SLC 500 PLCs
Allen-Bradley SLC 500 (1747-L series) is a legacy modular PLC platform that remains widely deployed across manufacturing, water/wastewater, and OEM equipment despite reaching end-of-life status. PLC Ready specializes in sourcing refurbished and surplus SLC 500 parts including 1747-L511, 1747-L514, 1747-L524, 1747-L531, 1747-L532, 1747-L541, 1747-L542, 1747-L551, 1747-L552, 1747-L553, and the SLC 5/05 Ethernet processors. We also stock 1746 chassis, 1746 I/O modules, 1747 communication modules, and replacement power supplies. All units are tested with appropriate firmware. If you're planning migration to CompactLogix or ControlLogix, ask about our cross-reference and program conversion partners.