Mitsubishi Electric · Q series · PLC CPU · Q06H high-performance CPU 60K steps

Mitsubishi Electric Q06HCPU

Discontinued

Analysis reviewed: September 11, 2026

What should replace this part?

The verified replacement is Q06UDVCPU. This is a migration, not a drop-in swap.

Replace with Q06UDVCPU and budget the compatibility rework

Your options

Q06UDVCPU — manufacturer alternative
The alternative-model table maps the Q06HCPU to the Q06UDVCPU. Programs need modification, some functions are restricted, and GX Developer projects move to GX Works2.
Repair or source used
No third-party repair or used channel is confirmed for this exact model. Check with the nameplate data.

What will need to change?

HardwareThe CPU moves from Q06HCPU (60K steps) to Q06UDVCPU. Check base-unit and rack compatibility.
CommunicationsRS-232 port is lost; use USB or Ethernet, or add a QJ71C24N serial module.
SoftwareGX Developer stops being supported after the swap. Move to supported versions of GX Works2, MX Component, and MX Sheet.
AccessoriesPlan on replacing GOT displays and intelligent function modules with compatible versions.

For anything not listed here, check the replacement manual against your existing configuration.

Need help confirming this replacement?

Send us the part number and current setup for Q06HCPU. We'll help determine whether you need a replacement, repair, original-stock sourcing, or a migration.

Request a replacement review

Can I still buy the original?

RepairNot confirmed for this exact modelUsedNot confirmed for this exact modelRefurbishedNot confirmed for this exact model

We did not verify current new-original stock for this exact part.

Lifecycle

Status: Discontinued

Discontinuation date: unknown (series discontinuation Dec 2016 per FA-A-0223)

Lifecycle source · mitsubishielectric.co.jp

Technical evidence

The recommendation above is based on the sources listed here. OEM source means the manufacturer published it; third-party source means a distributor, repair company or reseller states it. Confidence reflects how directly those sources support the recommendation: High — directly supported by manufacturer documentation. Medium — supported by family-level, secondary, or otherwise less-direct evidence. Low — limited or indirect evidence; verify independently before ordering.

OEM / manufacturer sources

OEM source Confidence: High Mitsubishi Electric (discontinuation bulletin FA-A-0223-B) · 2019-03
The discontinuation bulletin's alternative-model row maps the Q06HCPU to the Q06UDVCPU.
Source excerptModel to be discontinued Q06HCPU / Alternative model Q06UDVCPU
View source · Note: Taken from the bulletin table. The FA-A-0147 precautions apply.
OEM source Confidence: Medium Mitsubishi Electric (tech bulletin FA-A-0147-D) · 2024-01
The UDV migration precautions: RS-232 is lost, GX Developer loses support afterward, and GOT and intelligent modules need upgrades.
Source excerptNo RS-232 port; GX Developer not supported after; GOT/modules must be upgraded; GX Works2/MX floors
View source · Note: Migration precautions for the UDV system, with co-replacement context. Not the mapping source.
OEM source Confidence: Medium Mitsubishi Electric (FA faspec)
The manufacturer specification page shows the Q06HCPU as discontinued, with a replacement-models section.
Source excerptQ06HCPU Discontinued; 60K steps; High-Perf class with Q02/Q12H/Q25H siblings
View source · Note: Confirmed through indexed content. The replacement-model value was rechecked against bulletin FA-A-0223.

Limitation: Programs need modification and some functions are restricted. Work through the FA-A-0147 precautions before ordering.

Related replacement analyses