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Allen Bradley 1769-L33ERMS CompactLogix 5370 L3 Ethernet Controller
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Product Introduction
The Allen Bradley 1769-L33ERMS CompactLogix 5370 L3 Ethernet Controller is a high-performance safety-enabled programmable controller designed for advanced industrial automation systems requiring both standard and safety control in a unified platform. As part of the CompactLogix 5370 L3 series, it delivers powerful processing capability, integrated safety functionality, and scalable network communication.
This controller features dual EtherNet/IP ports with Device Level Ring (DLR) capability, ensuring reliable and redundant network communication. It combines 2 MB of standard memory with 1 MB of dedicated safety memory, allowing separation of safety-critical logic from standard control tasks, which is essential for achieving functional safety compliance.
With support for up to 16 I/O expansion modules and 32 EtherNet/IP nodes, the controller is well suited for distributed automation architectures and complex machine control applications. Its USB interface simplifies programming and maintenance, while the integrated safety features reduce the need for separate safety controllers.
Product Specifications
| Parameter | Description |
|---|---|
| Model | 1769-L33ERMS |
| Product Series | CompactLogix 5370 L3 |
| Controller Type | Safety Ethernet Controller |
| Power Supply | Requires external 1769 power supply |
| Standard Memory | 2 MB |
| Safety Memory | 1 MB |
| Ethernet Ports | 2 × EtherNet/IP (DLR capable) |
| USB Port | 1 × USB programming/downloading port |
| Max Ethernet Nodes | 32 EtherNet/IP nodes |
| I/O Expansion | Up to 16 × 1769 I/O modules |
| Embedded I/O | None |
| Communication Protocol | EtherNet/IP |
| Mounting Type | DIN rail |
| Operating Temperature | 0°C to 60°C |
| Dimensions | 132 × 89 × 105 mm |
| Weight | 0.54 kg |
Applications
● Safety-critical industrial systems requiring integrated safety and standard control
● Packaging and assembly machinery with safety interlocks and motion coordination
● Robotic workcells where safe operation and real-time control must coexist
● Distributed automation systems utilizing EtherNet/IP communication and safety protocols
● Material handling systems requiring emergency stop and safe control functions
Advantages
● Integrated safety functionality eliminates the need for a separate safety PLC
● Dual memory architecture ensures separation of standard and safety logic for higher system integrity
● Dual Ethernet ports with DLR provide network redundancy and reliable communication
● High memory capacity (2 MB + 1 MB safety) supports complex applications
● Scalable I/O expansion allows system growth and flexibility
● Supports up to 32 Ethernet nodes enabling large distributed control systems
● USB programming interface simplifies configuration and maintenance
● Compact modular design reduces panel space while maintaining high performance
FAQ
- What is the benefit of having both standard and safety memory?
It allows safety-critical programs to be isolated from standard logic, ensuring compliance with safety standards and improving system reliability. - Can this controller replace a separate safety PLC?
Yes, it integrates both safety and standard control functions within a single device. - How does DLR improve network reliability?
It provides a ring topology that maintains communication even if one connection fails. - What types of applications require a safety controller?
Applications involving machine guarding, emergency stops, and personnel protection systems. - How many I/O modules can be connected?
Up to 16 1769 I/O expansion modules can be added. - What is the role of EtherNet/IP in this controller?
It enables communication with other industrial devices such as drives, HMIs, and remote I/O systems. - Is the controller suitable for distributed systems?
Yes, it is designed for network-based distributed control architectures. - How is programming performed?
Programming is done via USB or Ethernet using compatible automation software. - Can it handle complex automation systems?
Yes, its memory capacity and scalability make it suitable for advanced applications. - What industries commonly use this controller?
It is widely used in manufacturing, automotive, packaging, and process industries.
Related Models
| Model | Description |
|---|---|
| 1769-L33ER | Standard CompactLogix L3 controller |
| 1769-L30ER | Modular CompactLogix controller |
| 1769-L36ERM | Motion-enabled CompactLogix controller |
| 1769-L27ERM-QBFC1B | CompactLogix L2 motion controller |
| 1769-PA2 | Power supply module |
| 1769-IF4 | Analog input module |
Popular Models
| Model | Description |
|---|---|
| 1769-L33ER | CompactLogix Ethernet controller |
| 1756-L71 | ControlLogix processor |
| 1756-IB16 | Digital input module |
| 1756-OB16E | Digital output module |
| 1763-L16BWA | MicroLogix 1100 controller |
| 1766-L32AWAA | MicroLogix 1400 controller |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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