Rockwell Automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual - Manual (Page 125)

Publication 1794-UM061A-EN-P - July 2006
Simplified Schematics of FLEX I/O Digital Modules 123
1794-OV16 24V DC 16 Sink Output Module
1794-OV16P 24V DC 16 Sink Output Module
40115B
ASIC
V
CC
+24V
Output
Device
COM
+
-
C-34
A-0
C-35
B-16
Typical Simplified Schematic for Output 0
and a 1794-TB3, or 1794-TB3S Terminal Base
24V
40115
Flexbus
Interface
V
CC
Opto
Isolation
C-34
C-35
A-0
B-16
Output
Device +24V
+
-
Current Limit Circuit
Thermal Protection
Output FET
Typical Simplified Schematic for Output 0
and a 1794-TB3 or 1794-TB3S Terminal Base