MicroLogix programmable controllers (PLCs) are the smallest, lightest, and most economical PLCs in the industry, with rich features to meet a wide range of application requirements. MicroLogix PLCs feature flexible, scalable functionality, including built-in I/O, built-in PID controllers, high-speed counters, pulse-width modulated (PWM) outputs, pulse train outputs, fast input points, analog trim potentiometers, and built-in RS232/RS485 communications.