1756-L1M3: ControlLogix 5550 Processor Module 2 MB
The 1756-L1M3 is specified as ControlLogix 5550 Processor Module 2 MB. Where this variant differs from others in its family is the configuration listed below — confirm it against the unit being replaced.
This configuration's controllogix 5550 processor module 2 mb is the attribute that drives the replacement decision. A processor or controller is selected on memory, scan time and platform compatibility before anything else. controllogix 5550 processor module 2 mb sets how much programme fits, how fast the logic executes and which I/O and networks the unit can host — the three things that decide whether an existing application migrates without a rewrite. Confirming the configuration shown in the specification table against the installed controller family is the check that prevents a processor that boots but cannot run the existing project.
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1756-L1M3 |
| Description | Allen-Bradley 1756-L1M3 ControlLogix 5550 processor module with 2 MB memory, 150 KB I/O memory, open enclosure. Reliable for demanding automation applications. |
Related Configurations
Other published configurations in the same family — confirm the distinguishing specification against your installation:
| Related Part Number | Configuration Difference |
|---|---|
| allen-bradley-1756-l1m1-controllogix-5550-processor-module-overview | confirm the configuration against your installation |
| allen-bradley-1756-l1m2-controllogix-5550-processor-module-1-mb | confirm the configuration against your installation |
Availability & Condition at AutoDCSTech
| Part Number | 1756-L1M3 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
