Data format - write words 2 and 3 – Rockwell Automation 1797-IE8NF FLEX Ex 8 Input Analog, HART and Noise Filter Module User Manual
Page 23
FLEX Ex 8 Input Analog, HART, and Noise Filter Analog Modules 23
Publication
1797-5.5 - September 2011
0
0
1
1
0…22 mA = 0…65,535, unsigned integer, with error steps
0
1
0
0
2…22 mA, with error steps
0
1
0
1
2…22 mA = -12.5…112.5%, with error steps
0
1
1
0
4…22 mA = 0…106%, square root, with error steps
0
1
1
1
4…20 mA = 0…65,535, unsigned integer, with error steps
1
0
0
0
Not assigned
1
0
0
1
Not assigned
1
0
1
0
Not assigned
1
0
1
1
0…22 mA = A/D count, with fixed error
1
1
0
0
3.6…21 mA = NAMUR NE 43, with fixed error
1
1
0
1
3…21 mA = -6.25…106.25% with fixed error
1
1
1
0
2…22 mA = -12.5…112.5% with fixed error
1
1
1
1
Not assigned
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
Data Format - Write Words 0 and 1
Word
Bits
Description