User manual

Table of Contents
Computer Gateway User Manual i 5/96
ABOUT THIS PUBLICATION
1 INTRODUCTION
1.1 Computer Gateway Role in TDC 3000
X
Systems
1.2 CG Architecture
1.3 CG Preparation
1.4 Host Preparation
1.5 R500 Differences
1.6 References
2 FUNCTIONAL OVERVIEW
2.1 What the Host Processor Can Do
2.1.1 TDC 3000
X
Data Access
2.1.2 Get and Store Current Process Values
2.1.3 Get History Values
2.1.4 Send and Receive Messages
2.1.5 File Transfers between Host and HM
2.1.6 Role of Data Definition Tables
2.2 How the CG Helps
2.2.1 Application Program Activation
2.2.2 Process Data Exchanges
2.2.3 History Data Acquisition
2.2.4 Message Transfers
2.2.5 CG Database Components
2.3 Special Situations
2.3.1 Host Processor Scheduling of ACPs
2.3.2 Use of 16-Character Point Names
2.3.3 Internetwork Transfers
2.3.4 Restricted and Test Operation Modes
2.4 CG/Host Startup Steps
2.4.1 Preparing the CG
2.4.2 Starting of CG-Host Processor Communications
2.4.3 Restart Modes
2.4.4 Initial Startup Recommendations
3 HOST COMPUTER SOFTWARE COMPONENTS
3.1 Sample System Overview
3.1.1 Advanced Control Programs (ACPs)
3.1.2 Data Definition Tables (DDTs)
3.2 Host Processor Components
3.2.1 ACP Interface Routines
3.2.2 ACP Installer
3.2.3 ACP Status Table
3.2.4 Data Definition Table Builder
3.2.5 Definition Table Processor
3.2.6 Definition Table Viewer
3.2.7 Dispatcher
3.2.8 Communications Handler