Allen-Bradley 1734-OB8S

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)