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Mitsubishi FX3G-40MR/DS Compact PLC module for industrial automation

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Mitsubishi FX3G-40MR/DS

by Mitsubishi Electric

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OverviewUnlock powerful and accurate control in your industrial applications with the Mitsubishi Electric FX3G-40MR/DS Compact PLC. A key component of the MELSEC-F FX3G Series, this 40-point programmable logic controller is meticulously designed for efficiency in medium-scale automation. Its small size conceals impressive capabilities, providing an excellent combination of performance and space-saving design. Featuring 24 digital inputs and 16 dependable relay outputs, the FX3G-40MR/DS delivers the essential control required for a wide array of machinery and systems, ensuring smooth operation and increased productivity.Key Features Input Points: 24 digital inputs (24V DC sink/source) Output Points: 16 relay outputs (2A at 240V AC or 30V DC) for diverse load management. Power Supply: Operates efficiently with a 24V DC power source. Program Capacity: Generous 32,000 steps of EEPROM memory, providing extensive space for complex programs. Execution Speed: Impressively rapid execution with LD: 0.21 µs and MOV: 0.5 µs, enabling highly responsive control. Mounting Options: Flexible installation choices via DIN rail or direct panel attachment. Communication Ports: Integrated 1 USB port and 1 RS-422 port for easy connectivity and programming. I/O Expansion: Expandable up to 256 I/O points using CC-Link or AnyWireASLINK, future-proofing your system. Programming Software: Compatible with industry-standard GX Works2 or GX Developer for intuitive programming. Technical Specifications Model: FX3G-40MR/DS Series: MELSEC-F FX3G Input Voltage Range: 24V DC Power Consumption: 25 W Dimensions (W × H × D): 130 × 90 × 86 mm Weight: Approximately 0.621 kg Operating Temperature: 0°C to 55°C Storage Temperature: -25°C to 75°C Certifications: CE, UL, cUL, UKCA, EAC, ensuring global conformity. Environmental Compliance: Fully RoHS compliant. ApplicationsThe Mitsubishi Electric FX3G-40MR/DS serves as a versatile control solution, perfectly suited for numerous industrial settings: Medium-sized Machinery Control: Optimal for precise regulation in various manufacturing and processing equipment. Building Automation Systems: Enhances efficiency and command within smart building infrastructure. Conveyor Systems: Optimizes material handling and logistics through dependable automation. Packaging Equipment: Ensures rapid and accurate operations in packaging lines. OEM Equipment Integration: A trusted component for original equipment manufacturers seeking robust and compact PLC solutions. Why Choose This Model?The Mitsubishi Electric FX3G-40MR/DS stands out as an excellent choice for your automation requirements due to several compelling advantages: Compact Design: Its remarkably small footprint makes it an invaluable asset for installations where space is limited, without sacrificing functionality. Integrated I/O: Designed with integrated input/output capabilities, it simplifies system architecture, reducing complexity and installation time. Reliable Performance: Benefit from the renowned Mitsubishi Electric quality and engineering, guaranteeing dependable and long-lasting operation in demanding industrial environments. Flexible Mounting: Offering both DIN rail and panel mounting options, it provides unmatched versatility for integration into diverse setups. Expandable Capabilities: With support for additional I/O modules and advanced communication options, this PLC is engineered to evolve with your operational demands, protecting your investment for the future. Global Recognition: Backed by extensive certifications, this PLC is acknowledged worldwide for its quality and safety standards. Order NowElevate your automation infrastructure with the power and precision of the Mitsubishi Electric FX3G-40MR/DS Compact PLC. This high-performance controller is available for global shipping, ready to optimize your industrial processes. Explore the extensive range of Mitsubishi Electric MELSEC Programmable Controllers to discover scalable and innovative automation solutions tailored for modern machinery.FAQWhat are the key features of the Mitsubishi FX3G-40MR/DS?The Mitsubishi FX3G-40MR/DS features 24 digital inputs, 16 relay outputs, a 24V DC power supply, 32,000 steps of EEPROM memory, and high-speed execution. It also includes integrated USB and RS-422 communication ports and is expandable up to 256 I/O points.What programming software is compatible with this PLC?The FX3G-40MR/DS is compatible with industry-standard programming software such as GX Works2 or GX Developer, allowing for intuitive and efficient program development.Can the FX3G-40MR/DS be used in space-constrained applications?Yes, its compact design and flexible mounting options (DIN rail or direct panel mount) make it an ideal solution for installations where space is a critical consideration.What industrial applications is this PLC best suited for?This PLC is well-suited for a variety of industrial applications, including medium-sized machinery control, building automation systems, conveyor systems, packaging equipment, and integration into OEM solutions.Does the Mitsubishi FX3G-40MR/DS comply with global standards?Yes, the FX3G-40MR/DS holds various global certifications such as CE, UL, cUL, UKCA, and EAC, ensuring its compliance with international quality and safety standards. It is also RoHS compliant.

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PRODUCT DETAILS

Mitsubishi FX3G-40MR/DS

Overview

This is a genuine Mitsubishi Electric component from the MELSEC PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Mitsubishi Electric catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Mitsubishi Electric automation ecosystem
  • Engineered to integrate inside MELSEC PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Mitsubishi Electric equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Mitsubishi Electric platform with documented conversion notes for the MELSEC PLCs family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: FX3G-40MR/DS
  • Series: MELSEC-F FX3G
  • Input Voltage Range: 24V DC
  • Power Consumption: 25 W
  • Dimensions (W × H × D): 130 × 90 × 86 mm
  • Weight: Approximately 0.621 kg
  • Operating Temperature: 0°C to 55°C
  • Storage Temperature: -25°C to 75°C
  • Certifications: CE, UL, cUL, UKCA, EAC, ensuring global conformity.
  • Environmental Compliance: Fully RoHS compliant.

Applications

The Mitsubishi Electric FX3G-40MR/DS serves as a versatile control solution, perfectly suited for numerous industrial settings:

  • Medium-sized Machinery Control: Optimal for precise regulation in various manufacturing and processing equipment.
  • Building Automation Systems: Enhances efficiency and command within smart building infrastructure.
  • Conveyor Systems: Optimizes material handling and logistics through dependable automation.
  • Packaging Equipment: Ensures rapid and accurate operations in packaging lines.
  • OEM Equipment Integration: A trusted component for original equipment manufacturers seeking robust and compact PLC solutions.

Why Choose the FX3G-40MR/DS?

The Mitsubishi Electric FX3G-40MR/DS stands out as an excellent choice for your automation requirements due to several compelling advantages:

  • Compact Design: Its remarkably small footprint makes it an invaluable asset for installations where space is limited, without sacrificing functionality.
  • Integrated I/O: Designed with integrated input/output capabilities, it simplifies system architecture, reducing complexity and installation time.
  • Reliable Performance: Benefit from the renowned Mitsubishi Electric quality and engineering, guaranteeing dependable and long-lasting operation in demanding industrial environments.
  • Flexible Mounting: Offering both DIN rail and panel mounting options, it provides unmatched versatility for integration into diverse setups.
  • Expandable Capabilities: With support for additional I/O modules and advanced communication options, this PLC is engineered to evolve with your operational demands, protecting your investment for the future.
  • Global Recognition: Backed by extensive certifications, this PLC is acknowledged worldwide for its quality and safety standards.

Availability & Shipping

  • In stock: FX3G-40MR/DS ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every FX3G-40MR/DS ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

The Mitsubishi FX3G-40MR/DS features 24 digital inputs, 16 relay outputs, a 24V DC power supply, 32,000 steps of EEPROM memory, and high-speed execution. It also includes integrated USB and RS-422 communication ports and is expandable up to 256 I/O points.

Machine down? We ship parts the same day.

New, surplus, and refurbished Mitsubishi Electric inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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