FX3U-4AD-ADP MITSUBISHI MELSEC FX3U 4-Channel Analog Input Adapter

The FX3U-4AD-ADP MITSUBISHI (Model: FX3U-4AD-ADP) is a compact 4-channel analog input expansion adapter designed specifically for Mitsubishi Electric MELSEC FX3U and FX3UC Series PLCs. Engineered for cost-effective analog data acquisition, the FX3U-4AD-ADP MITSUBISHI converts field analog voltage (0V to 10V DC, -10V to +10V DC) and current (0 to 20mA DC, 4 to 20mA DC) signals into high-resolution digital data for PLC processing.

Mounting directly to the left-side expansion bus of FX3U controllers (requiring an FX3U-CNV-BD conversion board), the FX3U-4AD-ADP MITSUBISHI preserves right-side extension bus space for high-density digital I/O and special function blocks. With 12-bit digital resolution, selectable input ranges, and built-in noise filtering, it provides high signal fidelity for monitoring flow meters, level sensors, and pressure transmitters.

Key Features of the FX3U-4AD-ADP MITSUBISHI

• 4 Configurable Analog Channels: Accepts analog voltage (-10V to +10V, 0V to 10V) and current (0 to 20mA, 4 to 20mA) inputs configured per channel.

• 12-Bit Resolution: Converts analog signals into digital values up to 0 to 4000 (-4000 to +4000 for -10V to +10V range).

• Left-Side Bus Installation: Connects to the left-side adapter interface, maintaining right-side bus availability for high-current output and positioning units.

• Integrated Signal Averaging: Onboard digital filtering smooths noisy field measurements and fluctuating sensor readings.

• Disconnection Detection: Automatically signals open loops or wire breaks when operating on 4-20mA current loops.

• Removable Screw Terminal Block: Simplifies wiring connections and field serviceability without disturbing fixed sensor cabling.

Primary Applications

• Process Control & Automation: Processing feedback from level sensors, flow meters, differential pressure transmitters, and linear transducers

• Marine Telemetry Systems: Capturing vessel fuel consumption, engine oil pressure, and ballast tank levels

• OEM Machinery & Skid Controls: Integrating multi-channel sensor feedback on packaging, bottling, and HVAC equipment

Technical Specifications

Package Contents

• 1 × FX3U-4AD-ADP MITSUBISHI 4-Channel Analog Input Adapter Module

• Terminal Designation Label & Installation Manual