Allen-Bradley 1769-L33ER CompactLogix Controller

The Allen Bradley 1769-L33ER is a CompactLogix 5370 L3 controller designed for small to mid-size control applications. It offers a cost-effective solution with integrated communication options and modular design, making it ideal for a wide range of industrial automation environments.

Technical Specifications

  • Model: 1769-L33ER
  • Type: CompactLogix 5370 L3 Controller
  • User Memory: 2 MB
  • Nonvolatile Memory: 1784-SD1 (1 GB) Secure Digital (SD) card included; supports up to 2 GB SD card
  • Communication Ports: 2 EtherNet/IP ports, 1 USB port
  • EtherNet/IP Nodes Supported: Up to 32
  • Controller Connections: 256
  • Local Expansion Modules: Up to 16 1769 I/O modules
  • Power Supply Distance Rating: 4 modules
  • Mounting: DIN Rail or Panel Mount
  • Dimensions (W x H x D): 55 mm x 118 mm x 105 mm
  • Weight: Approximately 0.31 kg (0.68 lb)
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)
  • Relative Humidity: 5% to 95% (non-condensing)
  • Enclosure Type Rating: None (open-style)
  • Manufacturer: Rockwell Automation

Key Features

  • Supports Integrated Motion over EtherNet/IP for up to 8 axes
  • Dual Ethernet ports with embedded switch technology for linear and Device Level Ring (DLR) topologies
  • USB port for easy programming and firmware updates
  • Open socket capability allows support for Modbus TCP and devices such as printers, barcode readers, and servers
  • Energy storage eliminates the need for battery replacement
  • Compatible with Studio 5000 Logix Designer software

Compatible Components & Accessories

  • 1769 Compact I/O modules
  • 1769 power supplies (e.g., 1769-PA2, 1769-PB2)
  • 1784-SD2 (2 GB) Secure Digital (SD) card
  • Studio 5000 Logix Designer software

Industry Applications

  • Factory automation systems
  • Process control applications
  • Material handling systems
  • Packaging machinery
  • Water and wastewater treatment facilities

Installation & Maintenance Notes

  • Install the controller as the leftmost module in the first bank of the system
  • Ensure proper power supply selection based on system requirements
  • Use appropriate communication cables for Ethernet and USB connections
  • Regularly back up the controller program to the SD card
  • Refer to the user manual for detailed installation and maintenance guidelines


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TCI Supply is not an authorized Rockwell Automation distributor

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