Rockwell Automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual - Manual (Page 114)

Publication 1794-UM061A-EN-P - July 2006
112 Simplified Schematics of FLEX I/O Digital Modules
1794-OA8I 120V AC 8 Output Module
1794-OA16 120V AC 16 Output Module
40944C
Flexbus
Interface
Opto
Isolation
A-1
(B-0)
L1
Output
Device
85…132V ac
Typical Simplified Schematic for Output 0
and a 1794-TB3, 1794-TB3S, or (1794-TBN,
1794-TBNF) Terminal Base
(C-1)
A-0
Note: To maintain isolation, separate ac sources must be used
with each channel. Auxiliary terminal strips are required for all
terminal base units.
L2
*
B-
*
Fuse on 1794-TBNF only
40944B
Flexbus
Interface Opto
Isolation
C-34
A-0
L1
Output
Device
85…132V ac
B-17
B-16
Typical Simplified Schematic for Output 0
and a 1794-TB2, 1794-TB3, or 1794-TB3S Terminal
Base
L2
40944A
Flexbus
Interface
Opto
Isolation
C-34
B-0
L1
Output
Device
85…132V ac
Typical Simplified Schematic for Output 0
and a 1794-TBN Terminal Base
L2
Note: Auxiliary terminal strips are required when using the
1794-TBN with the 1794-OA16 module.