The Allen-Bradley 1769-OB16P is a solid-state 24VDC output module from the 1769 Compact I/O family. It provides sixteen protected output channels in a single group, delivering a 20.4-26.4VDC output voltage range. This module is compatible with CompactLogix and MicroLogix 1500 controllers, making it a versatile choice for discrete control applications.
Key Features and Benefits
With integrated electronic protection and a robust design, the 1769-OB16P ensures reliable operation in demanding industrial environments. Its fast response times and high current capacity help minimize downtime and improve system throughput.
-
Sixteen protected outputs in one group simplify wiring and reduce panel space.
-
Integrated electronic protection safeguards the module and connected devices.
-
Fast switching: 1 ms OFF-to-ON and 2 ms ON-to-OFF delay times enhance control precision.
-
Wide operating range: 20.4-26.4VDC ensures stable performance under varying conditions.
-
Compatible with CompactLogix and MicroLogix 1500 for flexible integration.
Technical Specifications
This module offers a current draw of 160 mA at 5.1V DC and delivers up to 1.0 A per point at 30 °C or 0.5 A at 60 °C. The maximum module current is 8.0 A at 30 °C and 4.0 A at 60 °C. With a surge current rating of 2.0 A for 10 ms (repeatable every 1 s), it handles inrush loads effectively.
| Specification |
Value |
| Series |
1769 Compact I/O |
| Part Number |
1769-OB16P |
| Module Type |
Solid-state DC Output Module |
| Manufacturer |
Rockwell Automation |
| Number of Outputs |
Sixteen (16) |
| Output Voltage |
24VDC |
| Operating Voltage Range |
20.4-26.4VDC |
| Output Delay (OFF to ON) |
1 ms |
| Output Delay (ON to OFF) |
2 ms |
| OFF-state Leakage Current |
1.0 mA @ 26.4V DC |
| Backplane Current at 5.1V |
160 mA |
| Continuous Current per Point |
0.5 A @ 60 °C / 1.0 A @ 30 °C |
| Continuous Current per Module (max) |
4.0 A @ 60 °C / 8.0 A @ 30 °C |
| Surge Current Rating |
2.0 A for 10 ms (repeatable every 1 s) |
| Power Supply Distance Rating |
8 modules |
| Wire Size (Solid) |
22 to 14 AWG |
| Dimensions (approx.) |
4.65 x 1.38 x 3.43 in |
| Weight |
0.56 lb |
Applications
The 1769-OB16P suits a wide range of industrial automation tasks, including:
-
Material handling systems — controlling conveyor motor starters and actuators.
-
Packaging machinery — operating solenoids and indicator lights in high-speed lines.
-
Process control — switching valves and pumps in batch processing applications.
Installation & Setup
Mount the module on a DIN rail or panel using standard 1769 mounting techniques. Connect field wiring to the 1769-RTB18 removable terminal block (sold separately). Ensure the module is within the power supply distance rating (8 modules) to maintain proper communication. For expansion beyond this, add power supplies such as 1769-PA2 or 1769-PB2.
Maintenance & Reliability
Periodically inspect terminal connections for tightness and check for signs of overheating or loose wiring. The module's solid-state design eliminates mechanical wear, reducing maintenance needs. Keep the enclosure clean and within specified temperature ranges to extend service life.
Compatibility & Integration
This module works with Allen-Bradley CompactLogix controllers (as local or expansion I/O) and MicroLogix 1500 (as local expansion I/O). It uses the 1769 backplane, which supports up to 8 modules per power supply. No special communication protocols are required.
Selection Guide
Before purchasing, verify your controller model and backplane capacity. Confirm the required number of outputs and current ratings. For a reliable source of genuine Allen-Bradley parts, consider PLC Source PRO for competitive pricing and fast delivery.