FX3U-80MT/DSS Mitsubishi PLC, Melsec FX Series Programmable Controller, CPU Module

Mitsubishi FX3U-80MT/DSS

FX3U-80MT/DSS PLC

FX3U Transistor Output

FX3U-80MT/DSS

Mitsubishi FX3U-80MT/DSS PLC is a high-performance programmable controller with transistor output, designed for industrial automation. The FX3U-80MT/DSS model delivers fast response, compact design, and reliable FX3U series compatibility, ideal for precision control applications requiring transistor-based signal handling.

Specification

SEODescription

The Mitsubishi FX3U-80MT/DSS PLC is a compact yet powerful controller designed for industrial automation, featuring 40 digital inputs and 40 transistor outputs (FX3U Transistor Output) with high-speed response. It supports direct connection of up to 8 expansion modules, including analog I/O, communication adapters, and special function units, while offering built-in RS-232, RS-485, and USB interfaces for seamless device networking. Operating at 100-240V AC with a temperature range of 0-55°C, this FX3U-80MT/DSS excels in manufacturing, machinery, and process control applications. Key strengths include robust reliability, flexible scalability, and pulse output capabilities for motion control. However, its transistor output limitations in high-current scenarios and programming complexity for advanced functions may require additional expertise.

SEOSpecification

Parameter	Specification
Model	Mitsubishi FX3U-80MT/DSS
PLC Type	FX3U-80MT/DSS PLC (Transistor Output)
I/O Configuration	80 Points (40 Inputs / 40 Outputs)
Output Type	Transistor (Sink/Source, 24V DC)
Power Supply	100-240V AC or 24V DC
Processing Speed	0.065μs per basic instruction
Memory Capacity	64,000 steps (built-in)
Expansion Capability	Supports up to 16 special function modules
Communication Ports	RS-422, USB, optional Ethernet
Operating Temperature	0°C to 55°C
Protection Rating	IP20 (DIN rail mount)

SEOQandA

question:How is after-sales service handled if a refurbished product malfunctions?
answer:We offer replacement or refund, and provide technical support to resolve issues promptly.
question:Why is a service fee charged?
answer:Service fees cover operational costs including payment processing and transaction management.
question:What is the purpose of the handling fee?
answer:Handling fees offset administrative and processing expenses for secure transaction execution.

SEOQandA_Product

question:How to resolve communication failure with FX3U-80MT/DSS?
answer:Check wiring integrity and ensure RS-422/485 settings in GX Works2 match device configurations.
question:Why do input signals not register on FX3U-80MT/DSS?
answer:Verify sensor power supply (24VDC) and input terminal wiring. Confirm COM terminal is properly grounded.
question:How to fix program download errors to FX3U-80MT/DSS?
answer:Use certified USB-SC09 cable, disable firewall/antivirus temporarily, and ensure correct COM port selection in GX Works2.
question:Why does the PLC not recognize expansion modules?
answer:Confirm module compatibility (FX3U series only). Check module mounting alignment and base unit power supply.
question:How to troubleshoot FX3U-80MT/DSS power indicator failure?
answer:Measure input voltage (AC 100-240V). Check terminal screws for tightness and replace fuse if blown (250V 5A).