Allen-Bradley 1756-L1M3 Programmable Automation Controller

The Allen-Bradley 1756-L1M3 is a ControlLogix 5550 series Programmable Automation Controller (PAC) from Rockwell Automation. It was a mid-range controller that was well-suited for a variety of industrial automation applications, but it is now discontinued.

Key features of the Allen-Bradley 1756-L1M3:
2MB User Memory: It had 2 MB of user memory for storing application code and data.
478 KB I/O Memory: It had 478 KB of I/O memory for storing the values of input and output signals.
Communication Ports: It had a variety of communication ports, including Ethernet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, and SynchLink, which allowed it to connect to a wide range of devices.
Supported Programming Languages: It supported multiple programming languages, including Ladder Diagram, Function Block Diagram, and Structured Text.
While the 1756-L1M3 is no longer in production, there are still many of them in use in the field. If you are looking for a replacement for a 1756-L1M3, you may be able to find a used one from a reputable supplier. However, it is important to note that support for this product is no longer available from Rockwell Automation.

Applications that the Allen-Bradley 1756-L1M3 was commonly used for:
Machine control
Process control
Data acquisition
Motion control

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