Allen-Bradley 1756-M3 ControlLogix Expansion Memory Module

Product Overview

The Allen-Bradley 1756-M3 is an expansion memory module designed for ControlLogix systems, enabling seamless memory upgrades and enhanced system performance. It features a 2-megabyte capacity and an open-style enclosure, making it suitable for industrial environments where space and flexibility are essential.

This module supports controllers with memory ranging from 750KB up to 32MB, integrating efficiently into ControlLogix processors, digital and analog I/O modules, amplifiers, and communication modules. Its design ensures reliable operation under demanding conditions, maintaining system stability and performance.

Constructed with robust industrial standards, the 1756-M3 offers excellent vibration and shock resistance, operating reliably within a temperature range of 0–60°C and storage range of -40–85°C. Compliance with multiple certifications such as CE, CSA, FM, and UL guarantees adherence to international safety and quality standards.

Technical Specifications

Key Features

• Compact Memory Expansion: Adds 2MB to compatible ControlLogix controllers.

• Wide Controller Compatibility: Supports controllers with memory from 750KB to 32MB.

• Robust Design: Open-style enclosure with high resistance to vibration and shock.

• Industrial Temperature Range: Operates from 0–60°C, suitable for harsh conditions.

• Certified Safety Compliance: CE, CSA, FM, UL, and other international certifications.

Applications

• Expanding memory for ControlLogix 1756 controllers in industrial automation.

• Integrating with digital and analog I/O modules for process control.

• Supporting real-time communication and control functions in automation networks.

• Ideal for system upgrades without replacing the main controller.

FAQs

Q1: What is the memory capacity of the 1756-M3?
The 1756-M3 module provides 2 megabytes of expansion memory.

Q2: Which controllers are compatible with the 1756-M3?
It supports ControlLogix controllers with memory from 750KB to 32MB.

Q3: What operating temperature range does it support?
It operates reliably between 0–60°C and can be stored at -40–85°C.

Q4: Does it have any certifications?
Yes, the module is certified with CE, CSA, FM, C-tick, UL, and more.

Q5: Is the 1756-M3 a brand-new module?
All 1756-M3 modules are factory-new and original Allen-Bradley products.

Q6: How fast is shipping and which logistics providers are used?
Orders ship within 3 days to 2 weeks, depending on size, typically via DHL or FedEx.

Q7: Can I return the module if there is a quality issue?
Yes, we support a 30-day return policy for defective units.