Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016 141
Get Diagnostic Status from Modules by Using Explicit Messaging Appendix A
334 (820) Safety and 
standard
0 Safety Input 7  Safety Input 6 Safety Input 5 Safety Input 4 Safety Input 3 Safety Input 2 Safety Input 1 Safety Input 0
1Safety Input 7 
Status
Safety Input 6 
Status
Safety Input 5 
Status
Safety Input 4 
Status
Safety Input 3 
Status
Safety Input 2 
Status
Safety Input 1 
Status
Safety Input 0 
Status
2 Reserved Reserved Input Power 
Error 
(1)
Output Power 
Error 
(1)
Reserved Reserved Muting Lamp 7 
Status
Muting Lamp 3 
Status
344 (836) Safety and 
standard
0 Safety Input 7 Safety Input 6 Safety Input 5 Safety Input 4 Safety Input 3 Safety Input 2 Safety Input 1 Safety Input 0
1Safety Input 7 
Status
Safety Input 6 
Status
Safety Input 5 
Status
Safety Input 4 
Status
Safety Input 3 
Status
Safety Input 2 
Status
Safety Input 1 
Status
Safety Input 0 
Status
2Safety Output 
7 Status
Safety Output 
6 Status
Safety Output 
5 Status
Safety Output 
4 Status
Safety Output 
3 Status
Safety Output 
2 Status
Safety Output 
1 Status
Safety Output 
0 Status
3 Reserved Reserved Input Power 
Error 
(1)
Output Power 
Error 
(1)
Reserved Reserved Muting Lamp 7 
Status
Muting Lamp 3 
Status
354 (852) Safety and 
standard
0 Safety Input 7 Safety Input 6 Safety Input 5 Safety Input 4 Safety Input 3 Safety Input 2 Safety Input 1 Safety Input 0
1Safety Input 7 
Status
Safety Input 6 
Status
Safety Input 5 
Status
Safety Input 4 
Status
Safety Input 3 
Status
Safety Input 2 
Status
Safety Input 1 
Status
Safety Input 0 
Status
2Safety Output 
7 Status
Safety Output 
6 Status
Safety Output 
5 Status
Safety Output 
4 Status
Safety Output 
3 Status
Safety Output 
2 Status
Safety Output 
1 Status
Safety Output 
0 Status
3Safety Output 
7 Monitor
Safety Output 
6 Monitor
Safety Output 
5 Monitor
Safety Output 
4 Monitor
Safety Output 
3 Monitor
Safety Output 
2 Monitor
Safety Output 
1 Monitor
Safety Output 
0 Monitor
4 Reserved Reserved Input Power 
Error 
(1)
Output Power 
Error 
(1)
Reserved Reserved Muting Lamp 7 
Status
Muting Lamp 3 
Status
364 (868) Safety and 
standard
0Safety Input 7 
Status
Safety Input 6 
Status
Safety Input 5 
Status
Safety Input 4 
Status
Safety Input 3 
Status
Safety Input 2 
Status
Safety Input 1 
Status
Safety Input 0 
Status
1Safety Output 
7 Status
Safety Output 
6 Status
Safety Output 
5 Status
Safety Output 
4 Status
Safety Output 
3 Status
Safety Output 
2 Status
Safety Output 
1 Status
Safety Output 
0 Status
2 Test Output 7 
Status
Test Output 6 
Status
Test Output 5 
Status
Test Output 4 
Status
Test Output 3 
Status
Test Output 2 
Status
Test Output 1 
Status
Test Output 0 
Status
3 Reserved Reserved Input Power 
Error 
(1)
Output Power 
Error 
(1)
Reserved Reserved Muting Lamp 7 
Status
Muting Lamp 3 
Status
374 (884) Safety and 
standard
0 Safety Input 7 Safety Input 6 Safety Input 5 Safety Input 4 Safety Input 3 Safety Input 2 Safety Input 1 Safety Input 0
1Safety Input 7 
Status
Safety Input 6 
Status
Safety Input 5 
Status
Safety Input 4 
Status
Safety Input 3 
Status
Safety Input 2 
Status
Safety Input 1 
Status
Safety Input 0 
Status
2Safety Output 
7 Status
Safety Output 
6 Status
Safety Output 
5 Status
Safety Output 
4 Status
Safety Output 
3 Status
Safety Output 
2 Status
Safety Output 
1 Status
Safety Output 
0 Status
3Safety Output 
7 Monitor
Safety Output 
6 Monitor
Safety Output 
5 Monitor
Safety Output 
4 Monitor
Safety Output 
3 Monitor
Safety Output 
2 Monitor
Safety Output 
1 Monitor
Safety Output 
0 Monitor
4 Test Output 7 
Status
Test Output 6 
Status
Test Output 5 
Status
Test Output 4 
Status
Test Output 3 
Status
Test Output 2 
Status
Test Output 1 
Status
Test Output 0 
Status
5 Reserved Reserved Input Power 
Error 
(1)
Output Power 
Error 
(1)
Reserved Reserved Muting Lamp 7 
Status
Muting Lamp 3 
Status
394 (916) Only standard 0 Reserved Reserved Reserved Reserved Reserved Reserved Output Power 
Error
Input Power 
Error
1 Test Output 7 
Status
Test Output 6 
Status
Test Output 5 
Status
Test Output 4 
Status
Test Output 3 
Status
Test Output 2 
Status
Test Output 1 
Status
Test Output 0 
Status
3A4 (932) Only standard 0 Reserved Reserved Reserved Reserved Reserved Reserved Output Power 
Error 
Input Power 
Error
1Safety Output 
7 Monitor
Safety Output 
6 Monitor
Safety Output 
5 Monitor
Safety Output 
4 Monitor
Safety Output 
3 Monitor
Safety Output 
2 Monitor
Safety Output 
1 Monitor
Safety Output 
0 Monitor
2 Test Output 7 
Status
Test Output 6 
Status
Test Output 5 
Status
Test Output 4 
Status
Test Output 3 
Status
Test Output 2 
Status
Test Output 1 
Status
Test Output 0 
Status
(1) This data is only diagnostic data. This data does not have safety integrity.
Table 50 - Input Data – 1791ES-IB8XOBV4 Modules (Continued)
Instance Hex 
(decimal)
Connection Type Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0