Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manuel d'utilisateur Page 72

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Vue de la page 71
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
3210
1794-OF8IH Channel Analog Fault Mode Selection
Analog Fault Mode Decimal Value Bits
98
10
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
76543
Disabled 0 00000
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
6% 6 00110
7% 7 00111
8% 8 01000
9% 9 01001
10% 10 0 1 0 1 0
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