FX3S-20MR/DS - Mitsubishi Programmable Controllers Melsec
Mitsubishi FX3S-20MR/DS PLC operates on 24V DC power with 16K steps memory and relay-based digital outputs. This Mitsubishi PLC from the FX Series provides 12 digital inputs, 8 relay outputs, a fixed 30 I/O point configuration, 7 W power consumption, and stable operation up to 55Β°C.

| Brand | Mitsubishi |
| Product Type | PLC(Programmable Logic Controller) |
| Product | FX3S-20MR/DS |
FX3S-20MR/DS Mitsubishi Programmable Controllers Melsec Technical Specifications
| Specification | Value |
|---|---|
| Type | FX3S |
| Power Supply (V) | 24 |
| Current Type | DC |
| Program Memory | 16K STEPS |
| Program Memory Unit | EEPROM |
| Integrated Digital Inputs | 12 |
| Integrated Digital Outputs | 8 |
| Output Type | RELAY |
| Local I/O Points | 30 |
| Local + Remote I/O Points | 30 |
| Expandable | NO |
| Cycle Time LD (ns) | 210 |
| Cycle Time MOV (ns) | 500 |
| Power Consumption (W) | 7 |
| Buffer Battery | NO |
| Protection Class | IP10 |
| Max. Ambient Temperature (Β°C) | 55 |
| Series | MELSEC-F SERIES |
| Depth (mm) | 49 |
| Weight (kg) | 342 |
| Width (mm) | 75 |
| Height (mm) | 90 |
| CE | COMPLIANT |
| Shipping Approvals | ABS,BV,DNV GL,LR,NK |
| EAC | NON-COMPLIANT |
| UL/cUL | COMPLIANT |
| UKCA | COMPLIANT |
The Mitsubishi FX3S-20MR/DS PLC is a programmable logic controller designed for compact industrial automation systems. This Mitsubishi PLC operates on a 24V DC power supply and includes 16K steps EEPROM program memory for stable control execution. It supports 12 digital inputs and 8 relay outputs for dependable signal switching. The FX3S-20MR/DS PLC belongs to the FX Series and is used in structured automation environments.
In industrial applications, the Mitsubishi FX3S-20MR/DS PLC is used in conveyors, small packaging machines, basic assembly stations, and control panels. Relay outputs support reliable switching of control circuits, while fixed I/O architecture ensures predictable system behavior. Defined instruction cycle times help maintain stable operation in continuous and intermittent production processes.
The Mitsubishi FX3S-20MR/DS PLC combines compact size, fixed I/O configuration, and low power consumption in a practical controller design. As part of Mitsubishiβs FX Series PLC portfolio, it aligns with established industrial standards and certifications. This PLC is suitable for long-term industrial use where electrical reliability, consistent logic control, and dependable automation performance are required.




