Product Introduction
The Allen Bradley 1769-L27ERM-QBFC1B CompactLogix 5370 L2 Ethernet Controller is a powerful mid-range programmable automation controller designed for integrated control, motion, and networking applications. As part of the CompactLogix 5370 L2 family, it delivers a balanced combination of embedded I/O, motion capability, and high-speed EtherNet/IP communication.
This controller features dual EtherNet/IP ports with Device Level Ring (DLR) capability, ensuring robust and fault-tolerant network communication. It integrates digital and analog I/O, along with high-speed counters, enabling it to handle complex automation tasks including motion control, signal processing, and real-time system coordination.
With 1 MB of memory and support for CIP Motion, the controller can manage up to four motion axes, making it suitable for synchronized motion applications. Its ability to expand with additional 1769 I/O modules further enhances system flexibility and scalability.
Product Specifications
| Parameter | Description |
|---|---|
| Model | 1769-L27ERM-QBFC1B |
| Product Series | CompactLogix 5370 L2 |
| Controller Type | Ethernet Motion Controller |
| Power Supply | 24 VDC |
| Memory | 1 MB |
| Ethernet Ports | 2 × EtherNet/IP (DLR capable) |
| Digital Inputs | 16 × 24 VDC inputs |
| Digital Outputs | 16 × 24 VDC outputs |
| Analog Inputs | 4 × universal inputs |
| Analog Outputs | 2 × outputs |
| High-Speed Counters | 4 channels |
| Motion Capability | Up to 4 CIP Motion axes |
| I/O Expansion | Up to 4 × 1769 I/O modules |
| Communication Protocol | EtherNet/IP |
| Programming Port | USB |
| Mounting Type | DIN rail |
| Operating Temperature | 0°C to 60°C |
| Dimensions | 140 × 105 × 118 mm |
| Weight | 0.9 kg |
Applications
● Motion control systems requiring multi-axis synchronization and precise positioning
● Packaging and assembly machinery with integrated digital and analog control requirements
● Material handling systems utilizing high-speed counters and motion coordination
● OEM automation equipment needing compact design with embedded I/O and motion capability
● Distributed automation networks with redundant Ethernet communication using DLR topology
Advantages
● Integrated motion control capability supports up to 4 CIP Motion axes for synchronized operations
● Dual Ethernet ports with DLR provide network redundancy and improved system reliability
● Embedded digital and analog I/O reduces the need for additional modules and simplifies system design
● High-speed counters enable precise measurement and control in timing-critical applications
● Scalable I/O expansion allows adaptation to changing system requirements
● Compact and efficient design saves panel space while maintaining high functionality
● 1 MB memory capacity supports complex control logic and data handling
● Seamless EtherNet/IP integration ensures compatibility with modern industrial networks
Excellent PLC
