Description:

The Mitsubishi FX2N-4AD is an analog input module used in MELSEC-FX series PLC systems to convert analog signals into digital data for processing and control. Commonly installed in industrial automation panels and PLC expansion racks, it enables accurate monitoring of analog signals such as voltage and current from field devices. Maintenance teams, system integrators, and OEMs use this module for system expansion, process monitoring, and upgrading control systems requiring precise analog input handling.

Applications:

This Mitsubishi analog input module is used in industrial automation environments requiring accurate signal acquisition from sensors and transducers. Typical applications include temperature monitoring, pressure sensing, flow measurement, level control systems, and process automation loops where analog signals must be converted into digital values for PLC-based control and decision-making.

Technical Specifications:

• Manufacturer Part Number (MPN): FX2N-4AD
• Product Type: PLC Analog Input Module (A/D Converter)
• Series: MELSEC-FX2N
• Number of Input Channels: 4
• Input Signal Types: Voltage and current selectable per channel
• Voltage Input Range: -10 to +10 V DC
• Current Input Range: 4–20 mA, ±20 mA
• Resolution: 12-bit (high-resolution conversion)
• Conversion Method: Analog-to-digital (A/D) conversion
• Conversion Speed: ~15 ms per channel (normal mode)
• Occupied I/O Points: 8 points on expansion bus
• Power Supply: 5 V DC (from PLC) / ~30 mA consumption
• Data Handling: Buffer memory exchange with PLC CPU
• Mounting Type: PLC expansion (DIN rail / base unit connection)
• Weight: Approx. 0.3 kg
• Protection Class: IP20

Common Replacements:

• Mitsubishi FX3U-4AD
• Mitsubishi FX2N-2AD
• Allen-Bradley 1762-IF4