Rockwell Automation Allen-Bradley 1794-IB16D - 1794-OB16 D 24 V DC 16 Diagnostic Output Module; 1794-OB16 P 24 V DC 16 Output Module

Rockwell Automation Publication 1794-UM061B-EN-P - March 2020 123
Simplified Schematics of FLEX I/O Digital Modules Appendix B
1794-OB16D 24V DC 16 Diagnostic Output Module
1794-OB16P 24V DC 16 Output Module
Shorted
Output
Monitor
Open Wire
Monitor
Current Limiting
Thermal Prot.
Output FET
Output Indicator
Fault Indicator
+V
Open Wire
Detect
Current
Reverse
Voltage
Monitor
Output
Device
*
24V Power
Flexbus Interface
B-17
B-16
A-0
C-34
Output
User Power
+
_
* Use a 10 KΩ dummy resistor on unused output channels.
Typical Simplified Schematic for Input 0
and a 1794-TB2, 1794-TB3, 1794-TB3S, or 1794-TB3S Terminal Base
41017
ASIC
V
CC
+24V
Output
Device
COM
Current Limit Circuit
Thermal Protection
Output FET
+
-
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
24V