Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules User Manual
Page 72
Publication 1794-UM065B-EN-E - September 2010
60 1794-IF8IH and 1794-OF8IH Configuration
4
(2)
0
1
0
0
4…20 mA in Milliamps
2.00
22.00
2000 (2.000 mA)
22000 (22.000 mA)
1.0 µA
7
(2)
0
1
1
1
4…20 mA in UINT
4.00
20.00
0
65535
0.2441 µA
14
(2)
1
1
1
0
4…20 mA in % Full Scale
2.00
22.00
-1250 (-12.50%)
11250 (112.50%)
1.6 µA
(1)
All other formats are invalid.
(2)
HART Communications supported with these data formats only.
1794-OF8IH Channel Data Formats
Format
(1)
Bits
Format Name
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
1794-OF8IH Channel Analog Fault Mode Selection
Analog Fault Mode
Decimal Value
Bits
9
8
1
0
Min Scale
0
0
0
Max Scale
1
0
0
Hold Last State
2
1
0
User Specifed Data Value
3
1
1
1794-OF8IH HART Current Ratio
HART Current
Ratio Limit
Decimal
Value
Bits
15
14
13
12
11
7
6
5
4
3
Disabled
0
0
0
0
0
0
Not applicable
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