Manual

Publication 1757-UM007D-EN-P - December 2008 113
Supported 1771 Modules Chapter 8
I/O Data
The 1771-NR module returns 8 words of floating point data to the host
controller.
This data can be mapped to a numeric read tag.
Diagnostic Data
The 1771-NR module returns 40 bits of diagnostic data.
1771-NR Module I/O Data
Data Word Description
0 Channel 1 data
1 Channel 2 data
2 Channel 3 data
3 Channel 4 data
4 Channel 5 data
5 Channel 6 data
6 Channel 7 data
7 Channel 8 data
1771-NR 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 bad calibration
9 Channel 2 bad calibration
10 Channel 3 bad calibration
11 Channel 4 bad calibration
12 Channel 5 bad calibration
13 Channel 6 bad calibration
14 Channel 7 bad calibration