Product Introduction
The Allen Bradley 1756-M3 ControlLogix Logix5550 Expansion Memory Module is designed to expand the memory capacity of Logix5550 controllers within the ControlLogix automation platform. With 2 MB of memory, it allows larger programs, more extensive data storage, and more complex control routines without requiring a new processor.
The module integrates directly into a standard 1756 ControlLogix chassis, making it ideal for industrial applications where program size or variable data requirements exceed the onboard memory of the primary Logix5550 controller. Its compact design ensures reliable operation in demanding automation environments.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Logix5550 Expansion Memory Module |
| Model | 1756-M3 |
| Manufacturer | Allen Bradley |
| Series | ControlLogix |
| Memory Size | 2 MB |
| Compatibility | Logix5550 Controllers |
| Mounting | 1756 ControlLogix Chassis |
| Operating Temperature | 0 to 60 deg C |
| Storage Temperature | -40 to 85 deg C |
| Dimensions | 150 x 50 x 100 mm |
| Weight | 0.236 kg |
Applications
• Expands memory for larger automation programs
• Supports complex data logging and control variables
• Ideal for distributed control systems and process automation
• Suitable for machine automation tasks exceeding standard memory limits
• Integrates seamlessly with Logix5550 controllers
• Provides flexibility for industrial systems with growing memory requirements
Advantages
• Provides 2 MB of additional memory for Logix5550 controllers
• Enables larger and more complex programs without upgrading the processor
• Compact design fits standard 1756 ControlLogix chassis
• Reliable performance under industrial operating conditions
• Supports data logging, program expansion, and variable storage
• Reduces the need for upgrading controllers due to memory limitations
Excellent PLC
