The Allen-Bradley 1764-MM2 is a plug-in EEPROM memory module for the MicroLogix 1500 controller series. It provides 16 KB of non-volatile storage for backing up user programs and data files, enabling program compare, auto-load, and power-down recovery functions. Designed for high-reliability applications, it supports hot insertion/removal and secure program protection.
Technical Specifications
Model: 1764-MM2
Series: MicroLogix 1500
Memory Type: EEPROM (non-volatile)
Capacity: 16 KB
Supported Functions:
Program and data backup
Program compare
Auto-load on power-up
Download protection
Write protection (permanent once set)
Status Bits:
S:2/9 – Prevent Run if program mismatch
S:1/10 – Auto-load if memory error
S:1/11 – Always load from memory module
S:1/12 – Auto-run on power-up
Power Supply: Via controller backplane
Current Draw: 350 mA @ 5 VDC
Heat Dissipation: 1.75 W
Operating Temperature: 0°C to +55°C
Storage Temperature: –40°C to +60°C
Enclosure Rating: IP20
Compatible Controllers: 1764-LSP, 1764-LRP
Compatible Base Units: 1764-24AWA, 1764-24BWA, 1764-28BXB
Installation Notes
Insert into the memory module slot on MicroLogix 1500 base
Supports hot insertion/removal
Controller must be in Program or Fault mode, or power-cycled to recognize module
Removing the module clears RTC function file (if present)
Use “Disable Clock” function before long-term storage
Use COMMS > EEPROM > Load to EEPROM in RSLogix 500 to write program
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
