Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module - Manual (Page 108)

106 Publication 1757-UM007D-EN-P - December 2008
Chapter 8 Supported 1771 Modules
Diagnostic Data
The 1771-NOV module returns 16 bits of diagnostic data.
This data can be mapped to a flag read tag.
1771-NOV Module Diagnostic Data
Bit Description
0 Module good communication
1 reserved
2 reserved
3 reserved
4 reserved
5 reserved
6 reserved
7 reserved
8 Channel 1 data invalid
9 Channel 2 data invalid
10 Channel 3 data invalid
11 Channel 4 data invalid
12 Channel 5 data invalid
13 Channel 6 data invalid
14 Channel 7 data invalid
15 Channel 8 data invalid