDE......................................................................................................................... 7
1.2 OPC BACKGROUND.................................................................................................................... 7
1.3 PURPOSE....................................................................................................................................... 8
1.3.1 The Current Client Application Architecture.......................................................................... 9
1.3.2 The Custom Application Architecture .................................................................................... 9
1.3.3 General.................................................................................................................................. 11
1.4 SCOPE.......................................................................................................................................... 12
1.5 REFERENCES ............................................................................................................................. 12
2. OPC FUNDAMENTALS ......................................................................................... 12
2.1 OPC OBJECTS AND INTERFACES .......................................................................................... 12
2.1.1 OPC DataAccess Overview .................................................................................................. 13
2.1.2 OPC Alarm and Event Handling Overview .......................................................................... 14
2.1.3 OPC Historical Data Access Overview................................................................................. 15
2.2 WHERE OPC FITS ...................................................................................................................... 15
2.3 GENERAL OPC ARCHITECTURE AND COMPONENTS....................................................... 16
2.4 LOCAL VS. REMOTE SERVERS .............................................................................................. 17
3. OPC SERVER BROWSER ..................................................................................... 17
3.1 OVERVIEW OF THE PROBLEM............................................................................................... 17
3.2 OVERVIEW OF THE SOLUTION ............................................................................................. 18