Mitsubishi FX3S-20MR/DS Programmable Logic Controller FX3S20MRDS

Description:

The Mitsubishi FX3S-20MR/DS programmable logic controller is used in industrial automation systems to provide compact and reliable logic control for small machines and processes. Commonly installed in packaging machines, conveyors, assembly equipment, and basic automation systems across manufacturing environments. Maintenance teams and system integrators use this PLC for machine control upgrades, simple automation builds, and replacement of legacy controllers.

Applications:

The Mitsubishi FX3S-20MR/DS PLC is widely used in entry-level automation systems requiring dependable control in a compact footprint. It is commonly found in small assembly lines, material handling systems, pump control applications, and standalone machinery where cost-effective and space-saving control solutions are required for consistent operation.

Technical Specifications:

• Power supply: 24 VDC
• I/O points: 20 total (12 inputs, 8 outputs)
• Input type: 24 VDC sink/source
• Output type: Relay outputs
• Program memory: 4,000–16,000 steps (EEPROM)
• Communication ports: USB and RS-422 built-in
• Expandability: Non-expandable base unit (up to 30 I/O max)
• Cycle time: ~0.21 µs (LD instruction)
• Power consumption: Approx. 7 W
• Operating temperature: 0°C to 55°C
• Mounting: DIN rail mount
• Dimensions: Approx. 75 × 90 × 49 mm
• Weight: Approx. 0.34 kg

Common Replacements:

• Mitsubishi FX3S-30MR/DS
• Mitsubishi FX3G-24MR/DS
• Mitsubishi FX1S-20MR/DS