Mitsubishi FX1N-40MT-DSS Programmable Logic Controller for MELSEC-F FX Series

The Mitsubishi FX1N-40MT-DSS (FX1N-40MT-DSS) is a programmable logic controller base unit designed for the MELSEC-F FX series automation family. Serving as a central control unit in compact industrial systems, this controller manages machine sequences, process control, and discrete automation tasks. It integrates forty total input and output points directly on board to handle field signaling without requiring immediate add-on modules. Specifically, the unit provides twenty-four digital inputs rated for 24 V DC operation alongside sixteen digital outputs utilizing 24 V DC source-type transistor technology. Also designated as FX1N40MTDSS, this MELSEC-F controller coordinates sensors, switches, actuators, and external indicators across factory automation environments. It is deployed in standalone machinery, packaging equipment, assembly stations, and material handling systems that demand high-speed transistor switching and dependable digital logic execution. Designed to operate seamlessly within Mitsubishi FX series architectures, the module delivers direct input acquisition and fast output switching to support modern production automation.