Micromod MOD: 1800P - MOD 30ML Identity Module (Version 2) System, I/O and Communications Functions - Manual (Page 3)

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