
Publication 1794-UM065B-EN-E - September 2010
1794-IF8IH and 1794-OF8IH Configuration 53
For this module the total Secondary Input Data Table (I) Words = 98, as
shown in the HART Input Data table..
HART Command 3 Communication Status (8 of 1 bits):
These bits indicate status of the CEDT data transfer between the adapter and
the modules. In this module the CEDT attributes transferred are HART
command 3 data for the indicated channel number.
Range: 0 = disabled or no CEDT HART Command 3 Communication error
between the adapter and the I/O module, 1= a CEDT HART Command 3
Communication error between the adapter and the I/O module.
HART Input Data
Word Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0/I Reserved Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0
HART CMD 3 (Communications 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 Privary Value (IEEE 754-1985 Single-Precision 32 bit floating point)
5
6 Ch0 HART Secondary Value (IEEE 754-1985 Single-Precision 32 bit floating point)
7
8 Ch0 HART Tertiary Value (IEEE 754-1985 Single-Precision 32 bit floating point)
9
10 Ch0 HART Fourth (Quaternary) Value (IEEE 754-1985 Single-Precision 32 bit floating point
11
12 Ch0 SV Units Code Ch0 PV Units Code
13 Ch0 FV Units Code Ch0 TV Units Code
14…25 Words 2…13 for Channel 1
26…37 Words 2…13 for Channel 2
38…49 Words 2…13 for Channel 3
50…61 Words 2…13 for Channel 4
62…73 Words 2…13 for Channel 5
74…85 Words 2…13 for Channel 6
86…97 Words 2…13 for Channel 7
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