🧠 Complete Guide to Allen-Bradley MicroLogix PLCs | Bulletins 1761, 1763, 1762, 1766, 1764

The Allen-Bradley MicroLogix PLC Family is a cornerstone in compact industrial automation. Whether you're maintaining legacy systems or building cost-effective solutions, this range offers flexibility, reliability, and excellent integration for a wide array of applications.

This blog explores all five major models—each represented by a unique Bulletin number—to help you identify and purchase the right product quickly.

👉 View Full Collection: Allen-Bradley MicroLogix PLCs

📦 MicroLogix PLC Family Overview (with Bulletins)

Each MicroLogix controller is identified by a distinct bulletin number, helping users and integrators quickly find compatible units and documentation.

🔹 BULLETIN 1761 – MicroLogix 1000

A fixed I/O PLC perfect for simple control tasks. Its compact design makes it ideal for standalone equipment or small automation panels.

🔹 BULLETIN 1763 – MicroLogix 1100

Adds Ethernet and LCD screen for enhanced diagnostics. Supports expansion via 1762 modules, allowing scalability for small-to-mid systems.

🔹 BULLETIN 1762 – MicroLogix 1200

Modular PLC offering flexible memory, high-speed counters, and multiple expansion options. Perfect for advanced machine-level control.

🔹 BULLETIN 1766 – MicroLogix 1400

Combines the best of the 1100 and 1200, with more I/O, Ethernet/IP and Modbus TCP support, real-time clock, and data logging. Up to 256 I/O points.

🔹 BULLETIN 1764 – MicroLogix 1500

High-performance modular controller with a two-piece architecture. Supports more memory and faster processing—great for complex OEM applications.

📊 MicroLogix One-Column Model Comparison

• 1761 – MicroLogix 1000: Fixed I/O, basic applications

• 1763 – MicroLogix 1100: Ethernet + LCD + Expansion

• 1762 – MicroLogix 1200: Modular + Customizable I/O

• 1766 – MicroLogix 1400: Advanced Ethernet + Modbus + Data Logging

• 1764 – MicroLogix 1500: High performance + Modular base

✅  Built on Trust and Expertise

At DDPARTSSOLUTION, we maintain an in-stock inventory of all MicroLogix PLCs—including discontinued models. With years of experience in industrial automation, our content reflects real-world knowledge, and our parts are ready to ship worldwide.

🔗 Explore Our Related Collections

• Allen-Bradley MicroLogix PLCs | 1000, 1100, 1200, 1400, 1500

• Allen-Bradley Micro Control Systems | Micro800 Family

• Allen-Bradley Micro800 Plug-in Modules

❓ Frequently Asked Questions (FAQ)

📅 Are MicroLogix PLCs still supported?

While some models like the 1000 and 1500 are discontinued by Rockwell, we have them in stock for legacy replacements.

🌐 Which models support Ethernet?

1763 (1100) and 1766 (1400) offer Ethernet/IP connectivity. The 1400 adds Modbus TCP/IP support.

🔌 Can I expand my MicroLogix system?

Yes. The 1763 (1100) and 1762 (1200) support 1762 expansion I/O modules.

🆚 What’s the difference between MicroLogix and Micro800?

MicroLogix is a more traditional PLC series, while Micro800 offers plug-in expansion and newer firmware for modern control strategies.