Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC iQ-F Series – Analog I/O Module / FX3U-4AD Mitsubishi MELSEC iQ-F Series Analog input/output module

Available on request

FX3U-4AD Mitsubishi MELSEC iQ-F Series Analog input/output module

MPN: FX3U-4AD · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

Ships via

Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC iQ-F Series – Analog I/O Module
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can FX3U-4AD be shipped?

FX3U-4AD is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up FX3U-4AD in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for FX3U-4AD and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FX3U-4AD, subject to availability and destination.

The Mitsubishi Electric FX3U-4AD is a analog input/output module in the MELSEC iQ-F Series. Analog input: 4ch. Mitsubishi Electric has announced its discontinuation (2028/03 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC iQ-F Series
Category	Analog input/output module
Sales status	2028/03 To be end of order (Mitsubishi Electric)
Outline	Analog input: 4ch

Specifications

Applicable PLC	FX5U, FX5UC, FX3U (Ver.2.20 or later), FX3UC(FX3UC-32MT-LT is Ver.1.30 or later) [Connecting to the FX5U, FX5UC CPU module] FX5-CNV-BUS or FX5-CNV-BUSC is required to connect to the FX5U/FX5UC CPU module. Select one of the modules according to the system configuration. [Connecting to the connector-type PLC] The FX2NC-CNV-IF or FX3UC-1PS-5V is required to connect the FX3UC.
Number of occupied I/O points	8 points (Taken from either the input or output points of the PLC.)
Mass (weight)	0.2 kg
Analog input: Analog input range: Voltage input	-10 V to +10 V DC(Input resistance 200 kΩ)
Analog input: Analog input range: Current input	-20 mA to +20 mA DC, 4 mA to 20 mA DC (Input resistance 250 Ω)
Analog input: Number of input channels	4 channels
Analog input: Absolute maximum input: Voltage input	±15 V
Analog input: Absolute maximum input: Current input	±30 mA
Analog input: Input characteristics	The input mode (voltage/current input) can be set for each channel.
Analog input: Digital output: Voltage input	15 bits binary + sign 1 bit
Analog input: Digital output: Current input	15 bits binary + sign 1 bit
Analog input: Resolution: Voltage input	0.32 mV (20 V × 1/64000) 2.5 mV (20 V × 1/8000)
Analog input: Resolution: Current input	1.25 μA (40 mA × 1/32000) 5.00 μA (40 mA × 1/8000)
Analog input: Total accuracy: Voltage input	Ambient temperature: 25°C±5°C ±0.3% (±60 mV) for 20 V full scale Ambient temperature: 0°C to 55°C ±0.5% (±100 mV) for 20 V full scale
Analog input: Total accuracy: Current input	Ambient temperature: 25°C±5°C ±0.5% (±200 μA) for 40 mA full scale, Same accuracy (±200 μA) for 4 mA to 20 mA input Ambient temperature: 0°C to 55°C ±1% (±400 μA) for 40 mA full scale, Same accuracy for 4 mA to 20 mA input (±400 μA)
Analog input: A/D conversion time	500 μs x number of channels in use (When using a digital filter on one or more channels, 5 ms x number of channels in use)
Analog input: Isolation method	・The photocoupler is used to insulate the analog input area from the PLC. ・The DC/DC converter is used to insulate the analog input area from the power supply unit. ・Channels are not insulated from each other.

Power supply specifications

Power supply

5 V DC 110 mA (internal power supply from PLC main unit) 24 V DC ±10% 90 mA (External power supply)

Specifications

Ambient temperature	0 to 55°C (32 to 131 °F) when operating and -25 to 75°C (-13 to 167 °F) when stored
Ambient humidity	5 to 95%RH (no condensation) when operating
Vibration resistance: Installed on DIN rail: Frequency: 10 to 57 Hz	Half amplitude: 0.035 mm Sweep Count for X, Y, Z: 10 times (80 min in each direction)
Vibration resistance: Installed on DIN rail: Frequency: 57 to 150 Hz	Acceleration: 4.9 m/s 2 Sweep Count for X, Y, Z: 10 times (80 min in each direction)
Vibration resistance: Direct installing: Frequency: 10 to 57 Hz	Half amplitude: 0.075 mm Sweep Count for X, Y, Z: 10 times (80 min in each direction)
Vibration resistance: Direct installing: Frequency: 57 to 150 Hz	Acceleration: 9.8 m/s 2 Sweep Count for X, Y, Z: 10 times (80 min in each direction)
Shock resistance	147 m/s 2 Acceleration, Action time: 11 ms, 3 times by half-sine pulse in each direction X, Y, and Z
Noise resistance	By noise simulator at noise voltage of 1,000 Vp-p, noise width of 1 μs, rise time of 1 ns and period of 30 to 100 Hz
Dielectric withstand voltage	Between batch of all terminals and ground terminal: 500 V AC for 1 min
Insulation resistance	Between batch of all terminals and ground terminal: 5 MΩ or higher by 500 V DC insulation resistance tester
Grounding	Class D grounding (grounding resistance: 100 Ω or less) (Common grounding with a heavy electrical system is not allowed) Ground the PLC independently or jointly.
Working atmosphere	Free from corrosive or flammable gas and excessive conductive dusts
Working altitude	2000 m or less Do not use the PLC under pressure higher than the atmospheric pressure. Doing so may damage the PLC.

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

FX3S/FX3G/FX3GC/FX3U/FX3UC SERIES USER'S MANUAL - Analog Control Edition (JY997D16701-R)	PDF · 7.73MB
FX3U-4AD INSTALLATION MANUAL (JY997D20701)	PDF · 0.41MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

Global shippingFast, tracked delivery worldwide