384 KB Memory Capacity
The Allen-Bradley 1766-MM1 is a 384 KB removable memory module specifically designed for the MicroLogix 1400 programmable controller platform.
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Technical specifications, features, applications and purchasing information.
| Brand | Allen-Bradley |
| Model Number | 1766-MM1 |
| Product Category | PLC Memory Module |
| Product Family | MicroLogix 1400 |
| Manufacturer Catalog Number | 1766-MM1 |
| Module Function | Removable Controller Program and Data Backup |
| Memory Capacity | 384 KB |
| Controller Compatibility | Allen-Bradley MicroLogix 1400 (1766 Series) |
| Program Backup | Supported |
| User Data Backup | Supported |
| Program Transfer Between Controllers | Supported for Compatible MicroLogix 1400 Controllers |
| Program Comparison | Supported |
| Automatic Recovery | Supported Through Power Cycle When Properly Configured |
| Memory Protection | Program and Data File Protection Functions Supported |
| Removal and Insertion Under Power | Supported Subject to Manufacturer Instructions |
| Installation Location | MicroLogix 1400 Controller Memory Module Port |
| Temperature Rating | -20 to +60°C (-4 to +140°F) |
| Product Series | Series A; Verify Product Label |
| Manufacturer UPC | 612598589708 |
| Manufacturer-Listed Lifecycle Status | Active Mature |
| Manufacturer Selection Guide | Rockwell Automation Publication 1761-SG001 |
| Manufacturer User Manual | Rockwell Automation Publication 1766-UM001 |
| Installation Instructions | Rockwell Automation Publication 1766-IN010 |
The Allen-Bradley 1766-MM1 is a 384 KB removable memory module specifically designed for the MicroLogix 1400 programmable controller platform.
The module provides removable storage for MicroLogix 1400 user programs and data, supporting controller backup and maintenance operations.
The memory module allows stored programs to be transferred between compatible MicroLogix 1400 controllers, subject to controller configuration and application requirements.
When properly configured, the memory module supports automatic program recovery through a controller power cycle after certain controller faults.
Supported functionality includes program comparison, data file protection and memory module write protection for applicable controller applications.
The 1766-MM1 installs in the designated MicroLogix 1400 memory module port and supports removal and insertion under power when performed in accordance with Rockwell Automation instructions.
We support online purchase of the Allen-Bradley 1766-MM1 PLC Memory Module. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
What is the Allen-Bradley 1766-MM1?
It is a removable memory module designed for Allen-Bradley MicroLogix 1400 programmable controllers.
What is the memory capacity of 1766-MM1?
Rockwell Automation specifies a memory capacity of 384 KB for the 1766-MM1.
Which PLC controllers are compatible with this module?
The module is designed for the Allen-Bradley MicroLogix 1400 controller family. Verify the controller model and firmware requirements before use.
Can the 1766-MM1 back up PLC programs?
Yes. The module supports removable backup of MicroLogix 1400 user programs and user data.
Can programs be transferred between MicroLogix 1400 controllers?
Yes. Rockwell Automation documents program transportation between compatible controllers as a supported memory module function.
Does the 1766-MM1 expand PLC execution memory?
It is a removable backup and program-transfer module rather than an expansion of the controller processor's execution memory.
Can the module help recover from a controller fault?
Yes. The manufacturer documents automatic recovery through a power cycle after certain faults when the memory module and controller are correctly configured.
Does 1766-MM1 support write protection?
Yes. Supported memory module functions include protection of programs, data files and memory module contents according to the selected configuration.
Can the memory module be inserted or removed while powered?
Rockwell Automation identifies removal and insertion under power as a supported function. Always follow the applicable installation instructions and ensure the operation is safe for the connected equipment.
Is the 1766-MM1 a real-time clock module?
No. The MicroLogix 1400 controller includes a built-in real-time clock. The 1766-MM1 is the optional memory module.
What is the operating temperature rating?
Rockwell Automation lists a temperature rating of -20 to +60°C (-4 to +140°F).
What should be checked before ordering?
Confirm catalog number 1766-MM1, 384 KB capacity, MicroLogix 1400 controller compatibility, required backup or program-transfer functionality, module condition, controller firmware and the applicable installation procedures.
Send us your part number and technical requirements.