1769-L33ERK

Overview of Allen Bradley 1769-L33ERK

The Allen Bradley 1769-L33ERK CompactLogix 5370 L3 Controller is engineered for demanding mid-range control applications requiring high network throughput and integrated motion capabilities. Featuring dual Ethernet ports with Device Level Ring (DLR) support, 2MB of onboard user memory, and compatibility with up to 16 local I/O expansion modules, this model delivers dependable performance in environments where modularity and connectivity are critical. The controller also comes equipped with a conformal coating for enhanced environmental protection, making it suitable for varied industrial settings prone to humidity, dust, or corrosive elements. Integrated seamless communications over EtherNet/IP allow the 1769-L33ERK to connect with up to 32 Ethernet nodes for efficient data exchange and supervisory control. Its compact design aids in flexible installation and integration, ideal for OEMs and plant modernization projects.

Key Features of Allen Bradley 1769-L33ERK

• 2MB user memory for complex control programs
• Dual Ethernet/IP ports with Device Level Ring (DLR) capability
• Supports up to 16 1769 I/O modules for scalable solutions
• Up to 32 Ethernet/IP node connections
• Conformal coating for increased environmental durability
• Standard 1GB SD memory card included for data storage
• 24V DC input power supply

Technical Specs of 1769-L33ERK

• User Memory: 2MB
• EtherNet/IP: Dual ports, DLR enabled
• I/O Expansion: Up to 16 local modules
• Max Ethernet Nodes: 32
• SD Card: 1GB included
• Conformal coating for harsh environments
• Power Supply: 24V DC
• Operating Temp: 0 to 60°C
• Dimensions: Approx. 105 mm depth

Applications / Use Case

The Allen Bradley 1769-L33ERK is suited for a range of automated industrial processes where centralized, reliable control and high-speed communications are essential. Ideal for machine builders, packaging lines, material handling, and mid-sized manufacturing cells, the controller’s ability to manage up to 32 EtherNet/IP devices enables robust integration of sensors, drives, and remote I/O modules. The conformal coating and compact form factor make it a strong choice for installation in electrical panels exposed to challenging environments. Its architecture supports scalable automation, allowing for system expansion without major hardware changes, benefiting upgrades and flexible production setups. With support for advanced motion control and seamless data sharing, it is also well-matched for operations requiring synchronized movement, high data acquisition rates, and real-time diagnostics.

Related Resources

• LeadTime.ca – Industrial Automation Components & Repair Services
• View All Allen Bradley Products
• Top PLC Brands Compared: Siemens, Allen Bradley & Mitsubishi
• Allen Bradley 5069-L320ER CompactLogix Controller
• Allen Bradley 1769-OF8 Analog Output Module