Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manuel d'utilisateur Page 46

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Publication 1794-UM065B-EN-E - September 2010
34 1794-IF8IH and 1794-OF8IH Configuration
1794-IF8IH Channel Data Formats
Format
(1)
Bits Format Name Signal Range User Range Resolution
15 14 13 12
11 10 9 8
7654 LO HI LO HI
3210
0 0000020 mA in Milliamps 0.00 22.00 0 (0.000 mA) 22000 (22.000 mA) 1.0 µA
1 0001020 mA in % Full Scale0.00 22.00 0 (0%) 11000 (110.00%) 2.0 µA
3 0011020 mA in UINT 0.00 20.00 0 65535 0.3052 µA
4
(2)
0100420 mA in Milliamps 2.00 22.00 2000 (2.000 mA) 22000 (22.000 mA) 1.0 µA
5
(2)
0101420 mA in % Full Scale2.00 22.00 -1250 (-12.50%) 11250 (112.50%) 1.6 µA
7
(2)
0111420 mA in UINT 4.00 20.00 0 65535 0.2441 µA
(1)
All other formats are invalid.
(2)
HART Communications supported with these data formats only.
1794-IF8IH Channel Digital Filter
Digital Filter frequency Decimal
Value
Bits
10 9 8
210
470 Hz 0 0 0 0
62 Hz 1 0 0 1
19.6 Hz 2 0 1 0
16.7 Hz 3 0 1 1
10 Hz 4 1 0 0
4.17 Hz 5 1 0 1
Not applicable 6 1 1 0
Not applicable 7 1 1 1
1794-IF8IH HART Current Ratio
HART Current
Ratio Limit
Decimal
Value
Bits
15 14 13 12 11
76543
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 00101
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