Allen-Bradley FLEX Ex 1797-OE8, Installation Instructions Manual, Page: 25 / 52

FLEX Ex 8 Output and HART Analog Modules 25
Publication
1797-IN003J-EN-P - August 2017
HART Read Back Threshold
HART Read Back Decimal Bits
Value 7 6 5 4 3
15 14 13 12 11
Disabled 0 0 0 0 0 0
Not applicable
(1)
1 0 0 0 0 1
Not applicable 2 0 0 0 1 0
Not applicable 3 0 0 0 1 1
Not applicable 4 0 0 1 0 0
5% 5 0 0 1 0 1
6% 6 0 0 1 1 0
7% 7 0 0 1 1 1
8% 8 0 1 0 0 0
9% 9 0 1 0 0 1
10% 10 0 1 0 1 0
… … … … … … …
30% 30 1 1 1 1 0
31% 31 1 1 1 1 1
(1)
1, 2, 3, and 4 are not applicable. Values between 1 and 4 will lead the IOM to automatically use
an internal value of 5%.