Product Introduction
The Allen Bradley 1769-L18ER-BB1B CompactLogix 5370 L1 Ethernet Controller is a compact and high-performance programmable controller designed for small to medium-sized automation systems that require integrated I/O and advanced Ethernet communication. As part of the CompactLogix 5370 L1 series, it combines control, networking, and I/O functionality into a single streamlined platform.
This controller features dual EtherNet/IP ports with Device Level Ring (DLR) capability, ensuring reliable network redundancy and continuous communication in industrial environments. With built-in 24V DC digital inputs and outputs, it supports direct connection to field devices, reducing the need for additional modules.
The controller also supports expansion via 1734 POINT I/O modules, allowing flexible system scaling. Its integrated USB port simplifies programming and maintenance, while the 512 KB memory capacity enables efficient execution of control logic and data handling tasks.
Product Specifications
| Parameter | Description |
|---|---|
| Model | 1769-L18ER-BB1B |
| Product Series | CompactLogix 5370 L1 |
| Controller Type | Ethernet Programmable Controller |
| Power Supply | 24 VDC |
| Memory | 512 KB |
| Ethernet Ports | 2 × EtherNet/IP (DLR capable) |
| USB Port | 1 × USB programming/downloading port |
| Digital Inputs | 16 × 24 VDC inputs |
| Digital Outputs | 16 × 24 VDC outputs |
| I/O Expansion | Supports up to 8 POINT I/O (1734) modules |
| Max Ethernet Nodes | 8 EtherNet/IP nodes |
| Communication Protocol | EtherNet/IP |
| Backplane Compatibility | POINT I/O (1734) |
| Mounting Type | DIN rail |
| Operating Temperature | 0°C to 60°C |
| Dimensions | 144 × 100 × 105 mm |
| Weight | 0.66 kg |
Applications
● Small to medium automation systems requiring integrated control and Ethernet networking
● OEM machinery and equipment where compact design and built-in I/O reduce system complexity
● Distributed I/O systems utilizing POINT I/O expansion for flexible architecture
● Industrial networks requiring redundancy through DLR ring topology
● Manufacturing and assembly lines with moderate I/O and real-time communication needs
Advantages
● Integrated I/O and controller design reduces hardware requirements and simplifies system layout
● Dual Ethernet ports with DLR capability provide network redundancy and improved reliability
● Compact form factor ideal for space-constrained control panels
● Flexible expansion via POINT I/O modules allows scalable system growth
● Built-in USB port simplifies programming, configuration, and maintenance
● Efficient memory capacity (512 KB) supports standard automation tasks with reliable performance
● Supports EtherNet/IP communication for seamless integration with modern industrial networks
● Optimized for distributed architectures using POINT I/O backplane
Excellent PLC
