Product Introduction
The Allen Bradley 1769-L24ER-QBFC1B CompactLogix 5370 L2 Ethernet Controller is a compact industrial automation controller designed for machine control and small production systems. As part of the CompactLogix 5370 L2 series, the controller integrates processing capability, digital and analog I/O, and EtherNet/IP networking into a single device, providing a reliable control platform for modern industrial environments.
This controller features built-in digital inputs and outputs as well as universal analog I/O channels, allowing it to directly connect with field devices such as sensors, transmitters, valves, and actuators. The integrated architecture reduces the need for additional modules and simplifies system design for compact automation applications.
The controller also supports EtherNet/IP communication, enabling connection with HMIs, drives, remote I/O devices, and other controllers. With this network capability, the controller can easily be integrated into distributed automation systems while maintaining stable and efficient data exchange.
With 0.75 MB memory and high-speed counter capability, the device supports machine logic processing, motion monitoring, and signal acquisition. Its compact design and reliable performance make it suitable for OEM equipment, small manufacturing machines, and automated production cells.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | 1769-L24ER-QBFC1B |
| Product Type | CompactLogix 5370 L2 Ethernet Controller |
| Memory | 0.75 MB |
| Communication Interface | EtherNet/IP |
| Digital Inputs | 16 DC Inputs |
| Digital Outputs | 16 DC Outputs |
| Analog Inputs | 4 Universal Analog Inputs |
| Analog Outputs | 2 Universal Analog Outputs |
| High-Speed Counters | 4 Channels |
| Power Supply | 24 VDC |
| Operating Temperature | 0 to 60 °C |
| Mounting Method | DIN Rail / Panel Mount |
| Dimensions | 118 × 105 × 140 mm |
| Weight | 0.9 kg |
Applications
• Packaging and labeling machines
The controller can manage sensors, counters, and actuators used in automated packaging systems to ensure accurate product detection and process coordination.
• Material handling systems
Suitable for conveyor control, sorting equipment, and automated transport systems that require reliable digital and analog signal processing.
• Small manufacturing equipment
Used in machines such as filling equipment, inspection devices, and assembly stations where compact PLC control is required.
• Industrial process monitoring
The universal analog inputs allow the controller to receive signals from transmitters measuring pressure, temperature, flow, or level.
• Encoder and counting applications
High-speed counter channels support pulse detection for position monitoring, speed measurement, and product counting.
Advantages
• Integrated digital and analog I/O
The controller includes both discrete and universal analog channels, allowing flexible connection with various field devices.
• Compact automation solution
Its integrated design helps reduce panel space and simplifies wiring in compact control cabinets.
• Reliable Ethernet connectivity
Built-in EtherNet/IP networking enables communication with HMIs, drives, and distributed automation systems.
• High-speed counting capability
Four high-speed counters allow accurate processing of encoder pulses and fast digital signals.
• Wide operating temperature range
Designed to operate between 0 and 60 °C, making it suitable for many industrial environments.
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