The Allen-Bradley 1769-L33ER is a CompactLogix 5370 L3 programmable automation controller designed to provide scalable and reliable control for a wide range of industrial applications. This controller features 2 MB of user memory and dual Ethernet ports, supporting high-performance communication and integration within EtherNet/IP networks. It is designed for use with the 1769 Compact I/O platform, making it an ideal solution for both new machine designs and the modernization of existing control systems.
Features
Integrated Motion support on EtherNet/IP for precise control.
Support for Device Level Ring (DLR) network topologies to ensure high network availability.
Built-in energy storage eliminates the need for lithium batteries.
Compatible with existing 1769 Compact I/O modules.
Includes a removable 1GB secure digital (SD) card for improved data integrity and program backup.
Dual Ethernet ports with support for 32 EtherNet/IP nodes.
Applications
Packaging and Assembly: High-speed case packers, erectors, and labelers.
Process Skids: Compact chemical or liquid processing units with limited space.
Material Handling: Conveyors, sorters, and small-scale warehouse automation systems.
Food and Beverage: Bottling lines and batch processing systems integrated with drives and HMIs.
Water/Wastewater: Localized pump control and treatment monitoring.
Technical Specifications
Product Model
1769-L33ER
Controller Type
CompactLogix 5370 L3
User Memory
2 MB
Communication Ports
1 USB, 1 Dual Ethernet
Max I/O Modules
32 Modules
Max I/O Banks
3 Banks
Operating Temperature
0 to +60 degC (+32 to +140 degF)
Mounting
DIN Rail or Panel Mount
Energy Storage
Built-in (No battery required)
Installation Guidelines
Mount the controller securely onto a standard DIN rail or panel.
Ensure a compatible 1769 power supply (e.g., 1769-PA2 or 1769-PB2) is installed to the left of the controller.
Connect expansion I/O modules to the right side of the controller.
Always attach a 1769-ECR (Right End Cap) to the last module in the bank to properly terminate the backplane circuit.
Ensure the system is powered down before inserting or removing any modules to prevent electrical damage.
Maintain adequate ventilation around the unit to ensure operation within the specified temperature range.
FAQs
What is the 1769-L33ER?
The 1769-L33ER is a modular CompactLogix 5370 controller designed for use with 1769 Compact I/O modules.
Does the 1769-L33ER require a separate power supply?
Yes, the controller requires a dedicated 1769 series power supply for operation.
How many I/O modules can it support?
The controller supports up to 32 I/O modules across 3 banks, depending on the power supply configuration and system layout.
