Get critical consumables for your Allen-Bradley/Rockwell systems. We cover the SLC 500, MicroLogix, and modern ControlLogix. Shop high-demand items like the [SLC 500 Backup Battery](link to PLC Batteries & Power L2 category) and unique parts like [POINT I/O Terminal Bases](link to Distributed I/O L3 category). For upgrades, see our in-stock [ControlLogix Chassis and Memory Cards](link to ControlLogix / CompactLogix L3 category).