The Allen-Bradley 1756-M14 is a specialized internal expansion memory module designed for the ControlLogix automation platform. By utilizing high-speed Dynamic Random Access Memory (DRAM), this module provides the necessary volatile memory extension to support larger control programs, complex instruction sets, and expanded data arrays. It is engineered for seamless integration into standard ControlLogix chassis architectures, allowing for system scalability without the need for a full processor replacement.
This module is ideal for industrial environments requiring increased memory capacity for distributed control networks, high-speed assembly line automation, and complex process loops where standard processor memory limits may be reached.
| Model | 1756-M14 |
| Memory Type | DRAM |
| Backplane Current (5 VDC) | 0.03 A |
| Backplane Current (24 VDC) | 0 A |
| Power Dissipation | 0.15 W |
| Isolation Voltage | 30 V continuous |
| Surge Immunity | 2 kV line-to-line |
| ESD Immunity | 6 kV contact |
| Operating Vibration | 2 g at 10 to 500 Hz |
| Operating Shock | 30 g |
| Non-Operating Shock | 50 g |
| Humidity | 5% to 95% non-condensing |
Does this module require external power? No, the 1756-M14 draws all required power directly from the ControlLogix chassis backplane.
Is this module compatible with all ControlLogix processors? The 1756-M14 is designed for the ControlLogix platform; please verify your specific processor firmware and hardware revision compatibility in the official Allen-Bradley technical documentation.
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