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Allen-Bradley 1746-SN Expansion Memory Module

Brand/Manufacturer: Allen-Bradley

Order Number: 1746-SN

Type: Expansion Memory Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The Allen-Bradley 1746-SN Expansion Memory Module is designed to extend the memory capacity of SLC 500 controllers. This module provides additional storage space for programs, data, and system configuration, enabling enhanced performance and functionality. The 1746-SN module is essential for applications that require more memory for complex control processes or large data sets, such as industrial automation, process control, and manufacturing systems.

With the 1746-SN, users can scale their SLC 500 systems as their operational demands grow, ensuring continuous optimization of the control process without the need to replace the entire PLC system. By supporting faster program execution and allowing more data storage, the 1746-SN module enhances system efficiency and reduces the risk of memory-related downtime.

Key Benefits & Main Features:

  • Memory Expansion: The 1746-SN provides additional 32 KB of memory for SLC 500 systems, offering the flexibility to support larger programs and more complex data processing tasks.

  • Enhanced System Performance: By increasing the available memory, the 1746-SN allows for faster program execution and improved data handling, particularly in applications with high processing demands.

  • Easy Integration: The module is designed to easily integrate with existing SLC 500 controllers, requiring no complex reconfiguration or extensive downtime.

  • Seamless Upgrades: Expand your system’s capabilities without the need for a complete overhaul of your existing setup. The 1746-SN ensures that your control systems can scale with growing operational requirements.

  • Durable & Reliable: Built to withstand the rigors of industrial environments, the 1746-SN offers long-term reliability, reducing the need for frequent replacements or maintenance.

Technical Specifications:

  • Model: Allen-Bradley 1746-SN

  • Type: Expansion Memory Module

  • Compatibility: SLC 500 series controllers

  • Memory Size: 32 KB of additional memory

  • Data Rate: Up to 64 Kbit/sec

  • Mounting: Plugs into the SLC 500 chassis

  • Temperature Range:

    • Operating: 0°C to 60°C (32°F to 140°F)

    • Storage: -40°C to 85°C (-40°F to 185°F)

  • Power Requirements: 5V DC from the SLC 500 controller’s power supply

  • Current Consumption: 0.25 A typical

  • Dimensions:

    • Width: 118 mm (4.65 inches)

    • Height: 118 mm (4.65 inches)

    • Depth: 35 mm (1.38 inches)

  • Weight: 0.15 kg (0.33 lbs)

  • Certifications: UL, CE, CSA

Typical Applications & System Integration:

The 1746-SN Expansion Memory Module is ideal for various industrial applications, particularly where larger programs and increased data storage are required. Some key use cases include:

  • Industrial Automation Systems: Perfect for enhancing the memory capabilities of SLC 500 PLC systems in complex automation projects, including manufacturing, assembly, and packaging.

  • Process Control: Used in process control applications where real-time data storage and fast program execution are necessary for continuous operations.

  • Building Management: Ideal for integrating large-scale building automation systems where data storage and efficient processing are essential.

  • Machine Control: The 1746-SN module can help control large machines and automated systems that require substantial memory to store programs, data, and configuration settings.

  • Data-Intensive Applications: Supports applications that handle large datasets, ensuring the system has enough memory to store historical data, trends, and operational logs.

Integrating the 1746-SN into existing systems is straightforward, providing significant performance improvement without replacing existing hardware. Its easy installation ensures minimal downtime during upgrades.

Support & Maintenance:

The 1746-SN is designed to be robust and requires minimal maintenance. Regular monitoring of the system’s memory usage and ensuring the SLC 500 controller firmware is up to date will ensure continued optimal performance. For troubleshooting, Allen-Bradley provides comprehensive technical support, including detailed manuals, FAQs, and customer service to assist with any installation or operational issues.

To maximize the life of your 1746-SN module, it is recommended to keep the module in a controlled environment with minimal exposure to extreme temperatures or humidity.

FAQ:

Q: How much additional memory does the 1746-SN provide?
A: The 1746-SN module provides 32 KB of additional memory for SLC 500 controllers.

Q: What is the operating temperature range of the 1746-SN module?
A: The module operates within the temperature range of 0°C to 60°C (32°F to 140°F).

Q: Can I upgrade my SLC 500 controller with this module?
A: Yes, the 1746-SN easily integrates with your SLC 500 PLC, providing additional memory without requiring significant changes to your system.

Q: Is the 1746-SN compatible with all SLC 500 models?
A: The 1746-SN is compatible with SLC 500 controllers that support memory expansion.

Q: How do I install the 1746-SN?
A: The 1746-SN plugs directly into the SLC 500 chassis, ensuring an easy and quick installation process.

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

- Michael Anderson