Allen-Bradley 1769-L33ER CompactLogix 2 MB ENet Controller

Overview
The 1769-L33ER by Allen-Bradley is a high-performance CompactLogix processor module with 2 MB onboard memory and Ethernet connectivity. Designed to control and monitor complex automation systems, it supports multiple I/O modules, extensive task management, and robust memory options for reliable operation in industrial environments.

Technical Specifications

• Brand & Model: Allen-Bradley 1769-L33ER

• Product Type: Programmable Automation Controller

• Product Line: CompactLogix

• Module Type: Processor/Controller

• Memory: 2 MB internal memory; supports 1784-SD1 (1 GB) or 1784-SD2 (2 GB) SD cards for non-volatile storage

• Communication Ports: 1 Ethernet, 1 USB

• Supported Protocols: EtherNet/IP

• Maximum I/O Modules: 32 modules

• Maximum I/O Banks: 3

• Number of Tasks: 32

• Programs per Task: Up to 100

• Supported Series: A and B

• Wire Type: Copper rated 90°C

• Wire Size (Solid): 22–14 AWG

• Wire Size (Stranded): 22–16 AWG

• Battery: Internal energy storage; no external battery required

• Operating Temperature: 0° to +60°C (+32° to +140°F)

• Vibration Tolerance: 10–500 Hz, 5G, 0.030 in. peak-to-peak

• Mounting Options: DIN Rail or Panel Mounting

• Weight: 1 lb (0.45 kg)

Features

• Dual communication with USB and Ethernet ports

• High-speed 2 MB memory with SD card support for program backup

• Supports up to 32 I/O modules for complex automation tasks

• Compact form factor with flexible mounting options

Applications
Ideal for CompactLogix automation systems requiring Ethernet connectivity, multi-task control, and high reliability for machine and process control.

FAQ

Q: Does the 1769-L33ER require a battery?
A: No, it uses internal energy storage; external battery not required.

Q: How many I/O modules can it support?
A: Up to 32 modules across 3 I/O banks.

Q: Can I expand memory for non-volatile storage?
A: Yes, via 1784-SD1 (1 GB) or 1784-SD2 (2 GB) SD cards.