Allen-Bradley 1769-L33ER CompactLogix 5370 Controller

Overview
The Allen-Bradley 1769-L33ER is a CompactLogix controller from the 5370 product line, designed for reliable and scalable automation control. It supports flexible mounting on either a DIN rail or a panel, with mounting type affecting its shock ratings.

Technical Specifications

• Manufacturer: Rockwell Automation / Allen-Bradley

• Brand: Allen-Bradley

• Part Number/Catalog No.: 1769-L33ER

• Product Family: CompactLogix

• Product Line: CompactLogix 5370

• Product Type: Programmable Automation Controller

• Module Type: Processor Module

• Communication: Ethernet

• Communication Ports: 1 USB; 1 Ethernet

• Supported Protocols: EtherNet/IP

• Memory: 2 MB

• Maximum I/O Modules Supported: 32

• Maximum I/O Banks Supported: 3

• No. of Tasks: 32

• Programs per Task: 100

• Series: A and B

• Shipping Weight: 2 lbs

• Shipping Dimensions: 8 × 8 × 5 in.

Description
The Allen-Bradley 1769-L33ER CompactLogix 5370 controller is a high-performance device offering 2 MB of user memory and Ethernet connectivity for efficient integration with other controllers and devices. It supports up to thirty-two (32) I/O modules across a maximum of three (3) expansion banks when connected with the proper expansion cables.

This controller includes an optional non-volatile memory card of 1784-SD1 (1 GB) or 1784-SD2 (2 GB), enabling additional program and data storage. It has a backplane current draw of 560 mA at 5V DC, supports four power supply modules, and has a maximum power dissipation of 4.5 W.

The 1769-L33ER operates in a temperature range of 0 °C to 60 °C (32 °F to 140 °F) and can be stored between -40 °C and 85 °C (-40 °F to 185 °F). It features an open-style enclosure and can withstand a non-condensing relative humidity range of 0–95%.

Compatible power supplies include 1769-PA4, 1769-PA2, and 1769-PB4, ensuring flexibility in system integration.