Brand:Allen Bradley PLC Item No.:Allen Bradley 1769-L33ER Product Origin:USA Product Dimensions:118 × 55 × 105 mm Product Weight:1.0 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1769-L33ER is a CompactLogix 5370 L3 programmable automation controller (PAC) engineered for mid-to-large industrial automation systems that demand powerful processing, scalable I/O architecture, and high-performance EtherNet/IP communication. With integrated dual Ethernet ports, enhanced memory capacity, and support for Device Level Ring (DLR), this controller is widely used in modern manufacturing facilities and OEM machine platforms.
Built for connected industrial environments, the 1769-L33ER delivers exceptional control reliability, seamless network integration, and flexible expansion capabilities, making it one of the most widely adopted CompactLogix controllers in advanced automation systems.
Technical Specifications
Specification Item
Details
Manufacturer
Allen Bradley (Rockwell Automation)
Model Number
1769-L33ER
Product Family
CompactLogix 5370 L3
Controller Type
Programmable Automation Controller (PAC)
User Memory
2 MB
Communication Ports
2 × EtherNet/IP ports, 1 × USB
Ethernet Features
Embedded switch, DLR support
Supported Network Topologies
Linear, star, Device Level Ring
Ethernet/IP Nodes
Up to 32 nodes
TCP Connections
Up to 120
I/O Expansion Capacity
Up to 16 Compact I/O modules
Expansion Banks
Supports up to 3 I/O banks
Programming Software
Studio 5000 Logix Designer
Data Storage
1 GB SD card included, supports up to 2 GB
Power Dissipation
Approx. 4.5 W
Isolation Voltage
30V continuous basic insulation
Power Supply Compatibility
1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
Mounting Type
DIN rail / panel mount
Operating Temperature
0°C to 60°C
Storage Temperature
-40°C to 85°C
Dimensions
Approx. 118 × 55 × 105 mm
Weight
Approx. 0.8–1.0 kg
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Industrial Applications
The 1769-L33ER is extensively used in industrial systems that require reliable Ethernet networking, large memory capacity, and scalable control architectures.
Typical applications include:
Advanced OEM machinery
Packaging and high-speed production lines
Conveyor and material handling systems
Automotive manufacturing systems
Water and wastewater treatment plants
Process control skids and modular systems
SCADA-connected factory automation
Multi-machine synchronized control systems
Its dual EtherNet/IP capability makes it especially suitable for modern Industry 4.0 environments requiring real-time communication and network redundancy.
Key Advantages
High-Capacity 2 MB Memory
Supports complex automation logic, large tag databases, recipe handling, and advanced diagnostics for demanding industrial applications.
Integrated Dual EtherNet/IP Ports
Built-in Ethernet switching with DLR capability improves network reliability while simplifying system wiring and topology.
Flexible Compact I/O Expansion
Supports up to 16 Compact I/O modules and multiple expansion banks for scalable automation system growth.
Strong Industrial Connectivity
Seamlessly integrates with HMIs, SCADA systems, distributed I/O, drives, and enterprise-level industrial networks.
Proven Long-Term Reliability
Widely deployed in mature industrial environments with dependable operation and excellent lifecycle support.
Technical FAQs
1. What is the 1769-L33ER used for?
It is used as a CompactLogix PLC for controlling mid-to-large industrial automation systems with advanced EtherNet/IP networking.
2. How much memory does the controller provide?
The controller includes 2 MB of user memory.
3. Does the 1769-L33ER support dual Ethernet?
Yes. It includes two integrated EtherNet/IP ports with embedded switching capability.
4. What is Device Level Ring (DLR)?
DLR is a redundant Ethernet ring topology that improves network reliability and minimizes downtime.
5. How many I/O modules can it support?
It supports up to 16 Compact I/O modules across multiple expansion banks.
6. What software is required for programming?
It is programmed using Studio 5000 Logix Designer.
7. Does it include onboard I/O?
No. The 1769-L33ER requires external Compact I/O modules for field connectivity.
8. Is it suitable for SCADA integration?
Yes. EtherNet/IP communication allows easy integration with SCADA, HMI, and distributed control systems.
9. What mounting methods are supported?
The controller supports DIN rail and panel mounting configurations.
10. Why is the 1769-L33ER widely used in industrial automation?
Because it combines high-performance processing, 2 MB memory, dual EtherNet/IP communication, scalable Compact I/O support, and reliable industrial operation in a compact automation platform.
