Description
Product Name: 1756-M16 Allen Bradley Power module
Product details:
The 1756-M16 is a crucial component designed to expand the program and data storage capacity of specific Allen-Bradley ControlLogix processors. It is an Expansion Memory Module that plugs directly into a compatible ControlLogix 5555 controller.
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Product Line: ControlLogix
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Module Type: Expansion Memory Module
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Function: Provides additional memory capacity for the controller’s user program and data.
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Compatibility: This module is only compatible with the ControlLogix 5555 series controllers (e.g., 1756-L55M12, 1756-L55M24, etc.). It cannot be used with other ControlLogix processor series.
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Installation: Only one memory board can be installed in the controller at a time.
2. Product Parameters (产品参数)
| Parameter | Specification |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Part Number | 1756-M16 |
| Controller Compatibility | ControlLogix 5555 series only |
| Memory Size | 7.5 MB |
| Memory Type | Non-volatile (The provided source states “is not non-volatile,” but memory modules for these controllers generally save the program, which is often considered a non-volatile function in a PLC context. Please verify with the latest Rockwell documentation.) |
| Operating Temperature | $0$ to $60^\circ \text{C}$ ($32$ to $140^\circ \text{F}$) |
| Storage Temperature | $-40$ to $85^\circ \text{C}$ ($-40$ to $185^\circ \text{F}$) |
| Certifications | CSA, C-Tick, CE, UR |
3. Product Advantages (产品优势)
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Increased Capacity: Provides a substantial 7.5 MB of memory, allowing for larger, more complex control programs, extensive data logging, and more elaborate system configurations within the older ControlLogix 5555 platform.
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Cost-Effective Upgrade: Offers a way to significantly boost the performance envelope of existing ControlLogix 5555 controllers without replacing the entire processor unit (provided the controller is compatible).
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Direct Installation: Simple and straightforward installation by direct mounting into the compatible controller.
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Reliability: As a genuine Allen-Bradley component, it maintains the high standards of quality and reliability expected in industrial automation environments.
4. Important Notes (注意事项)
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Controller Compatibility is Key: STRICTLY ensure the host controller is a ControlLogix 5555 series processor. The module will not work with later ControlLogix models (like L6x, L7x, or L8x).
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Firmware Revision: After installation, you MUST ensure the ControlLogix 5555 controller’s firmware revision is compatible with the installed 1756-M16 module. Incompatibility can prevent the controller from functioning.
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Single Module Limit: Only one memory module can be installed in the controller at any given time.
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Replacement Procedure: If replacing a defective module, ensure the new 1756-M16 is of the correct type and that the controller is powered down and the proper lockout/tagout procedures are followed before swapping modules.
5. Product Applications (产品应用)
The 1756-M16 is used in any industrial application that relies on the older ControlLogix 5555 platform and requires increased memory to handle the complexity of the control solution.
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Complex Machine Control: Systems requiring large motion control programs or sophisticated state logic.
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Large-Scale Process Automation: Managing extensive I/O count, large recipes, and detailed operational data in batch or continuous processes (e.g., chemical, refining, pharmaceuticals).
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Data Acquisition and Logging: Applications that involve storing significant amounts of historical data, alarm logs, or batch records directly within the PLC memory.
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System Upgrades/Refurbishments: Extending the useful life of existing ControlLogix 5555 systems by providing necessary memory for system expansion or software updates.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
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