218 Rockwell Automation Publication 1734-UM013N-EN-P - September 2017
Appendix F I/O Assemblies
Instance 
Decimal (hex)
Connection 
Type
Byte High Byte Low Byte
786 (312 h)
Safety and 
Standard
0, 1 Input 0 Input 0
2, 3 Input 1 Input 1
4, 5 Input 2 Input 2
6, 7 Input 3 Input 3
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
8 Reserved Reserved Reserved Reserved Ch 3 Input 
Status
Ch 2 Input 
Status
Ch 1 Input 
Status
Ch 0 Input 
Status
9
Alarms 0
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
10
Alarms 1
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
11
Alarms 2
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
12
Alarms 3
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
Instance 
Decimal (hex)
Connection 
Type
Byte High Byte Low Byte
802 (322 h)
Safety and 
Standard
0, 1 Input 0 Input 0
2, 3 Input 1 Input 1
4, 5 Input 2 Input 2
6, 7 Input 3 Input 3
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
8 Ch 3Combined 
Alarm Status
Ch 2 Combined 
Alarm Status
Ch 1 Combined 
Alarm Status
Ch 0 Combined 
Alarm Status
Ch 3 Input 
Status
Ch 2 Input 
Status
Ch 1 Input 
Status
Ch 0 Input 
Status
9 Fault Reason 0
10 Fault Reason 1
11 Fault Reason 2
12 Fault Reason 3
13
Alarms 0
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
14
Alarms 1
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
15
Alarms 2
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
16
Alarms 3
(1)
Reserved Tachometer 
Dual Low
Tachometer 
Underfrequency
Tachometer 
Overfrequency
Low Alarm 
Status
High Alarm 
Status
Low Low Alarm 
Status
High High Alarm 
Status
17 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Input Power 
Instance 
Decimal (hex)
Connection 
Type
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
930 (3A2h) Safety and 
Standard
0 Ch 3Combined 
Alarm Status
Ch 2 Combined 
Alarm Status
Ch 1 Combined 
Alarm Status
Ch 0 Combined 
Alarm Status
Ch 3 Input 
Status
Ch 2 Input 
Status
Ch 1 Input 
Status
Ch 0 Input 
Status
Table 30 - 1734-IE4S Input Assemblies (continued)