
( Brand: Allen-bradley ), ( Manufacturer Part Number: 1771-HM3A ), ( Part Type: Module )
The Allen-Bradley 1771-HM3A CMOS Memory Module is a reliable and high-performing memory solution designed for Rockwell Automation's Allen-Bradley PLCs (Programmable Logic Controllers). This memory module is essential for storing data and programs in your automation system, ensuring smooth and efficient operation.
The 1771-HM3A is a 32-bit, 16K Word, CMOS static random-access memory (SRAM) module. It offers a fast access time, making it ideal for applications that require quick data retrieval. The memory module is fully compatible with Allen-Bradley PLC-5 and SLC 5/03 processors, providing seamless integration into your existing system.
Each 1771-HM3A module features 16K Words of data memory, organized into 4096 32-bit data locations. The memory is static, meaning it retains data even when power is turned off, ensuring data integrity during power interruptions. The module also includes a built-in parity check to further enhance data accuracy.
The Allen-Bradley 1771-HM3A CMOS Memory Module is housed in a compact, 8-pin DIP (Dual In-Line Package) for easy installation and replacement. The module's high-quality construction ensures durability and long-term reliability in demanding industrial environments.
In summary, the Allen-Bradley 1771-HM3A CMOS Memory Module is a versatile and essential component for your Allen-Bradley PLC system. Its fast access time, large capacity, and compatibility with various Allen-Bradley PLC models make it an excellent choice for a wide range of industrial automation applications.
The Allen-Bradley 1771-HM3A CMOS Memory Module is a memory solution often used in Rockwell Automation systems. Let's discuss its pros and cons to help you make an informed decision.
Pros:1. Compatibility: This module is designed to work seamlessly with Allen-Bradley and Rockwell Automation controllers, ensuring a smooth integration into your existing system.
2. Reliability: CMOS technology is known for its low power consumption and high reliability, making it suitable for industrial applications where power efficiency and long-term operation are important.
3. Wide Temperature Range: It can operate effectively in a wide temperature range, making it suitable for various environments.
4. Easy to Install: The module is easy to install, requiring minimal configuration, saving time and reducing the installation cost.
Cons:1. Limited Capacity: Compared to some other memory types, the 1771-HM3A has a relatively low capacity, which might not be enough for applications requiring large amounts of storage.
2. Cost: This module might be more expensive compared to other CMOS memory modules from less-known brands, which could be a concern for budget-conscious buyers.
3. Availability: Due to its brand reputation and specific application, availability might be limited, especially in regions with less industrial automation infrastructure.
In conclusion, the Allen-Bradley 1771-HM3A CMOS Memory Module is a reliable and compatible solution for Rockwell Automation systems. However, its limited capacity and potentially higher cost might be drawbacks for some users. If capacity is not a concern, and you need a reliable memory module for your Rockwell Automation system, the 1771-HM3A could be a good choice. If you're looking for a more cost-effective solution or require a larger capacity, you might want to consider other options. Always ensure to check the specific requirements of your application before making a purchase.
This Rockwell / Allen-Bradley 1771-HM3A CMOS Memory Module is used and in excellent condition. Configuration: Memory: 64 KW Part Number: 90747703 Battery is used.