The Mitsubishi Electric FX3S-20MR/ES is a compact PLC base unit from the MELSEC-F Series designed for reliable machine and process control. With 12 digital inputs at 24 VDC and 8 relay outputs, it provides versatile I/O for small to medium applications, making it a solid choice for OEMs, system integrators, and panel builders seeking a cost-effective programmable logic controller.

Engineered for dependable performance, the FX3S features 16K steps of EEPROM program memory for battery-free data retention, fast instruction processing times (LD 210 ns, MOV 500 ns), and integrated connectivity via USB and RS-422 for programming and HMI/field device communication. The non-expandable design simplifies specification and wiring, while an operating temperature range of 0–55 °C and IP10 cabinet installation rating align with standard industrial environments.

For global projects, the unit carries CE, UL/cUL, and UKCA conformity alongside marine-class approvals (ABS, BV, DNV GL, LR, NK), helping to streamline compliance across sectors; coupled with Mitsubishi Electric’s recognized quality and service network, it supports fast commissioning and lifecycle reliability, and is backed by a 1-year warranty for added peace of mind.

• Brand: Mitsubishi Electric
• Series: MELSEC-F Series
• Model: FX3S-20MR/ES
• Supply voltage: 100–240 VAC
• Digital inputs: 12 x 24 VDC
• Digital outputs: 8 x Relay
• Communication interfaces: USB, RS-422
• Certifications: CE, UL/cUL, UKCA, ABS, BV, DNV GL, LR, NK