FLEX I/O Isolated Output HART Analog Module
17
Publication 1794-IN120D-EN-P - September 2015
Format Values
Cyclic HART Input Data
The HART input data holds the primary variables for the “live” HART device, and other
information gathered during the normal HART scan. Additional “documentary” data is
available through the pass through message interface in the device information tables. Pass
through messages are defined in detail in the User Manual.
HART Input Data
Format
Format Name
0.0 mA
2.0 mA
4.0 mA
20.0 mA
22.0 mA
0
0...20 mA in Milliamps
0
2000
4000
20000
22000
1
0...20 mA in % Full Scale
0
1000
2000
10000
11000
3
0...20 mA in UINT
0
6554
13107
65535
65535
(1)
4
4...20 mA in Milliamps
2000
(1)
(1)
These values are under, or over the supported user range, and are clamped at the lowest/highest supported values.
2000
4000
20000
22000
7
4...20 mA in UINT
0
(1)
0
(1)
0
65535
65535
(1)
14
4...20 mA in % Full Scale
-1250
(1)
-1250
0
10000
11250
IMPORTANT
The HART Input Data for a channel may be zeroes if HART communications
is disabled for that channel. For more information on disabling HART
communications, refer to the Disable HART communications and HART
CMD 3 Disable functions in the Configuration Map table.
Word
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
Reserved
CH7 CH6 CH5 CH4 CH3 CH2 CH1 CH0
(HART CMD 3 Communication Status)
1
Reserved
2
CH0 HART Field Device Status
CH0 HART Comm Status
3
Reserved
FVA TVA SVA PVA CH0 HART Loop Status
4
CH0 HART Primary Value (IEEE 754-1985 Single-Precision 32-bit floating point)
5