Mitsubishi Electric AL-10MR-A Logic Controller

The Mitsubishi Electric AL-10MR-A Logic Controller is a compact Alpha Series PLC designed for small-scale automation and control logic, commonly installed in building automation panels, lighting control systems, pump and tank control setups, HVAC equipment, door control applications, and other equipment requiring compact programmable relay logic. It features 6 digital inputs and 4 relay outputs rated up to 8 A, operates from 100–240 VAC, and uses function block programming complemented by a built-in LCD display that provides local status information and configuration hints, with a compact footprint suitable for panel installations. For installation and integration, the unit is DIN-rail mountable and includes an RS-232 programming interface, with a program capacity of about 5 kB and an operating temperature range of -25°C to 55°C, supporting reliable operation in typical commercial or light industrial environments. Common replacements for retrofit or upgrade projects include Mitsubishi AL2-10MR-A, AL2-14MR-A, and AL2-24MR-A.