Allen-Bradley 1766-MM1: MicroLogix 1400 Memory Expansion Module

The Allen-Bradley 1766-MM1 provides essential memory expansion for MicroLogix 1400 controller systems. This 384 KB memory module from Rockwell Automation delivers reliable data protection and program storage. It ensures operational continuity by preventing accidental program loss and enabling quick recovery. For complete installation and programming instructions, download our comprehensive technical manual.

Download Complete Technical Manual (PDF)

Technical Specifications & Compatibility

• Brand & Series: Allen-Bradley MicroLogix 1400 Accessory
• Model Number: 1766-MM1 Memory Expansion Module
• Memory Capacity: 384 KB additional storage space
• Operating Temperature: 0°C to 55°C (32°F to 131°F)
• Controller Compatibility: 1766-L32AWA, 1766-L32AWAA, 1766-L32BWA
• Additional Models: 1766-L32BWAA, 1766-L32BXB, 1766-L32BXBA

Installation & Operation

• Insert directly into the MicroLogix 1400 memory module slot
• Remove the protective cover before installation
• Module recognizes after controller power cycle when hot-swapped
• Use system prompts for configuration and loading commands
• Transfer contents to controller memory as needed
• Does not increase the controller's integrated memory capacity

Packaging & Shipping Information

• Genuine Allen-Bradley 1766-MM1 memory module
• Complete installation and operation documentation
• Worldwide shipping via FedEx, UPS, and DHL services
• Secure packaging with static protection
• Fast order processing and dispatch

Warranty & Support Services

• Comprehensive 12-month product warranty
• Technical support for installation and configuration
• Expert guidance for program backup strategies
• Replacement service for defective units

Professional Technical FAQs

• Does this module expand the controller's internal memory?
• No, it provides separate backup storage rather than expanding internal capacity.
• What happens during a controller power cycle with the module installed?
• The module can automatically load programs into the controller memory.
• Can I use this module for safety-critical applications?
• Yes, it includes special security features for press control and critical systems.
• How does the write protection feature work?
• It prevents accidental modification of stored programs and data files.
• What status bits monitor the memory module operation?
• Bits S:1/10, S:1/11, and S:1/12 provide operational status information.

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