Rockwell Automation 1771-KA2 Communication Adapter Module - Manual (Page 133)

Design Aids and Documentation
Chapter 10
10-7
Figure 10.6
Mini-PLC-2/05 Memory Organization
Processor Work Area
No. 1
Output
Image Table
Bit/Word Storage
Reserved
Timer/Counter
Accumulated Values (AC)
(or Bit/Word Storage)
Processor Work Area
No. 2
Input
Image Table
Bit/Word Storage
Timer/Counter
Preset Values (PR)
(or Bit/Word Storage)
Expanded Data Table
and/or User Program
Total
Decimal
Words
8
16
24
64
72
88
128
2944
80
Decimal
Words
Per
Area
8
8
8
40
8
8
40
2816
8
Word
Address
Bit
Address
000
007
010
017
020
026
027
030
077
100
107
110
117
120
127
130
177
200
End of Memory
00
17
00
17
00
17
00
17
00
17
00
17
00
17
00
17
00
May not be used for accumulated values.
Not available for bit/word storage. Bits in this word are used by the processor.
Unused timer/counter memory words can reduce data table size and increase user program area.
May not be used for preset values.
Do not use word 127 for block transfer data storage. 1
2
3
4
5
1
2
3
4
5
Factory–
Configured
Data
Table
User Program
3072 128
5577 17
Maximum
Size of
Data Table
Can be decreased to 48 words. 6
6