Mitsubishi FX3G-40MR-CM PLC CPU Main Unit for MELSEC-F FX3G Series

The Mitsubishi FX3G-40MR-CM (FX3G-40MR-CM) is a compact programmable logic controller CPU base unit designed for the MELSEC-F FX3G series. Built to deliver reliable automation for machine control and factory installations, this main unit features 40 integrated input and output points. The onboard hardware configuration includes 24 digital inputs operating at 24 V DC with sink or source capability and 16 digital relay outputs featuring normally open contacts rated for 2 A at 240 V AC or 30 V DC with a 10-millisecond response time. The base unit provides an expandable connection capacity supporting up to 128 total I/O points. Equipped with 32,000 steps of internal EEPROM program memory, the unit ensures secure program retention without relying on external memory cassettes. Connectivity includes a built-in USB interface for programming and setup alongside an RS-422 communication port for peripheral integration. Terminal connections utilize standard screw terminal blocks for secure wiring, and the module operates on a 24 V DC power supply. Designed for standard DIN rail installation with an overall width of 130 mm, it is suited for compact control cabinets in diverse processing and manufacturing applications.