Rockwell Automation 1794-IE8H, Series B FLEX I/O 8 Input Hart Analog Module Installation Instructions User Manual

Page 15

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FLEX I/O 8 Input HART Analog Module 15

Publication

1794-IN108D-EN-P - January 2014

Byte Order Configuration

Byte Order

Group B

Byte Order

Group A

Description

(1)

(1)

All other combinations are invalid. Values will Revert to the last valid configuration (in case of original
start-up this would be default configuration) and set module Diagnostic Status to "2" configuration
failure.

Bit 9 Bit 8 Bit 1 Bit 0

0

0

0

0

Little Endian Format (Default) = All data entries in true Little
Endian format.

1

0

1

0

Word Swap = Word swap only values requiring more then one
word,

for example: 32 bit float values.

0

1

0

1

Byte Swap (reserved for future implementation) = Byte swap all
words in data table.

1

1

1

1

Big Endian Format (reserved for future implementation) = All data
entries in true Big Endian format.

Data Format - Write Words 2 and 3

Data
Format

Bits

Format

Signal Range User Range

Resolution

15 14 13 12

11 10 9

8

7

6

5

4

LO

HI

LO

HI

3

2

1

0

0

0 0 0 0 0…20 mA as

Milliamps

0.00

22.00

0

(0.000 mA)

22000

(22.000 mA)

0.1% of
0...20 mA

1

0 0 0 1 0…20 mA as

%

0.00

22.00

0

(0%)

11000

(110.00%)

0.2% of
0...20 mA

2

0 0 1 0 0…20 mA as

%

0.00

22.00

0

(0%)

10488

(140.88%)

0.19% of
0...20 mA

3

0 0 1 1 0…20 mA as

unsigned
integer

0.00

20.00

0

(0.000 mA)

65535

(20.000 mA)

0.03% of
0...20 mA

4

0 1 0 0 4…20 mA as

mA

2.00

22.00

2000

(2.000 mA)

22000

(22.000 mA)

0.01% of
4...20 mA

5

0 1 0 1 4…20 mA as

%

2.00

22.00

-1250

(-12.50%)

11250

(112.50%)

0.16% of
4...20 mA

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