Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules - Manual (Page 26)

Publication 1794-UM065B-EN-E - September 2010
14 Configurable FLEX I/O Analog Module Features
Not all 16 words need be allocated. The 1794-IF8IH has the following RTD
I/O Profile:
Chapter Summary In this chapter, we told you about the FLEX I/O system and the analog I/O
modules, and how they communicate with programmable controllers. Move
on to the next chapter to learn how to install your FLEX I/O analog module.
1794-IF8IH RTD I/O Profile
RTD Index Assembly Index Assembly
RTD 0 MSW Module Status Word
RTD 1 EDT Read Word EDT Read Word
RTD 2…9 I:0…I:7 RTD Input Data
1794-IF8IH Analog data table
Word Bit
15
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 Channel 0 Input Data
1 Channel 1 Input Data
2 Channel 2 Input Data
3 Channel 3 Input Data
4 Channel 4 Input Data
5 Channel 5 Input Data
6 Channel 6 Input Data
7 Channel 7 Input Data
8 H7 H6 H5 H4 H3 H2 H1 H0 L7 L6 L5 L4 L3 L2 L1 L0
9 R7 R6 R5 R4 R3 R2 R1 R0 P7 P6 P5 P4 P3 P2 P1 P0
10 Reserved Diagnostic Status
11 C7 C6 C5 C4 C3 C2 C1 C0 F7 F6 F5 F4 F3 F2 F1 F0
12 X7 X6 X5 X4 X3 X2 X1 X0 Reserved
Where: Hn: Channel n High Alarm
Ln: Channel n Low Alarm
Pn: Channel n Out Of Range Alarm
Rn: Channel n Second (Remote) Alarm
Fn: Channel n HART Failure
Cn: Channel n HART Current Fault
Xn: Channel n HART Transmitter Present
0: False 1: True