Mitsubishi Electric MELSEC-Q · Modular CPU

Mitsubishi Q06UDEHCPU

Order number 215808

The Q06UDEHCPU is no longer supplied by Mitsubishi Electric. If one fails, the program is what gets you running again.

  1. ActiveSold 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: Total Discontinuation. Mitsubishi Electric's published term: End of Life announced.

Is the Mitsubishi Electric Q06UDEHCPU discontinued?

On ECS's lifecycle assessment, the Q06UDEHCPU is discontinued (last-time-buy August 2026, support until October 2033) and no longer supplied by Mitsubishi Electric. Its successor is the R08CPU.

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 Total Discontinuation means for you

The manufacturer has finished with the part. You may still find one through surplus or refurbished sellers, or in another site's stores, but that is not a supply chain. When a unit fails, your options are to find one and restore the program onto it, or to migrate the machine.

Both routes start in the same place: having the program. Without a backup, a found spare is just hardware.

How ECS defines Total Discontinuation · all four lifecycle stages

Before replacing a PLC processor

We would secure a current, tested PLC program backup, record the programming software and version, and map the I/O, networks and intelligent modules connected to the controller.

CPU migrations can alter addressing, communications, memory behaviour or firmware requirements, so a newer processor in the same general family is not automatically a drop-in replacement. Proving that the program can actually be restored while the existing controller still runs is one of the most valuable checks a maintenance team can make.

ECS engineering guidance

Q06UDEHCPU part details

Manufacturer
Mitsubishi Electric
Range
MELSEC-Q
Summary
MELSEC-Q Series universal PLC CPU module with 60k-step program memory, 4,096 local I/O points, up to 8,192 local and remote I/O points, 9.5 ns LD instruction processing, USB and built-in Ethernet ports, and battery-backed memory. End of life announced 12-01-2024; last-time-buy date was 30-08-2026, with end of support scheduled for 31-10-2033.
Successor
R08CPU
Programming software
GX Works 2
Software versions
Held in Command Centre, matched to firmware
Programming cable
Held in Command Centre

Common questions about the Q06UDEHCPU

Is the Mitsubishi Electric Q06UDEHCPU discontinued?

On ECS's lifecycle assessment, the Q06UDEHCPU is discontinued (last-time-buy August 2026, support until October 2033) and no longer supplied by Mitsubishi Electric. Its successor is the R08CPU.

What replaced the Q06UDEHCPU?

Mitsubishi Electric lists the R08CPU as the successor. Check compatibility with your machine before planning the change.

Can I still buy a Q06UDEHCPU?

Not from Mitsubishi Electric. Surplus and refurbished sellers may have stock; check provenance and test before fitting. The R08CPU is the supported route.

How do I back up a Q06UDEHCPU?

It is programmed with GX Works 2. The exact software version and cable depend on the unit's firmware. ECS records both for every unit it captures, alongside a verified backup.

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

With a backup, a failed unit is hours. Without one, it is days.

A Capture audit finds every Q06UDEHCPU on your site, takes a backup of each one it can reach, and records the software version and cable needed to restore it. When a discontinued unit fails and a replacement turns up, the program is ready to load.

  • Every device located, photographed and lifecycle-checked
  • Backups taken on the day, with software version and cable recorded
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

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