12
FLEX I/O AC Digital Output Modules
Publication 1794-IN103D-EN-P - July 2018
1794-TB2, 1794-TB3, and 1794-TB3S Terminal Base Wiring for 1794-OA8I
Wiring Connections for 1794-OA8I
1794-TB2, 1794-TB3, 1794-TB3S
1794-TBN, 1794-TBNF
Output
(1)
Output Terminal
120V AC
Supply
(1)
(1)
A = Even numbered terminals 0…14 for customer connections; corresponding odd numbered 120V AC supply L1
terminals 1…15 for customer connections from isolated power supply.
Output
Terminal
120V AC
Supply
(2)
(2)
B = Even numbered terminals 0…14 for customer connections; C = Odd numbered 120V AC supply L1 terminals 1…15
for customer connections from isolated power supply.
0
A-0
A-1
B-0
C-1
1
A-2
A-3
B-2
C-3
2
A-4
A-5
B-4
C-5
3
A-6
A-7
B-6
C-7
4
A-8
A-9
B-8
C-9
5
A-10
A-11
B-10
C-11
6
A-12
A-13
B-12
C-13
7
A-14
A-15
B-14
C-15
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
A
B
C
(1794-TB3 shown)
Connect outputs to even numbered terminals on row (A)
Connect isolated 120
V
AC (L1) to odd numbered terminals on row (A)
Individual isolated 120
V
AC common (L2) must be run externally to each of the output devices
(Terminals C-35…C-50 are not available on the 1794-TB2.)
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