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Rockwell Automation Publication 1794-IN102D-EN-P - July 2018
FLEX I/O AC Digital Input Modules
Connecting Wiring for the 1794-IA8I
1.
For 1794-TB2, 1794-TB3, or 1794-TB3S
– Connect individual input
wiring to even-numbered terminals on the 0...15 row (A) as indicated in
the Wiring Connections for 1794-IA8I table.
For 1794-TBN
– Connect individual input wiring to even-numbered
terminals 0...14 on the 16...33 row (B) as indicated in the Wiring
Connections for 1794-IA8I table.
Input 9
A-9
C-9
C-44
Input 10
A-10
B-10
C-45
Input 11
A-11
C-11
C-46
Input 12
A-12
B-12
C-47
Input 13
A-13
C-13
C-48
Input 14
A-14
B-14
C-49
Input 15
A-15
C-15
C-50
120V AC L1
Power terminals C-34 to C-51 (C-34 and C-51 on 1794-TBN) are internally connected
together. Connect 120V AC L1 to C-34.
120V AC L2
Common terminals B-16 to B-33 (B-16 and B-33 for 1794-TBN) are internally connected
together. Connect 120V AC common L2 to terminal B-16.
(1)
When using the 1794-TBN, an external terminal strip is needed to connect the 120V AC power connections.
Terminal Base Wiring for 1794-IA16
Input
Input Terminal
1794-TB3, 1794-TB3S
Input Terminal
1794-TBN
120V AC Supply (L1)
(1)