Instruction Manual

Logic Functions - Book 1
CONTENTS
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CONTENTS
Page
SECTION 1 - INTRODUCTION
1.1 GENERAL ..........................................................................................................................................1-1
1.2 OVERVIEW OF INSTRUMENT SOFTWARE....................................................................................1-1
1.3 DATA BASE CONFIGURATION AND RUNTIME SUPPORT ...........................................................1-1
1.4 RELATED DOCUMENTATION..........................................................................................................1-1
1.5 VERSION IDENTIFICATION .............................................................................................................1-2
SECTION 2 - DATABASE DESCRIPTION
2.1 GENERAL ..........................................................................................................................................2-1
2.2 DATABASE STRUCTURE OVERVIEW ............................................................................................2-1
2.2.1 Blocks..........................................................................................................................................2-1
2.2.2 Loops ..........................................................................................................................................2-3
2.2.3 Groups ........................................................................................................................................2-4
2.3 GLOBAL FEATURES.........................................................................................................................2-4
2.3.1 Initial Data Values .......................................................................................................................2-4
2.3.2 Data Quality ................................................................................................................................2-5
2.3.3 Logical Source Pointer (LSP)......................................................................................................2-5
2.3.4 Data Types..................................................................................................................................2-6
2.4 GENERAL INSTRUMENT OPERATION ...........................................................................................2-8
2.4.1 State Changes ............................................................................................................................2-8
2.4.2 Startup ......................................................................................................................................2-10
2.4.3 I/O Lock.....................................................................................................................................2-10
2.4.4 LEDs .........................................................................................................................................2-11
2.4.5 Control contention.....................................................................................................................2-11
2.5 SECURITY AND INTEGRITY FEATURES......................................................................................2-11
2.5.1 End of configuration Checks.....................................................................................................2-11
2.5.2 Checksumming .........................................................................................................................2-11
2.5.3 Backup Memory........................................................................................................................2-12
2.5.4 Power Fail Detection and Recovery..........................................................................................2-13
2.5.5 Numerical Error Handling..........................................................................................................2-13
2.6 DATABASE REFERENCE CONVENTIONS ...................................................................................2-14
SECTION 3 - SYSTEM DATABASE PARAMETERS
3.1 SYSTEM BLOCKS.............................................................................................................................3-3
3.2 SPECIAL BLOCKS.............................................................................................................................3-3
3.3 INTERFACE BLOCK (IF1).................................................................................................................3-3
3.3.1 Interface Block Operation ...........................................................................................................3-5
3.3.2 Interface Block Parameters.........................................................................................................3-5
3.3.3 Interface Block Events ..............................................................................................................3-27
3.4 SYSTEM EVENT BLOCK (SE1) ......................................................................................................3-29
3.4.1 System Event Block Operation .................................................................................................3-31
3.4.2 System Event Block Parameters...............................................................................................3-32
3.4.3 Typical Block Connections for System Event Block..................................................................3-41
3.4.4 System Event Block Events ......................................................................................................3-41
3.4.5 Event Transitions ......................................................................................................................3-42
3.5 LOOP BLOCK (LP) ..........................................................................................................................3-43
3.5.1 Loop Block Operation ...............................................................................................................3-45
3.5.2 Loop Block Parameters.............................................................................................................3-45
3.5.3 Typical Block Connections for Loop Block................................................................................3-48
3.5.4 Loop Block Events ....................................................................................................................3-48