Mitsubishi FX1S-20MR-ES/UL Programmable Logic Controller FX1S20MRESUL

Description:

The Mitsubishi FX1S-20MR-ES/UL programmable logic controller is a compact PLC used in industrial automation systems to provide discrete I/O control and logic processing for small machines and standalone applications. Part of the Mitsubishi FX1S series, it integrates CPU, power supply, and I/O in a single unit. Maintenance teams and system integrators use this controller for machine repairs, control system retrofits, and replacing legacy PLC hardware in space-constrained environments.

Applications:

The Mitsubishi FX1S-20MR-ES/UL is commonly used in packaging machines, conveyor systems, small assembly equipment, HVAC control panels, and basic process control systems where Mitsubishi PLCs manage discrete inputs and relay outputs. It is ideal for simple automation tasks requiring reliable and cost-effective control.

Technical Specifications:

• Manufacturer Part Number (MPN): FX1S-20MR-ES/UL
• Product Type: Programmable Logic Controller (PLC), compact/base unit
• Series: Mitsubishi FX1S
• Total I/O Points: 20
• Digital Inputs: 12
• Digital Outputs: 8 relay outputs
• Output Type: Relay
• Input Voltage: 24–240 V AC/DC
• Power Supply: 85–264 V AC
• Output Current: Up to 2 A per point
• Program Capacity: ~2,000 steps
• Communication Port: RS-422 (programming/communication)
• Mounting Type: DIN rail or panel mount
• Operating Temperature: 0°C to +55°C
• Application Environment: Industrial control panels and small automation systems

Common Replacements:

• Mitsubishi FX3S-20MR PLC (newer series)
• Mitsubishi FX1N-60MR PLC
• Allen-Bradley MicroLogix 1100 PLC