Allen-Bradley 1734-OB2, User Manual, Page: 36 / 221

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
20 Install POINT I/O Modules
1734-IV4 Module Wiring Diagram
1734-IV8 Module Wiring Diagram
Channel Input Terminal Common Terminal Power
Channel 0 0 4 6
Channel 1 1 5 7
Channel 2 2 4 6
Channel 3 3 5 7
Connect power on 3-wire proximity switches. 12/24V DC is supplied through the internal
power bus.
Channel Input Terminal Channel Input Terminal
Channel 0 0 Channel 4 4
Channel 1 1 Channel 5 5
Channel 2 2 Channel 6 6
Channel 3 3 Channel 7 7
Daisychain common and power connections from 1734 Adapter, 1734-FPD, 1734-EP24DC
or from user supplied external auxiliary terminal block.
Prox
In 0 In 1
In 2
C
V V
C
In 3
Prox
Source Input
Prox Prox
V = 12/24V DC
C = Common
3
5
7
0
1
2
4
6
2-wire 3-wire
Source Input Wiring
In 0 In 1
In 2 In 3
In 4
In 5
In 6 In 7
0
2 3
4
5
6
7
0 1
2
3
4 5
6 7
0 1
2 3
4
5
6 7
C
C
C
C C
C C
C
V
V
V
V
V V
V V
1734-IB8
1734-CTM
1734-VTM
Prox
Prox
1
1734-IB8
V = Voltage Out
C = Common
3-wire
2-wire