Diagnostic data – Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module User Manual
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Publication 1757-UM007D-EN-P - December 2008
Chapter 8 Supported 1771 Modules
This data can be mapped to a numeric read tag.
Diagnostic Data
The 1771-IL module returns 24 bits of diagnostic data.
4
Channel 5 data
5
Channel 6 data
6
Channel 7 data
7
Channel 8 data
1771-IL Module Diagnostic Data
Bit
Description
0
Module good communication
1
Out of range
2
Invalid scaling (should never be set)
3
RTS time-out
4
Invalid filter
5
reserved
6
Hardware failure
7
reserved
8
Channel 1 underrange
9
Channel 2 underrange
10
Channel 3 underrange
11
Channel 4 underrange
12
Channel 5 underrange
13
Channel 6 underrange
14
Channel 7 underrange
15
Channel 8 underrange
16
Channel 1 overrange
17
Channel 2 overrange
18
Channel 3 overrange
19
Channel 4 overrange
20
Channel 5 overrange
1771-IL Module I/O Data
Data Word
Description