122
Rockwell Automation Publication 1794-UM061B-EN-P - March 2020
Appendix B
Simplified Schematics of FLEX I/O Digital Modules
1794-OB8EP 24V DC Electronically Protected 8 Output Module
1794-OB16 24V DC 16 Output Module
40117
Flexbus
Interface
V
CC
Opto
Isolation
Output
Device
+24V
OUT
COM
24V
C-34
A-0 (B-0)
B-17 (C-1)
B-16
+
-
Protected
Output
Device
Typical Simplified Schematic for Output 0
and a 1794-TB2, 1794-TB3, 1794-TB3S, or (1794-TBN) Terminal Base
40117
Flexbus
Interface
V
CC
Opto
Isolation
Output
Device
+24V
OUT
COM
24V
C-34
A-0
B-17
B-16
+
-
Typical Simplified Schematic for Output 0
and a 1794-TB2, 1794-TB3, or 1794-TB3S Terminal Base