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Output image - configuration words – Rockwell Automation 1746-NI8 SLC 500 Analog Input Modules User Manual User Manual

Page 34

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4–3

Preliminary Operating Considerations

Publication 1746Ć6.8 - April 1997

Class 3 Memory Map

Channel 0 Configuration Word
Channel 1 Configuration Word
Channel 2 Configuration Word
Channel 3 Configuration Word

Channel 0 Data Word
Channel 1 Data Word
Channel 2 Data Word
Channel 3 Data Word
Channel 4 Data Word
Channel 5 Data Word
Channel 6 Data Word
Channel 7 Data Word

Output Image

12 Words

Input Image

16 Words

Output Image

Input Image

Output

Scan

Input

Scan

Output Image

Input Image

Slot e

Slot e

SLC 5/0X

Data Files

Analog Input

Module

Image Table

Bit 15

Bit 0

Bit 15

Bit 0

Word 0
Word 1
Word 2
Word 3

Word 0
Word 1
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7

Address

Address

O:e.0
O:e.1
O:e.2
O:e.3

I:e.0
I:e.1
I:e.2
I:e.3
I:e.4
I:e.5
I:e.6
I:e.7

(Class 3)

Channel 4 Configuration Word
Channel 5 Configuration Word
Channel 6 Configuration Word
Channel 7 Configuration Word
lower scale limit range 0
upper scale limit range 0
lower scale limit range 1
upper scale limit range 1

Word 4
Word 5
Word 6
Word 7

O:e.4
O:e.5
O:e.6
O:e.7

Word 8
Word 9
Word 10
Word 11

O:e.8
O:e.9
O:e.10
O:e.11

Channel 0 Status Word
Channel 1 Status Word
Channel 2 Status Word
Channel 3 Status Word
Channel 4 Status Word
Channel 5 Status Word
Channel 6 Status Word
Channel 7 Status Word

Word 8
Word 9
Word 10
Word 11
Word 12
Word 13
Word 14
Word 15

I:e.8
I:e.9
I:e.10
I:e.11
I:e.12
I:e.13
I:e.14
I:e.15

Output Image - Configuration Words

The module output image (defined as the output from the processor
to the module) contains information that you configure to define the
way a specific module channel will work. Each output word
configures a single channel.