FX1N-40MR-D is a compact programmable logic controller (PLC) from Mitsubishi Electric FX series, designed for reliable discrete control in small to medium automation systems.
With 40 integrated I/O points, relay outputs, and 24V DC power supply, it provides stable signal control, flexible expansion capability, and long-term industrial reliability for OEM equipment and control panels.

Key Technical Specifications

Model: FX1N-40MR-D
Manufacturer: Mitsubishi Electric
Product Type: Programmable Logic Controller (PLC)
I/O Configuration:
- Total I/O Points: 40
- Digital Inputs: 24
- Digital Outputs: 16 (Relay Output)
Power Supply: 24V DC
Output Type: Relay (MR)
Programming Language: Ladder Logic
Program Capacity: 8,000 Steps
Expansion Capability: Supports FX series expansion modules
Mounting Type: DIN Rail / Panel Mount
Operating Environment: Industrial-grade, high noise immunity

Core Features & Advantages

✔ Reliable Relay Output Design

Relay outputs provide strong compatibility with a wide range of loads, making the FX1N-40MR-D ideal for applications requiring robust switching and electrical isolation.

✔ Compact & Space-Saving Structure

The integrated 40-point I/O design minimizes panel space usage while maintaining high control performance.

✔ Flexible Expansion Support

Compatible with Mitsubishi FX series expansion modules for I/O, communication, and special function upgrades.

✔ Stable Industrial Performance

Designed for continuous operation in demanding industrial environments with high resistance to electrical noise and vibration.

✔ Easy Programming & Maintenance

Supports standard Mitsubishi programming software, reducing setup time and simplifying troubleshooting.

Typical Applications

Automated production lines
Conveyor and material handling systems
Packaging and labeling machines
Industrial control panels
OEM machinery automation
Process control and sequencing systems

📊 Mitsubishi PLC Model Comparison | FX1N-40MR-D vs FX1N-24MR vs FX2N

Specification	FX1N-40MR-D	FX1N-24MR	FX2N Series
Series	FX1N (Micro PLC)	FX1N (Micro PLC)	FX2N (Advanced FX series)
I/O Points (Total)	40	24	16–256 (varies by model)
Digital Inputs	24	14	up to 128+
Digital Outputs	16	10	up to 128+
Output Type	Relay	Relay	Transistor/Relay depending model
Power Supply	24V DC	24V DC / AC variant	AC 100–240V (typical FX2N)
Program Memory	8000 steps	8000 steps (typical FX1N)	Expandable, larger capacity (RAM/EEPROM)
Expandability	Supports expansion I/O & function modules	Supports expansion I/O & function modules	High expandability for I/O and special modules
High-Speed Counters / Pulse Outputs	Yes, up to 100kHz support	Yes, typical FX1N series supports up to two high-speed pulse outputs	FX2N may support advanced special pulse modules
Mounting	DIN Rail	DIN Rail	DIN Rail
Typical Applications	Small/medium automation, OEM machines	Small scale automation	Wider automation range with advanced functions
Programming Software	GX Developer / GX Works	GX Developer / GX Works	GX Developer / GX Works / advanced linkage
Target Control Size	Up to ~128 I/O (extended)	Up to ~128 I/O (extended)	Up to ~256 I/O with modules
Typical Use Case	General sequence control	General sequence control	Larger control tasks with higher I/O and expansion
End of Life Status	Discontinued (replacement by FX3G suggested)	Discontinued (replacement by FX3G suggested)	Discontinued; FX3U / FX3G recommended

🧠 Key Notes for Product Page Use

✅ FX1N-40MR-D

40-point PLC with 24 DI + 16 Relay Outputs — ideal for compact automation panels.
DC24V powered with expandable I/O and optional communication modules.

✅ FX1N-24MR

Smaller 24-point version — suitable for simpler control systems.
Can expand I/O and connect analog or communication modules.

✅ FX2N Series

Larger family with a broader range (up to 256 I/O points).
Supports more advanced functions and modules for complex applications

Why Choose FX1N-40MR-D?
- Genuine Mitsubishi Electric product
- Proven FX1N series reliability
- Strong compatibility with legacy systems
- Ideal balance of performance, cost, and expandability
- Widely supported in industrial automation worldwide
Condition & Delivery
- Condition: 100% Brand New, Original
- Stock Status: In Stock
- Packaging: Factory-sealed
- Shipping: Fast global delivery available

FX1N-40MR-D Mitsubishi Programmable Controller One New FX1N40MR