Mitsubishi Electric

Mitsubishi Electric FX5U-32MR/DS MELSEC iQ-F Series CPU Unit

SKU FX5U-32MR/DS

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Mitsubishi Electric

  • Product No.: FX5U-32MR/DS

  • Country of origin:United States

  • Product Type: PLC CPU Modules

  • Payment: T/T, Western Union

  • Weight: 700g

  • Dimensions: 150 mm x 110 mm x 100 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Managing complex logic and high-speed device automation is the core function of the Mitsubishi Electric FX5U-32MR/DS, a high-performance central processing unit belonging to the MELSEC iQ-F family. This compact controller integrates advanced processing capability with built-in analog and serial interfaces, making it an efficient solution for standalone machines and distributed control topologies. With a DC power input and a hybrid arrangement of sink/source inputs and robust relay outputs, this unit provides exceptional operational reliability in harsh industrial environments.

Key Features

  • High-Speed Execution: Built-in program execution speeds down to 34 nanoseconds per basic instruction.
  • Integrated I/O Configuration: Equipped with 16 digital inputs (24 VDC, sink/source) and 16 digital relay outputs.
  • Embedded Analog Channels: Features 2-channel analog inputs (0 to 10 VDC) and 1-channel analog output (0 to 10 VDC) for local sensor and actuator control.
  • Industrial Communications: Built-in Ethernet port for network configuration and an RS-485 port for multi-drop serial configurations.
  • Data Management: Integrated SD memory card slot for seamless data logging, program transfer, and backup routines.

Applications

  • Precision multi-axis packaging and bottling machinery.
  • Water treatment facilities, telemetry, and pumping controls.
  • Automated sorting systems and conveyor line synchronization.
  • Enclosed HVAC system management and cleanroom control units.

Technical Specifications

Manufacturer Mitsubishi Electric
Model Number FX5U-32MR/DS
Product Series MELSEC iQ-F Series
Power Supply Voltage 24 VDC (+20%, -15%)
Power Consumption 30 W
Digital Inputs 16 Points (24 VDC, Sink/Source selectable)
Digital Outputs 16 Points (Relay outputs, 2 A per point)
Built-in Analog Inputs 2 Channels (0 to 10 VDC, 12-bit conversion)
Built-in Analog Output 1 Channel (0 to 10 VDC, 12-bit conversion)
Communication Interfaces 1x Ethernet (100Base-TX/10Base-T), 1x RS-485
Operating Temperature 0 to 55 degC
Programming Software GX Works3
Shipping Weight (Calculated) 0.70 kg (1.54 lbs)
Package Dimensions (Calculated) 150 mm x 110 mm x 100 mm

Connections and Interfaces

Terminal Block Designation Signal / Circuit Assignment
L+ / M 24 VDC Primary Power Input and Common Ground
S/S Sink/Source Selectable Input Common Terminal
X000 to X017 24 VDC Discrete Inputs (16 Points)
COM0 to COM3 Common Terminal Points for Relay Output Groups
Y000 to Y017 Discrete Relay Outputs (16 Points, 2 A/point max)

Alternative Models & Compatibility

The FX5U-32MR/DS utilizes a 24 VDC operational power input, distinguishing it from the standard AC-powered FX5U-32MR/ES model. When upgrading existing legacy FX3U-32MR/DS installations, verify the physical dimensional footprint differences and ensure that the legacy system project is converted within GX Works3 to match the high-speed execution profiles and direct terminal configurations of the iQ-F architecture.

Application Pitfalls & Engineering Notes

The integrated analog input channels (0 to 10 VDC) are highly sensitive to electromagnetic interference. It is critical to route analog signal cables entirely separate from high-current AC motor leads or VFD cables. Always utilize twisted, double-shielded copper wiring for analog runs and ground the shielding foil exclusively at the control cabinet ground star point to prevent low-frequency earth loops from distorting signal conversions.

Commissioning & Wiring Tips

The sinking or sourcing logic of the discrete inputs is determined by terminal S/S. For a standard NPN/sink configuration, wire the S/S terminal directly to the +24V supply. For a PNP/source configuration, wire the S/S terminal to the 0V common. Ensure all screw-type terminal connections are torqued between 0.5 to 0.8 N-m to maintain secure electrical contact without compromising terminal integrity.

Installation Guidelines

CRITICAL WARNING: Complete physical isolation and de-energization of all power circuits are mandatory before mounting, wiring, or executing maintenance tasks on the CPU. Always use a calibrated digital multimeter to confirm the complete absence of voltage at the terminal blocks. Failure to isolate input power may lead to permanent processor destruction, terminal arcing, or catastrophic personal injury.
1

Mount the CPU module securely onto a standard 35mm symmetrical DIN rail inside a protective, IP54-rated metal enclosure to prevent environmental particulate ingress.

2

Establish a low-impedance connection from the SG terminal directly to a dedicated control ground point with a wire cross-section of at least 2.0 mm2.

3

Terminate the field wiring with clean crimp-on insulated bootlace ferrules before clamping the connections to the removable terminal blocks.

FAQ

What is the power supply rating for the FX5U-32MR/DS?

This module operates on a 24 VDC power supply, which distinguishes it from the AC-powered ES variants.

Can the digital inputs be configured for both sink and source logic?

Yes, the integrated 24 VDC inputs support both sink and source configurations, determined by how the S/S terminal is wired.

What software is required to program this CPU unit?

Programming, configuration, and commissioning are executed via Mitsubishi's GX Works3 software platform.

Are the analog inputs and outputs integrated directly on the board?

Yes, this CPU unit includes 2 channels of 0 to 10 VDC analog input and 1 channel of 0 to 10 VDC analog output built-in.

View all FAQs →

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  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
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Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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