Application Scenarios:
A packaging machinery OEM needed a compact controller that could handle high-speed logic, basic motion control, and extensive data logging for their next-generation bagging machines. Their previous solution required separate modules for CPU, digital I/O, and communication, leading to wiring complexity and panel space issues. By deploying the 1769-L19ER-BB1B, they leveraged the 32 embedded I/O points (16 DI/16 DO) to directly interface with sensors and solenoids, eliminating the need for additional digital modules. The dual Ethernet ports allowed them to daisy-chain multiple machines on a single network ring (DLR), ensuring network redundancy and simplifying cabinet layout. This integration reduced the control panel footprint by 25% and cut commissioning time by leveraging the pre-integrated I/O and standard Studio 5000 environment.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 1769-L19ER-BB1B |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Product Category | CompactLogix 5370 L1 Programmable Automation Controller (PAC) |
| User Memory | 1 MB |
| Non-Volatile Memory | 1 GB SD card (included, supports up to 2 GB) |
| Embedded I/O | 16 x 24V DC Digital Inputs, 16 x 24V DC Digital Outputs |
| Max Local Expansion | 8 x 1734 POINT I/O modules |
| Communication Ports | 2 x EtherNet/IP (10/100 Mbps, DLR support), 1 x USB (12 Mbps) |
| Input Power | 24V DC |
| Programming Languages | Ladder Logic, Structured Text, Function Block Diagram, Sequential Function Chart |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Mounting | DIN Rail |
Technical Principles and Innovative Values:
The 1769-L19ER-BB1B is engineered on Rockwell’s Logix5000 architecture, providing a unified control platform that simplifies development and deployment.
- Innovation Point 1: Integrated I/O Architecture. Unlike traditional modular controllers that require separate I/O cards, the 1769-L19ER-BB1B features 32 embedded digital I/O points. This “controller and I/O in one” design reduces the component count, minimizes backplane communication overhead, and lowers the total cost of ownership for standard machine applications.
- Innovation Point 2: DLR Network Resilience. The dual embedded EtherNet/IP ports support Device Level Ring (DLR) topology. This allows the controller to form a redundant network ring with other devices. If a cable is cut or a switch fails, the network automatically recovers in milliseconds, ensuring high availability for critical production lines without the need for expensive external managed switches.
- Innovation Point 3: Battery-Less Operation. Utilizing non-volatile memory and an external SD card for program storage, the 1769-L19ER-BB1B eliminates the need for a lithium battery. This reduces long-term maintenance concerns and environmental waste, while the SD card enables quick program backup and restore operations in the field.
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