Manual

100 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