Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

Page 110

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Memory Organization

Chapter 7

7-4

Figure 7.3

Data Table Configured for 1ĆSlot Addressing

Processor Work Area

Output Image Table

Rack 1

Reserved

Timer Counter

Accumulated Values (AC)

(or Bit Word Storage)

Processor Work Area

No. 2

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

80

8

8

8

40

8

8

40

8

Word

Bit

000

007
010

017
020

026
027
030

077
100

107
110

117
120

127
130

177
200

00

17
00

17
00

17

00

17
00

17
00

17
00

17
00

17
00

1

2

3

4

User Program

1920

1792

2048

128

3968

7808

3840

7680

4096

7936

128

128

MiniĆPLCĆ2/02

MiniĆPLCĆ2/16

MiniĆPLCĆ2/17

MiniĆPLCĆ2/02

MiniĆPLCĆ2/16

MiniĆPLCĆ2/17

3577

17

3777

17

7577

17177

17

17

7777

17377

17

17

MiniĆPLCĆ2/02

MiniĆPLCĆ2/16

MiniĆPLCĆ2/17

MiniĆPLCĆ2/02

MiniĆPLCĆ2/16

MiniĆPLCĆ2/17

6

6

Output Image Table

Rack 2

1

7

Input Image Table

Rack 1

6

Input Image Table

Rack 2

Configured for

1ĆSlot Addressing

Data Table

5

10349–I

Decimal

Words

Per

Area

Address

Address

No. 1

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.

Do not use word 127 for block transfer data storage.

Can be decreased to 48 words.

1
2
3
4
5

Used with 1Ćslot addressing.

6

You cannot put an output or block transfer module in rack 2, I/O group 7 when using 1Ćslot addressing.

7

You can put an input module in rack 2, I/O group 7.

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