Brand:Allen Bradley PLC Item No.:Allen Bradley 1764-MM1 Product Origin:USA Product Dimensions:44 × 36 × 14 mm Product Weight:0.1 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1764-MM1 is a dedicated memory module designed for the MicroLogix 1500 PLC platform, providing secure program storage, fast recovery capability, and portable data transfer between controllers. It is widely used in industrial automation systems where program integrity, quick replacement, and system reliability are critical.
This module enhances controller resilience by storing user programs and data in non-volatile memory, enabling automatic recovery after faults or power loss. Although discontinued, it remains highly valued in legacy automation environments for maintenance, backup, and system duplication tasks.
Technical Specifications
Specification Item
Details
Manufacturer
Allen Bradley (Rockwell Automation)
Model Number
1764-MM1
Product Type
Memory Module
Series
MicroLogix 1500
Memory Capacity
8 KB user memory
Memory Type
EEPROM (non-volatile)
Functions Supported
Program backup, restore, compare, protection
Power Retention
Non-volatile storage (no battery required for memory retention)
Hot Swap Capability
Supports insertion/removal under power (with precautions)
Compatible Controllers
1764-LSP, 1764-LRP
Installation Location
Memory slot on MicroLogix 1500 base unit
Operating Temperature
0°C to 55°C
Storage Temperature
-40°C to 85°C
Protection Features
Program write protection, download protection
Dimensions
Approx. 44 × 36 × 14 mm
Weight
Approx. 0.05–0.1 kg
Recommended Related Models
Related Model
Function
1764-LRP
Enhanced MicroLogix 1500 processor
1764-LSP
Standard MicroLogix 1500 processor
1764-24BWA
Base unit for PLC system
1764-28BXB
High-density base unit
1764-RTC
Real-time clock module
1769-IF4
Analog input expansion module
Popular Allen Bradley Automation Products
Model
Category
1756-L81E
ControlLogix CPU
1769-L33ER
CompactLogix controller
1734-IB8
POINT I/O input module
5069-OF4
Analog output module
2711P-T10C4D8
PanelView HMI terminal
1783-US8T
Industrial Ethernet switch
Industrial Applications
The 1764-MM1 is commonly used in industrial environments where program stability, fast recovery, and controller replacement efficiency are essential.
Typical applications include:
OEM machine program backup and duplication
Production line controller replacement
Packaging and assembly automation systems
Pump and motor control systems
Water treatment control systems
HVAC automation systems
Legacy PLC maintenance operations
Field service and commissioning support
Its ability to quickly transfer or restore PLC programs makes it especially valuable for minimizing downtime in industrial operations.
Key Advantages
Non-Volatile Program Storage
Stores user programs in EEPROM memory, ensuring data retention without relying on battery backup systems.
Fast System Recovery
Enables quick restoration of PLC programs after controller failure, significantly reducing downtime.
Portable Program Transfer
Allows programs to be moved between compatible MicroLogix 1500 controllers for efficient commissioning and replacement.
Industrial Reliability
Designed for harsh environments, maintaining stable memory integrity across temperature and electrical noise conditions.
Enhanced System Protection
Supports program compare and write protection features, helping prevent unauthorized or accidental modifications.
Technical FAQs
1. What is the 1764-MM1 used for?
It is used to store and back up PLC programs and data in MicroLogix 1500 systems.
2. Does it require a battery to retain memory?
No. It uses EEPROM non-volatile memory, so program retention does not depend on a battery.
3. Which PLC systems are compatible?
It is compatible with MicroLogix 1500 controllers such as 1764-LSP and 1764-LRP.
4. What is the memory capacity?
It provides approximately 8 KB of user memory.
5. Can it be used for program transfer?
Yes. It allows transferring programs between compatible controllers.
6. Is it still manufactured?
No. It has been discontinued but remains widely used in existing systems.
7. Can it help in system recovery?
Yes. It supports automatic recovery of PLC programs after faults or corruption.
8. Where is it installed?
It is installed directly into the memory slot of the MicroLogix 1500 base unit.
9. Is it hot-swappable?
It supports removal and insertion under power with proper handling procedures.
10. Why is the 1764-MM1 still important today?
Because many industrial facilities still operate MicroLogix 1500 systems, and the module remains essential for maintenance, backup, and rapid system recovery in legacy automation environments.
