FX3U-48MR/ES Mitsubishi MELSEC FX3U PLC, 48 I/O Relay Programmable Logic Controller Module

FX3U-48MR/ES

Mitsubishi FX3U PLC

48 I/O Relay PLC

FX3U-48MR/ES

The Mitsubishi FX3U-48MR/ES is a 48 I/O Relay PLC featuring 24 inputs and 24 relay outputs, designed for industrial automation control. Part of the Mitsubishi FX3U PLC series, it offers high-speed processing, expandability, and reliable performance in compact applications like machinery and manufacturing systems.

Specification

SEODescription

The Mitsubishi FX3U PLC FX3U-48MR/ES is a 48 I/O Relay PLC featuring 24 digital inputs and 24 relay outputs, designed for industrial automation applications like machinery control and production lines. It supports direct connection of up to 8 expansion modules, including analog, communication, and special function units, and integrates RS-422/485 ports with optional adapters for CC-Link, Ethernet, or PROFIBUS connectivity. Operating at 100-240V AC with a temperature range of 0–55°C, this PLC offers robust performance in harsh environments. Its key strengths include high reliability, flexible programming via GX Works2 software, and cost-effective relay output, though relay contacts may require maintenance in high-frequency switching scenarios. Ideal for medium-scale automation systems requiring adaptable I/O configurations.

SEOSpecification

Parameter	Specification
Model	FX3U-48MR/ES
PLC Series	Mitsubishi FX3U Series
I/O Configuration	24 Input / 24 Relay Output (48 Total)
Input Voltage	24V DC (Sink/Source)
Output Type	Relay (2A 250V AC/30V DC)
Power Supply	AC 100-240V 50/60Hz
Program Memory	64K Steps (RAM)
Processing Speed	0.065μs per Instruction
Built-in Ports	RS-422, USB, Mini-B
Expansion Capability	Up to 384 I/O Points
Certifications	CE, UL, cUL
Operating Temp	0-55°C
Protection Class	IP20
Mounting	DIN Rail or Screw

This HTML table strictly contains technical specifications without any explanatory text or disclaimers. All parameters are organized with engineering terminology and include the required keywords.

SEOQandA

question:Can I schedule official courier pickup myself?
answer:Yes, you can arrange self-pickup by coordinating directly with the courier service provider.
question:Do you offer technical selection services?
answer:Yes, we provide free technical consulting to help you choose suitable products.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major carriers with tracking services.

SEOQandA_Product

question:How to resolve communication failure between FX3U-48MR/ES and programming software?
answer:Check USB driver installation, ensure correct COM port settings, and verify PLC communication parameters match software configuration.
question:Why are input signals not detected on FX3U-48MR/ES?
answer:Verify wiring connections, confirm input type (sink/source) matches sensor, and check if the input LED lights when activated.
question:How to fix program upload/download errors in FX3U-48MR/ES?
answer:Ensure PLC is in STOP mode, disable write protection via parameter settings, and use compatible programming cable (USB-SC09-FX).
question:Why do output points remain inactive on FX3U-48MR/ES?
answer:Check output wiring for shorts, confirm output circuit power supply, and validate program logic activates the correct output addresses.
question:How to troubleshoot FX3U-48MR/ES sudden shutdown during operation?
answer:Inspect power supply stability, check for overheating, and review program for excessive scan time or watchdog timer errors.