Siemens · SIMATIC MP277 · HMI

Siemens 6AV6 643-0CD01-1AX1

DiscontinuedHIGH

What should replace this part?

Your options

Our analysisSource refurbished / repair the original

Verified refurbished stock at $1,470 and new at $2,801 with 2-year repair warranty keep the machine running.

Our analysisTP1200 Comfort 6AV2124-0MC01-0AX0

Explicit OEM predecessor-to-successor table maps MP277 10in Touch to TP1200 Comfort 6AV2124-0MC01-0AX0.

Our analysisUnified Comfort fork (scope separately)

Unified Comfort Panels are the stated upgrade direction beyond Comfort; scope separately.

Replacement analysis

Original: 6AV6 643-0CD01-1AX1 (MP277 10in multi panel touch)

↓

Replacement: 6AV2124-0MC01-0AX0 (TP1200 Comfort)

Relationship: Modern platform migration (not a swap) HIGH

Migration / engineering work required — not a drop-in. This is not presented as a drop-in replacement.

Analyst note: AUDIT-CONFIRMED HIGH. Explicit OEM predecessor->successor table (Comfort Panels Migration Guide A5E03478626-02).

What changes?

Dimensions	4:3 screen converts to widescreen with roughly 50% more area; layouts need rework.
Software	WinCC flexible 2008 SP2 project migrates to WinCC / TIA with post-migration editing.
Mounting	Panel cutout changes; verify bezel and clamping.
Accessories	System memory card 6AV2181-8XP00-0AX0 required.
Communications	PROFINET and Ethernet addressing must be re-done.

Anything not listed here is unknown — the evidence does not establish it.

Can I still buy the original?

Repair: Verified — see evidenceUsed: Verified — see evidenceRefurbished: Verified — see evidence

New-original availability is not claimed unless evidence supports it. Availability is never implied by the existence of a listing alone.

Lifecycle

Status: Discontinued

Discontinuation date: 2019-10-01 (P.M410; P.M400 2011-10-01)

Lifecycle source

Evidence

Every important claim traces to a source below. OEM source means the manufacturer published it; third-party source means a distributor, repair company or reseller states it; our analysis connects them — and is labeled as such.

OEM / manufacturer sources

OEM source HIGH Siemens via Distrelec (Migration Guide A5E03478626-02) · Tier A · 2012-03

MP277 10in Touch 6AV6643-0CD01-1AX1 maps to TP1200 Comfort 6AV2124-0MC01-0AX0

“MP 277 10 Touch 6AV6643-0CD01-1AX1 TP1200 Comfort 6AV2124-0MC01-0AX0”

Establishes: modern_platform_migration · View source · Note: AUDIT-CONFIRMED. Explicit OEM predecessor->successor table

Third-party sources

Third-party source MEDIUM Patti Engineering · Tier B · 2025-10-10

MP277 P.M400 2011-10-01; P.M410 2019-10-01; upgrade Unified Comfort

“HMI MP277 P.M400: Oct 1, 2011 P.M410: Oct 1, 2019 Unified Comfort Panels”

Establishes: modern_platform_migration · View source · Note: Needs SIOS notice for full HIGH on dates

Third-party source MEDIUM MRO Electric · Tier C · 2026-09-10

Refurbished $1470 (6 in stock) + repair/remanufacture 2-yr warranty

“Refurbished $1,470.00 6 in stock... MRO can restore your failed 6AV6643-0CD01-1AX1... 2-year warranty”

Establishes: repair_same_unit · View source · Note: Fetched page; exact MLFB verified

Why you might be searching this

MP277 dead on a machine; Comfort or Unified, and what happens to the project?

Need help deciding between repair, replacement, or migration?

Request a replacement review for 6AV6 643-0CD01-1AX1 — repair assessment, sourced original, replacement quote, or migration scoping.

Request a replacement review

Research status: done. Confidence HIGH reflects the evidence above, not marketing. Commercial paths: Refurbished MP277 ($1,470) · Repair service · TP1200 Comfort quote. No search-volume, pricing or revenue claims are made on this page.