Description
Allen-Bradley 1769-PB4: CompactBus Remote I/O Adapter for Enhanced Connectivity
If you’re looking to expand the capabilities of your CompactLogix or MicroLogix control system, the Allen-Bradley 1769-PB4 is a reliable choice. This adapter bridges the gap between your controller and remote I/O modules, making it easier to manage distributed systems in industrial environments. From my experience, this device seems to be particularly popular in applications where space and wiring are critical concerns.
Key Features
- Compact Design: The 1769-PB4 integrates seamlessly into the 1769 I/O platform, saving valuable panel space while maintaining high performance.
- Remote I/O Support: Enables communication with remote I/O devices over DeviceNet, reducing the need for extensive field wiring.
- Plug-and-Play Functionality: Simplifies installation by automatically detecting connected modules and configuring them within the network.
- Diagnostic Capabilities: Provides real-time status updates and fault detection, helping you troubleshoot issues faster.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | Allen-Bradley 1769-PB4 |
| HS Code | 85371090 |
| Power Requirements | 24V DC (nominal) |
| Dimensions & Weight | Height: 120mm, Width: 70mm, Depth: 65mm, Weight: 0.45kg |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Signal Input/Output Types | DeviceNet Communication |
| Communication Interfaces | DeviceNet Port |
| Installation Method | DIN Rail Mountable |
Application Fields
The 1769-PB4 shines in industries that rely on distributed control architectures. For instance, in packaging lines, it allows operators to monitor sensors and actuators across multiple zones without running excessive cables. Similarly, in material handling systems, the adapter supports seamless integration of conveyor belts, robotic arms, and sorting mechanisms. It’s also widely used in water treatment plants where remote monitoring of pumps and valves is essential.
Advantages & Value
What sets the 1769-PB4 apart is its balance of functionality and affordability. Typically, customers appreciate how it reduces wiring costs while improving system scalability. Compatibility with existing Allen-Bradley hardware ensures minimal downtime during upgrades, which can translate to significant cost savings. Additionally, Rockwell Automation’s robust technical support network provides peace of mind when deploying complex projects.
Installation & Maintenance
Installing the 1769-PB4 requires adherence to standard DIN rail mounting practices. Ensure proper ventilation around the unit to prevent overheating, especially in compact enclosures. Wiring should comply with local electrical codes, and shielded cables are recommended for DeviceNet connections to minimize interference. Routine maintenance includes periodic firmware updates via RSLogix 5000 software and visual inspections for loose connections or dust accumulation.
Quality & Certifications
This product carries several industry-standard certifications, including CE, UL, and RoHS compliance, ensuring safe operation in demanding environments. Rockwell Automation backs the 1769-PB4 with a one-year warranty, covering defects in materials and workmanship under normal use conditions.
Order Placement Process: Our delivery times are competitive—typically one week for in-stock items, with a maximum lead time of one month. We require a 50% advance payment, with the remaining balance due before shipment. Express shipping options include FedEx, UPS, and DHL.







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