FX3SA-20MR-CM PLC Mitsubishi | 20 I/O Relay Output | AC Power

Product Overview

FX3SA-20MR-CM by Mitsubishi Electric is a compact and powerful PLC. It delivers basic control with added analog and communication features. This model suits small-scale equipment requiring MODBUS and Ethernet functions.

It is a new application model based on the FX1S series. The FX3SA expands capabilities while keeping a small footprint. It offers a reliable relay output type for versatile load control.

Technical Specifications

• Brand
  • Mitsubishi Electric
• Model
  • FX3SA-20MR-CM
• I/O Configuration
  • Total points: 20
  • Input points: 12 (adjustable filter on X000 to X017)
  • Output points: 8
  • Output form: Relay output
• Power Supply
  • Voltage: AC100-240V
  • Consumption: 20W max
• Physical Characteristics
  • Dimensions (WxHxD): 75 x 90 x 75 mm
  • Weight: 0.4 kg
• Environmental Ratings
  • Operating temperature: 0 to 55°C
  • Humidity: 35-85% RH non-condensing
  • Noise immunity: IEC standard compliant
  • Vibration resistance: Up to 5G
• Built-in Functions
  • Real-time clock and hour meter
  • 8-digit password protection
  • RUN/STOP switch on panel
  • Continuous scan function
  • Remote maintenance via modem
  • Component annotation in program registers

Installation & Wiring

• Mounting Options
  • DIN rail mounting (clips included)
  • Direct screw mounting
• Wiring
  • Removable terminal blocks for easy connection
  • Built-in 24V DC supply for sensors
• Programming & Setup
  • Software: GX Works2 or GX Developer
  • Online editing: Change programs without stopping production
  • Input filter adjustment for signal smoothing

Compatibility & Expansion

• Expansion Modules
  • Analog I/O modules
  • Communication modules (MODBUS, Ethernet)
  • Additional I/O modules
• Network Capabilities
  • CC-Link/LT master station capable
  • Connects up to 64 remote I/O stations
  • Seamless X/Y soft component assignment

Manager’s Insight

The FX3SA-20MR-CM bridges cost-efficiency with flexibility. It fits small automation cells, packaging machines, and standalone equipment. With relay outputs and AC power, it integrates easily into existing lines. The built-in clock and communication options make it a future-proof choice for basic to mid-level control tasks.

Expert Review

This PLC delivers more than its size suggests. The relay outputs handle up to 2A per point, ideal for driving contactors or small motors. Programming is straightforward, and the RUN/STOP switch adds safety during commissioning. For users needing a compact yet expandable controller, the FX3SA series is a top contender.

Applications

• Small conveyor systems
• Packaging machinery
• HVAC control panels
• Automated testing equipment
• Light industrial automation

Frequently Asked Questions

• What is the maximum I/O expansion possible?
  • The FX3SA-20MR-CM can expand up to 128 I/O points using additional modules.
• Can I use this PLC with sensors requiring 24V DC?
  • Yes, the built-in 24V DC power supply can power sensors directly.
• Is programming cable included?
  • No, a separate programming cable (e.g., USB-SC09) is required for PC connection.
• What is the typical lifespan of relay outputs?
  • Mechanical life exceeds 20 million operations. Electrical life is rated for 100,000 cycles at rated current.
• Can I use this in a high-vibration environment?
  • Yes, the unit withstands vibration up to 5G, suitable for most industrial settings.
• Which output type should I choose?
  • Select relay output (MR) for mixed AC/DC loads or frequent switching. Choose transistor output for high-speed applications.

In the Box

• FX3SA-20MR-CM PLC unit
• User manual (digital download available)
• Mounting clips for DIN rail
• Terminal number labels

Certifications

• CE marked for European compliance
• UL certified for North American safety standards
• RoHS compliant

Shipping & Warranty

• Warranty
  • 12 months from date of purchase against manufacturing defects
• Shipping
  • 12-24 hour dispatch from our warehouse
  • Carriers: FedEx, UPS, DHL (tracked and insured)

Contact Information

For inquiries or technical support: sales@powergearx.com | +86 18030005825 (WhatsApp)

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