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1756-L1M3 Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1756-L1M3 is a ControlLogix® 5550 series programmable automation controller (PAC) processor module with factory-installed 2 Mbyte user memory. It serves as the central logic engine in a chassis-based ControlLogix system, executing user programs, managing I/O connections (local and networked), and coordinating communications across networks such as ControlNet, DeviceNet, Universal Remote I/O, EtherNet/IP, and Data Highway Plus. Typical applications include mid-to-large-scale discrete and process control, machine automation, and distributed control systems where modular expansion and high I/O capacity are required.
Best Suited For
- Mid-scale ControlLogix PAC applications
- Systems requiring 2 MB user memory without external memory expansion
- Distributed I/O via ControlNet, DeviceNet or Universal Remote I/O
- Replace or upgrade in existing ControlLogix 5550 installations