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Allen Bradley MicroLogix 1500 1764-MM1

1764-MM1

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The Allen-Bradley 1764-MM1 is a Memory Module compatible with MicroLogix 1500 Programmable Logic Controllers (PLC). This memory has a memory amounting to 8KB. This memory module enables transporting of user programs from one controller to another and serves as a backup and automatic recovery for deleted and corrupted PLC program files.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.
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Technical specifications for 1764-MM1

ManufacturerRockwell Automation
Part Number/Catalog No.1764-MM1
BrandAllen-Bradley
Product Family:MicroLogix 1200
Supported controllers:1764-LRP; 1764-LSP
Allowable Functions:User Program and Data Back-up, User Program Compare, Data File Download Protection, Memory Module Write Protection and Removal/Insertion Under Power
Mounting:Memory Module slot
User Memory:8 Kbytes
Operating Temperature:0-55 deg.C
Support automatic loading:Yes
System Status File:S:2/9 Memory Module Program Compare
Control Bits:Load Memory Module on Memory Error S:1/10 Load Memory Module Always S:1/11 On Powerup, Go to run S:1/12
system Overhead:80 µs
Removal and Insertion under power:Supported
SeriesMicroLogix 1500
FunctionMemory Module
Memory8 Kb
Communication PortsDH-485, Modbus, DF1, and ACSII
Enclosure TypeIP20
Output SourceRelay Port and DC FET
UPC10662468995631
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1764-MM1 has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1764-MM1 units instead of migration.

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

The 1764-MM1 is a MicroLogix 1500 compatible memory module. This memory module is mainly used to provide memory backup, practical data transfer from one controller to another and data recovery during controller’s fault condition. This memory module has an Electrically Erasable Programmable Read Only Memory (EEPROM) memory type and does not require a backup battery to retain the moduel’s contents. the memory contents are retained without the need of a battery.

The 1764-MM1 compares with an compact and portable assembly with integrated memory amounting to 8 Kilo Bytes. This memory module permits saving of user program, perform Data Back-Up, perform Program Compare, implement Data File Download Protection and Memory Module Write Protection. This module supports Removal and Insertion Under Power (RIUP) however, a power cycle may be needed to allow the processor to recognize the installed memory module.

One of the primary use of this memory module is to perform program data and backup. This feature is implemented by saving the controller’s downloaded user program to the memory. With a non-volatile EEPROM type memory module, a litium battery or any battery is not required to mainthe contents of this module. This enables transporting and installing this module to another controller. Additionally, the processor using the 1764-MM1 is permitted for automatic loading of the user program the memory module during every power cycle of the controller. This provides another layer of security and increases process and machine uptime.

The 1764-MM1 is attached to the processor unit to provide safety/security for press control applications and other critical applications, and for auto-recovery of the controller’s program data, in the event of power failure leading to controller fault. The memory module also helps to compare programs in the controller’s processor, and it provides write-protection to the controller’s program data. It has a battery-backed memory capacity of 8 KB, with 5 years minimum of battery lifespan at 40°C, and it can be attached and removed with ease, while the controller is still operating. The Allen-Bradley 1764-MM1 MicroLogix 1500 Memory Module is protected from debris, oil, chemicals, and corrosion by an IP20 enclosure. The 1764-MM1, like every module component of the MicroLogix 1500 system, is built to withstand an operating shock of up to 20G, with an operating vibration of up to 2G at 10 to 500Hz, and it is cUL-us and CE certified.

Revision Part #Also known as
1764-MM1 Ser A1764-MM1/A, Series A, Rev A
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