EquipVector
Evidence-backed decisions for obsolete industrial parts — prototype experiment

Allen-Bradley / Rockwell · CompactLogix · PLC CPU

Allen-Bradley / Rockwell 1769-L35E

DiscontinuedMEDIUM

What should replace this part?

Our analysisRecommended path: Scope the CompactLogix 5380 migration with 5069 I/O conversion

Your options

Our analysisMigrate to CompactLogix 5380
1769 chassis and Compact I/O convert to 5069 Compact5000 I/O with Studio 5000 v28 or later; panel and rewiring required.
Our analysisRepair probe
Exact-model Tier C repair unverified this pass; request assessment with the failure symptoms.

Replacement analysis

Original: 1769-L35E (1769-L35E CompactLogix Ethernet CPU)
↓
Replacement: CompactLogix 5380 platform (5069)

Relationship: Modern platform migration (not a swap) MEDIUM

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

Analyst note: OEM page lists L35E discontinued + 5380 direction explicitly. No date or 1:1 catalog.

What changes?

Hardware1769 chassis and Compact I/O convert to 5069 Compact5000 I/O.
SoftwareRSLogix 5000 converts to Studio 5000 version 28 or later.
CommunicationsSerial and Ethernet topology changes with the platform move.
WiringPanel layout and field rewiring required for the new I/O.

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

Can I still buy the original?

Repair: Unknown — not verifiedUsed: Unknown — not verifiedRefurbished: Unknown — not verified

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: unknown

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 Rockwell Automation · Tier A · 2026-09-10
L3x controllers discontinued incl 1769-L35E; migrate to CompactLogix 5380
“The following L3x controllers are discontinued; ... 1769-L35E ... migrate to our CompactLogix 5380 control platform.”
Establishes: modern_platform_migration · View source · Note: Explicit exact-model list + direction; no date or 1:1 catalog

Why you might be searching this

L35E obsolete flag in RSLogix; which 5380 catalog fits and is I/O reusable?

Related replacement analyses

Need help deciding between repair, replacement, or migration?

Request a replacement review for 1769-L35E — repair assessment, sourced original, replacement quote, or migration scoping.

Request a replacement review

Research status: done. Confidence MEDIUM reflects the evidence above, not marketing. Commercial paths: CompactLogix 5380 quote · Conversion scoping. No search-volume, pricing or revenue claims are made on this page.