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Mitsubishi FX3U-FLROM-16 Flash ROM memory cassette for PLC

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Mitsubishi FX3U-FLROM-16

by Mitsubishi Electric

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OverviewThe Mitsubishi FX3U-FLROM-16 is a 16k-step flash ROM memory cassette engineered for integration with Mitsubishi Electric FX3U series PLCs. This memory module offers a solution for storing, backing up, and transferring PLC programs. It is an important tool for tasks such as machine replication, routine maintenance, and any industrial setting where non-volatile memory (EEPROM) is important for maintaining code integrity during power interruptions or system restarts. By enabling program management, the FX3U-FLROM-16 helps improve operational continuity and reduce downtime.Key Features Controller Compatibility: Designed for the Mitsubishi Electric FX3U PLC series. Memory Capacity: Provides 16k steps of flash ROM for comprehensive program logic. Primary Function: Facilitates program backup, secure storage, and efficient transfer between PLCs. Memory Technology: Utilizes non-volatile flash ROM, ensuring data retention without a constant power supply. Installation: Features a direct plug-in design for integration into the PLC. Power Resilience: Guarantees program retention as a non-volatile memory solution. Application Versatility: Suitable for program cloning across multiple machines or for long-term archival storage. Programming Software: Compatible with Mitsubishi Electric programming tools, including GX Developer and GX Works. Configuration Methods: Programs can be written directly via the PLC or through compatible software. Technical SpecificationsCatalog Number: FX3U-FLROM-16Memory Size: 16k stepsCompatible PLCs: Mitsubishi Electric FX3U seriesMemory Type: Flash ROM (non-volatile)Write Method: Via PLC using software commandsRead Method: Automatic on PLC startup (if selected)Mounting Location: Dedicated slot on the FX3U base unitPower Supply: Draws power directly from the host PLCAmbient Temperature: 0°C to 55°CDimensions: Approximately 40 x 30 x 10 mmCertifications: CE, RoHS compliantApplications Program backup during maintenance or unexpected system events. Replication of identical program logic across multiple machines. Secure code storage for Original Equipment Manufacturer (OEM) delivery and intellectual property protection. Essential for industrial environments requiring non-volatile storage to prevent data loss. Streamlined recovery processes and version control for PLC programs. Why Choose This Model?The Mitsubishi Electric FX3U-FLROM-16 is a choice for PLC memory management due to its reliability and efficiency. Dependable Storage: This memory cassette retains program data, removing the need for external power sources for data integrity. Simplified Transfer: Facilitates program transfers and machine cloning tasks, reducing commissioning and maintenance times. Compact Form Factor: Its small size ensures minimal space use within your control panel. Official Mitsubishi Electric Compatibility: Guarantees operation and performance with the FX3U series PLCs. Economical Redundancy: Provides a solution for protecting operational logic against unforeseen data loss. Order NowEnhance your PLC system's reliability and programming flexibility with the Mitsubishi Electric FX3U-FLROM-16 flash ROM memory cassette. This module is available and ships worldwide to improve your operations. Explore the Mitsubishi Electric FX3 Series PLC range for more innovative controllers, including the FX3U, FX3UC, FX3G, and FX3S models.FAQWhat is the primary function of the FX3U-FLROM-16?Its primary function is to provide reliable storage, backup, and efficient transfer of PLC programs for the Mitsubishi Electric FX3U series.Is this memory cassette compatible with all Mitsubishi PLCs?No, it is specifically designed for exclusive compatibility with the Mitsubishi Electric FX3U series PLCs.How much program data can the FX3U-FLROM-16 store?It offers a memory capacity of 16k steps, suitable for complex program logic.Does the FX3U-FLROM-16 require external power to retain data?No, it utilizes non-volatile flash ROM, ensuring data retention even without a constant power supply.Can I use this for cloning programs across multiple machines?Yes, it is ideal for efficient replication of identical program logic across various machines for standardized operations.

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PRODUCT DETAILS

Mitsubishi FX3U-FLROM-16

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

Catalog Number: FX3U-FLROM-16

Memory Size: 16k steps

Compatible PLCs: Mitsubishi Electric FX3U series

Memory Type: Flash ROM (non-volatile)

Write Method: Via PLC using software commands

Read Method: Automatic on PLC startup (if selected)

Mounting Location: Dedicated slot on the FX3U base unit

Power Supply: Draws power directly from the host PLC

Ambient Temperature: 0°C to 55°C

Dimensions: Approximately 40 x 30 x 10 mm

Certifications: CE, RoHS compliant

Applications

  • Program backup during maintenance or unexpected system events.
  • Replication of identical program logic across multiple machines.
  • Secure code storage for Original Equipment Manufacturer (OEM) delivery and intellectual property protection.
  • Essential for industrial environments requiring non-volatile storage to prevent data loss.
  • Streamlined recovery processes and version control for PLC programs.

Why Choose the FX3U-FLROM-16?

The Mitsubishi Electric FX3U-FLROM-16 is a choice for PLC memory management due to its reliability and efficiency.

  • Dependable Storage: This memory cassette retains program data, removing the need for external power sources for data integrity.
  • Simplified Transfer: Facilitates program transfers and machine cloning tasks, reducing commissioning and maintenance times.
  • Compact Form Factor: Its small size ensures minimal space use within your control panel.
  • Official Mitsubishi Electric Compatibility: Guarantees operation and performance with the FX3U series PLCs.
  • Economical Redundancy: Provides a solution for protecting operational logic against unforeseen data loss.

Availability & Shipping

  • In stock: FX3U-FLROM-16 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 FX3U-FLROM-16 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Mitsubishi Electric

Its primary function is to provide reliable storage, backup, and efficient transfer of PLC programs for the Mitsubishi Electric FX3U series.

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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