Purchase now: Allen-Bradley 1766-MM1 MicroLogix 1400 Backup Memory Module
Atlantechdrives provides you the 1766-MM1, a specialized 128KB memory module designed specifically for the MicroLogix 1400 (1766) controller family. This industrial-grade accessory provides non-volatile storage for your ladder logic, data tables, and configuration settings, acting as a critical safeguard against data loss and facilitating rapid machine recovery.
- Memory Capacity: 128 KB
- Function: Program Backup, Data Security, and Firmware Updates
- Compatibility: All MicroLogix 1400 (1766) Controllers
- Security: Supports user password protection and program compare
- Installation: Side-port plug-in architecture
Technical Engineering: Disaster Recovery for Modern Manufacturing
The 1766-MM1 is engineered to be the ultimate safety net for your automation system. While the MicroLogix 1400 has internal non-volatile memory, the 1766-MM1 allows for the «Load on Power-Up» and «Load on Error» features. If a controller’s internal memory is corrupted by an electrical surge or hardware fault, the 1766-MM1 can automatically restore the master program in seconds, allowing the machine to resume operation without the need for a technician or a PC. This is vital for remote sites or 24/7 production facilities. Furthermore, the 1766-MM1 simplifies the replication of PLC programs; a single programmed module can be used to «clone» logic onto multiple machines, ensuring consistency across your production line and reducing commissioning time significantly.
Installation Advice: Secure Slot Engagement
Before installing the 1766-MM1, the MicroLogix 1400 controller **must** be powered down. Remove the protective side cover and slide the module into the dedicated slot until it clicks. In the RSLogix 500 software, navigate to the «Memory Module» tab in the controller properties to configure how the PLC interacts with the module. You can set the «Store Project to Module» command once your machine tuning is complete. We recommend using the «Compare» function to ensure the logic on the module perfectly matches the internal CPU memory. This prevents unintended machine behavior during an automatic reload event. Always re-install the protective side cover to protect the 1766-MM1 from metallic dust and oils.
Maintenance and Storage Reliability
The 1766-MM1 is a solid-state flash device with an incredibly high endurance for read/write cycles. However, the gold-plated pins on the connector should be kept clean; if the module has been stored outside the PLC, use a blast of compressed air to clear any debris before insertion. If the PLC’s LCD displays a «Memory Module Fault,» check for physical damage to the pins or a firmware mismatch between the module and the controller. Sourcing your 1766-MM1 from Atlantechdrives ensures you receive a genuine Allen-Bradley module with verified data integrity, protecting your critical machine logic from accidental deletion or corruption.
FAQs
Q: Does the 1766-MM1 store the Ethernet IP settings?
A: Yes, if configured in the software, the 1766-MM1 will back up the entire channel configuration, including IP addresses and Modbus settings.
Q: Can I use the 1766-MM1 in a MicroLogix 1100?
A: No, the 1766-MM1 is physically and electrically keyed for the 1400 series. For the 1100, you require the 1763-MM1.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
This memory module ensures non-volatile storage for your user programs and is the standard backup for MicroLogix 1400 processors.
