Allen-Bradley 1734-OB2, User Manual, Page: 91 / 221

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
Install POINTBlock I/O Modules 93
16 DC Input Module Wiring Diagram
Sink Input Wiring Diagram
Channel Input Terminal Common Voltage
Remote Termination Block 0
Field Power
Block
Vin (supply) 6 and 7
Common) 4 and 5
Remote Termination Block 1
0 0 4 6
1 1 5 7
2 2 4 6
3 3 5 7
Remote Termination Block 2
4 0 4 6
5 1 5 7
V dc
NC
NC
Cin
Vin
12/24V dc
NC
NC
Cin
Vin
0
2
C
V
1
3
C
V
4
6
C
V
5
7
C
V
8
10
C
V
9
11
C
V
12
14
C
V
13
15
C
V
Field
Power
Inputs
This supply will be connected to the internal power bus.
0 1
2 3
4 5
6 7
0 1
2 3
4 5
6 7
0 1
2 3
4 5
6 7
0 1
2 3
4 5
6 7
0 1
2 3
4 5
6 7
RTB 0 RTB 1 RTB 2 RTB 3 RTB 4
NC =
No Connection
C = Common
Chas Gnd =
Chassis Ground
V = Supply
Prox
In 0 In 1
In 2
C
V V
C
In 3
Prox Prox Prox
V = 12/24V dc
C = Common
3
5
7
0 1
2
4
6
3-wire 2-wire
RTB 1
Repeat for RTB 2, RTB 3 and RTB 4.