Allen-Bradley FLEX I/O 1794-OB8 User Manual

FLEX I/O Digital DC Output Modules 11
Publication 1794-IN094C-EN-P - July 2015
1794-TB2, 1794-TB3, and 1794-TB3S Terminal Base Wiring for 1794-OB8,
1794-OB8EP, 1794-OB16, and 1794-OB16P
1794-TBN Terminal Base Wiring for 1794-OB8EP
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
34
Outputs
Commons
(1794-TB3 shown)
Connect -V (Supply Common) to terminal B-16
Connect +V (Supply +Voltage) to terminal C-34
-V
Voltage
In +V
Voltage
Out +V
Voltage
Terminals 35 thru 50 not available on 1794-TB2
A
B
C
Common
-V
Common
(Use B-33 and C-51 for daisy-chaining to next terminal base unit.)
Total current draw through the terminal base is limited to 10A. Separate power
connections to each terminal base may be necessary.
16
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
51
33
34
+V
COM
+V
COM
B
C
Even Numbered I/O Terminals 0 thru 14
Odd Numbered I/O Terminals 1 thru 15
Connect -V (Supply Common) to terminal B-16
Connect +V (Supply +Voltage) to terminal C-34
(Use B-33 and C-51 for daisy-chaining to next terminal base unit.)
Total current draw through the terminal base is limited to 10A. Separate power
connections to each terminal base may be necessary.

Allen-Bradley FLEX I/O 1794-OB8 Specifications

General

Brand	Allen-Bradley
Model	FLEX I/O 1794-OB8
Category	Control Unit
Language	English