Mitsubishi FX1S-20MR-ES-UL Programmable Logic Controller for MELSEC-F FX Series

The Mitsubishi FX1S-20MR-ES-UL (FX1S-20MR-ES-UL) is a compact programmable logic controller unit engineered for machine control applications within the MELSEC-F FX series. Designed to serve as an all-in-one control unit, this compact PLC integrates 20 combined digital inputs and outputs on a single chassis. The device features 12 digital inputs rated for 24 V DC operation alongside 8 digital outputs utilizing normally open relay contacts. These relay contact outputs allow direct switching and interfacing with external field devices, actuators, and indicators. Also recognized under the designation FX1S20MRESUL, this controller provides sequential logic processing and dependable execution for small-scale machinery and dedicated processing equipment. The integrated layout of 12 DI and 8 DO establishes an efficient control platform that reduces wiring complexity and external component requirements. As a standard member of the Mitsubishi MELSEC-F family, the FX1S-20MR-ES-UL enables straightforward integration into control panels and automated manufacturing stations.