MicroLogix 1400 Programmable Controllers

Instruction Set Reference Manual

Introduction to the MicroLogix 1400

The MicroLogix 1400 Programmable Controllers from Allen-Bradley (a Rockwell Automation brand) are designed for a wide range of industrial automation applications. This manual serves as a comprehensive reference for understanding and utilizing the instruction set, configuration options, and operational features of these controllers.

Key areas covered include I/O configuration, controller memory and file types, function files, high-speed counters and outputs, relay-type instructions, timer and counter instructions, compare instructions, math instructions, and process control.

Key Features and Functionality

  • Detailed instruction set reference for programming.
  • Guidance on I/O configuration and addressing.
  • Information on controller memory management and data files.
  • Explanation of various function files, including real-time clock and communication status.
  • Sections dedicated to high-speed operations, including counters and outputs.
  • Coverage of logical, move, file, sequencer, and program control instructions.
  • In-depth look at process control, ASCII instructions, and communication protocols.

Resources and Support

For further information, firmware upgrades, and support, please visit the official Rockwell Automation website:

Allen-Bradley MicroLogix Information

This manual is essential for engineers and technicians involved in the design, implementation, and maintenance of automation systems utilizing the MicroLogix 1400 controllers.

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