The Allen-Bradley 1756-L1M3 is a legacy ControlLogix 5550 controller processor designed for demanding industrial automation and control applications. Built on the scalable ControlLogix platform, this module provides reliable execution of user control programs, handling discrete, analog, motion, and drive control tasks across a unified backplane. It features an open enclosure design and includes 2 MB of onboard expansion memory to accommodate moderate control applications.
As part of the established ControlLogix architecture, the 1756-L1M3 integrates seamlessly into standard 1756 chassis slots, drawing power directly from the backplane. It relies on standard serial communication cabling options, such as the 1756-CP3 or 1747-CP3 cables, for initial configuration and programming access. The controller requires the 1756-BA1 lithium battery for maintaining volatile memory during power loss conditions.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | ControlLogix Controller Processor |
| Exact Model | 1756-L1M3 |
| Product Family | ControlLogix 5550 |
| Memory Capacity | 2 MB |
| Backplane Current Draw | 120 mA @ 5V DC, 2 mA @ 24V DC |
| Power Dissipation | 4.1 W max. @ 60 degC (140 degF) |
| Operating Temperature | 0 to 60 degC (32 to 140 degF) |
| Compatible Battery | 1756-BA1 lithium battery |
| Programming Cables | 1756-CP3, 1747-CP3 |
| Enclosure Type | Open |
| Country of Origin | United States |
The 1756-L1M3 features a front-accessible serial communication port used for connection to programming terminals or configuration devices. It installs directly into any available slot in a 1756 ControlLogix chassis, where it interfaces with the system backplane for power and communication with other I/O and specialty modules.
Ensure power to the 1756 ControlLogix chassis is turned off before inserting or removing the 1756-L1M3 processor module. Slide the module smoothly into the designated chassis slot, making sure the backplane connectors align properly, and secure it using the top and bottom retaining screws. Connect the appropriate programming cable to the front port for configuration, and ensure the 1756-BA1 backup battery is securely installed if memory retention during power cycles is required.
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Returns & Warranty
Manufacturer: Allen-Bradley
Product No.: 1756-L1M3
Country of origin:United States
Product Type: Controller Processor
Payment: T/T, Western Union
Weight: 380g
Dimensions: 14.5 x 11.2 x 3.5 cm
Shipping port: Xiamen
Warranty: 12 months
The Allen-Bradley 1756-L1M3 is a legacy ControlLogix 5550 controller processor designed for demanding industrial automation and control applications. Built on the scalable ControlLogix platform, this module provides reliable execution of user control programs, handling discrete, analog, motion, and drive control tasks across a unified backplane. It features an open enclosure design and includes 2 MB of onboard expansion memory to accommodate moderate control applications.
As part of the established ControlLogix architecture, the 1756-L1M3 integrates seamlessly into standard 1756 chassis slots, drawing power directly from the backplane. It relies on standard serial communication cabling options, such as the 1756-CP3 or 1747-CP3 cables, for initial configuration and programming access. The controller requires the 1756-BA1 lithium battery for maintaining volatile memory during power loss conditions.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | ControlLogix Controller Processor |
| Exact Model | 1756-L1M3 |
| Product Family | ControlLogix 5550 |
| Memory Capacity | 2 MB |
| Backplane Current Draw | 120 mA @ 5V DC, 2 mA @ 24V DC |
| Power Dissipation | 4.1 W max. @ 60 degC (140 degF) |
| Operating Temperature | 0 to 60 degC (32 to 140 degF) |
| Compatible Battery | 1756-BA1 lithium battery |
| Programming Cables | 1756-CP3, 1747-CP3 |
| Enclosure Type | Open |
| Country of Origin | United States |
The 1756-L1M3 features a front-accessible serial communication port used for connection to programming terminals or configuration devices. It installs directly into any available slot in a 1756 ControlLogix chassis, where it interfaces with the system backplane for power and communication with other I/O and specialty modules.
Ensure power to the 1756 ControlLogix chassis is turned off before inserting or removing the 1756-L1M3 processor module. Slide the module smoothly into the designated chassis slot, making sure the backplane connectors align properly, and secure it using the top and bottom retaining screws. Connect the appropriate programming cable to the front port for configuration, and ensure the 1756-BA1 backup battery is securely installed if memory retention during power cycles is required.
| Product Image | Model Number / Title | Condition | Availability | Action |
|---|---|---|---|---|
|
Allen-Bradley 1747-L511 SLC 500 Controller Processor | Original New | In Stock | View Details |
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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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