Optimizing DeviceNet Connectivity with the Allen-Bradley 1792D-CB18P
Are you struggling with reliable power distribution and signal pass-through in your DeviceNet Single networks? The Allen-Bradley 1792D-CB18P offers a straightforward solution designed specifically for MaXum round media applications.
Product Overview
The 1792D-CB18P from Allen-Bradley is a PLC module/rack accessory within the 1792D ArmorBlock MaXum I/O product line. Its primary function is to provide passthru capability for DeviceNet Single configurations, ensuring seamless connectivity in demanding industrial environments. This component is built for MaXum round media 18mm base applications, making it an essential part of networked automation systems.
Technical Specifications Breakdown
Key parameters for the 1792D-CB18P are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Product Type | PLC module/rack accessory |
| Product Line | 1792D ArmorBlock MaXum I/O |
| Part Number | 1792D-CB18P |
| UPC | 612598186433 |
| Weight | 3.00 lbs (1.36 kg) |
| Type | MaXum Round Media 18mm Base |
| Functionality | Passthru for DeviceNet Single |
| Connector Type | 18mm Aux Power Connector |
| Industrial-grade Construction | Yes |
Industry Applications
In automotive assembly plants, the 1792D-CB18P enables reliable auxiliary power feed to I/O blocks, reducing downtime from loose connections. Similarly, in material handling systems, its passthru design simplifies wiring for distributed control points, lowering installation costs by eliminating extra junction boxes.
Installation & Setup Guidance
When integrating the 1792D-CB18P, ensure the 18mm base is securely mounted to the MaXum round media rail. Connect the 18mm auxiliary power connector to a suitable power source, verifying polarity per DeviceNet specifications. For passthru functionality, link the DeviceNet trunk line through the module's pass-through ports, maintaining proper termination at network ends. Always power down the system before making connections.
Maintenance & Reliability
The industrial-grade construction of this component ensures longevity in harsh environments. Periodically inspect the 18mm connector for signs of corrosion or wear, especially in high-vibration areas. Clean contacts with a dry cloth if needed. No internal maintenance is required; replace the unit if physical damage is observed.
Compatibility & Integration
Its passthru for DeviceNet Single ensures compatibility with standard DeviceNet networks. The 18mm aux power connector provides supplemental power to connected devices, enhancing system reliability.
Selection Guide & Purchasing Advice
For engineers seeking a dependable DeviceNet passthru solution, the 1792D-CB18P is a proven choice. AutoDCSTech stocks this accessory with fast shipping and expert support. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Troubleshooting & Common Issues
If the DeviceNet network experiences intermittent communication, check the passthru connection for loose terminations. Verify that the auxiliary power connector is supplying correct voltage. If the module appears unresponsive, inspect the 18mm base for physical damage. Replace the unit if the connector pins are bent or broken.


Availability & Condition at AutoDCSTech
| Part Number | 1792D-CB18P |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
