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Mitsubishi Electric MELSEC-F FX3 · Analogue Input Module

Mitsubishi FX3U-4AD-PT-ADP

Order number 165272

ECS rates the FX3U-4AD-PT-ADP as phase-out: still orderable, but on its way out. This is the time to plan, not panic.

  1. Active RolloutSold and supported normally
  2. Phase OutRetirement announced, still orderable
  3. CancellationNormal sale ended, spares may remain
  4. Total DiscontinuationNo manufacturer supply or repair

ECS stage: Phase Out.

Is the Mitsubishi Electric FX3U-4AD-PT-ADP being discontinued?

On ECS's lifecycle assessment, the FX3U-4AD-PT-ADP is in phase-out: still orderable for now, but on its way out.

Source: ECS lifecycle assessment, based on ECS's internal lifecycle data in Command Centre. Last checked . Always confirm a specific part's status with the manufacturer before buying or planning a migration.

What Phase Out means for you

The manufacturer is retiring the part, but you can still buy it. Nothing needs ripping out. Four things are worth doing while it is still easy: find every unit you run, make sure you know where each one is, decide whether to hold spares, and price the move.

How ECS defines Phase Out · all four lifecycle stages

Before replacing an analogue module

With analogue I/O, the difficult part of a migration is often hidden in the configuration: signal type, range, scaling, resolution, isolation and any filtering used by the application.

We would capture both the hardware settings and the PLC scaling logic before choosing a replacement. That gives the commissioning engineer known reference values and avoids trying to recreate process calibration from a failed module.

ECS engineering guidance

FX3U-4AD-PT-ADP part details

Manufacturer
Mitsubishi Electric
Range
MELSEC-F FX3
Summary
Analogue input module for Pt100 elements; 4 Pt100 inputs Order acceptance to 31 March 2028 - Discontinuation 30 September 2028 - Repair support until 30 September 2035

Common questions about the FX3U-4AD-PT-ADP

Is the Mitsubishi Electric FX3U-4AD-PT-ADP being discontinued?

On ECS's lifecycle assessment, the FX3U-4AD-PT-ADP is in phase-out: still orderable for now, but on its way out.

Can I still buy a FX3U-4AD-PT-ADP?

Yes, through normal channels during the phase-out period. It is the cheapest point to buy any spares you want to hold.

An ECS engineer capturing a control panel on a tablet: PLC, drive and power supply identified and synced to Command Centre

Know where every unit is before one fails.

A Capture audit finds every FX3U-4AD-PT-ADP on your site, photographs it where it sits and checks it against manufacturer lifecycle status, so you know your exposure and where your spares are before a failure stops a line.

  • Every device located, photographed and lifecycle-checked
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

Other MELSEC-F FX3 parts

All Mitsubishi Electric parts · All manufacturers