FLEX I/O AC Digital Output Modules 15
Publication 1794-IN103D-EN-P - July 2018
1794-TB2, 1794-TB3, and 1794-TB3S Terminal Base Wiring for 1794-OA16
1794-TBN Terminal Base Wiring for 1794-OA16
Configure the FLEX I/O AC Output Module
Image Table Memory Map for the 1794-OA8, 1794-OA8K, and 1794-OA8I Modules
Dec 1514131211109876 543210
Oct 17161514131211107 6 5 4 3 2 1 0
Read Not used – set to 0
Write Not used – set to 0 O7O6O5O4O3O2O1O0
Where O = Output number
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
Commons
(1794-TB3 shown)
Connect 120V AC common L2 to terminal B-16.
Connect 120V AC power L1 to terminal C-34.
L2 IN L2 OUT
Voltage
A
B
C
(Use B-33 and C-51 for daisy-chaining power to the next terminal base unit.)
L1 IN L1 OUT
(Terminals C-35…C-50 are not present on the 1794-TB2.)
Outputs
16
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
51
33
34
B
C
Even Numbered I/O Terminals 0…14
Odd Numbered I/O Terminals 1…15
Connect 120V AC (L2) to terminal B-16
Connect 120V AC power (L1) to terminal C-34
Use B-33 and C-51 for daisychaining to the next terminal base
L1
L2
L1
L2