Allen-Bradley 1779-KFM, User Manual, Page: 200 / 211

Data Manipulation
Appendix B
B5
Figure B.2
PLC3 Extended Addressing
SYSTEM STATUS Context Section Word
E0 0 0 022
SYSTEM POINTERS Context Section Word
E1 0 0 032767
MODULE STATUS Module Type Thumbwheel Switch Module Data
E2 1 Memory
2 Main Processor
3 I/O ScannerProgrammer
Interface
4 Reserved
5 Communication Adapter
6 Expansion
7 I/O ScannerMessage
Handling
8 Peripheral Communication
9 Communication Interface
14 Memory Communication
115 Defines System Attributes
DATA TABLE Context Section File Structure Word
E3 115 1 Output Image
2 Input Image
3 Timers
*
4 Counters
*
5 Integers
6 Floating Point
7 Decimal
8 Binary
9 ASCII
10 HighOrder Integer
12 Pointers
*
13 Status
*
These sections must have a file
number of zero.
0 for timers, counters, pointers.
0999 for all other sections.
09999 for timers, counters, pointers,
floating point, high order integer.
0 for all other sections.
07777
8
for input and output image.
For timers and counters:
0 Control (CTL)
1 Preset (PRE)
2 Accumulator (ACC)
For pointers:
0 Section (SEC)
1 File (FIL)
2 Word (WRD)
For all other sections: 09999
USER PROGRAM Context Section Rung Instruction Word
E4 115 1 Main
2 Subroutine
3 Faults
032767 032767 032767
MESSAGES Context Section Message Number Word
E5 115 1 Report Generation
2 Comments
3 Terminal (MACROS)
4 Data Highway
5 Assistance (HELP)
032767 032767
SYSTEM SYMBOLS SymbolContext Symbol Type Number Word
E6 115 1 032767 032767
SYSTEM SCRATCHPAD
E7
CONVERTED
PROCEDURES
Context Section Message Number Word
E8 115 1 Report Generation 032767 032767
FORCE TABLE Context Force Type Rack Number Word Bit (Force Type 0 Only)
E10 115 0 Status (No Rack Number,
Word Must Be 0)
1 Forced Output
2 Forced Input
064 015 0 Input Enable/Disable
1 Output Enable/Disable