Date Code 20010518 Database i
SEL-2020 Instruction Manual
TABLE OF CONTENTS
SECTION 9: DATABASE 9-1
Introduction...................................................................................................................................9-1
Database Structure ........................................................................................................................9-1
Data Storage Formats....................................................................................................................9-3
Region Descriptions......................................................................................................................9-4
Global Data Region (GLOBAL) ...........................................................................................9-4
Global Status Register ...................................................................................................9-6
Configuration Register ..................................................................................................9-6
Global Elements ............................................................................................................9-6
Remote Bit Control Register .........................................................................................9-9
Port F Status Register ....................................................................................................9-9
Local Data Region (LOCAL)................................................................................................9-9
Port Status Register .....................................................................................................9-12
Local Elements ............................................................................................................9-13
Unsolicited Message Queue (BUF).....................................................................................9-16
Data Regions (D1 - D8).......................................................................................................9-17
Archive Data Regions (A1 - A3).........................................................................................9-17
User-Defined Data (USER).................................................................................................9-18
Access Methods ..........................................................................................................................9-18
Access by Function .............................................................................................................9-18
Access by Region ................................................................................................................9-19
Access by Register ..............................................................................................................9-20
Access by Bit.......................................................................................................................9-21
TABLES
Table 9.1: Database Regions for a Single Port ......................................................................................9-3
Table 9.2: Global Data Region...............................................................................................................9-4
Table 9.3: Global Elements....................................................................................................................9-7
Table 9.4: Global Element Definitions ..................................................................................................9-8
Table 9.5: Local Data Region ..............................................................................................................9-10
Table 9.6: Local Elements....................................................................................................................9-13
Table 9.7: Local Element Definitions ..................................................................................................9-15
Table 9.8: BUF (Unsolicited Message Queue) Organization ..............................................................9-17
Table 9.9: Data Access by Region Labels ...........................................................................................9-19
FIGURES
Figure 9.1: Overall Database Structure ...................................................................................................9-1
Figure 9.2: Register Usage for Different Data Types .............................................................................9-4
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