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