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CompactLogix Controller 1768-L43 (discontinued)

Rockwell lifecycle statusDiscontinued 30/06/2020 (read on 25 September 2026)
Replacement1769-L33ER — named by Rockwell Automation

Per the equivalence table in 1769-SG003A (p.14), the replacement is 1769-L33ER or 1769-L33ERM; alternatively move to CompactLogix 5380 (MIGRAT-PP037A p.3).

Key data

Memory2 MB
Memory card1784-CF128
Ports1 × RS-232; network via 1768-ENBT/1768-CNB module
Max 1768 modules2
Max 1769 I/O modules16 (2 banks)
Max connections250
Replacement categoryEngineering Replacement
Migration path1769-L33ER or 1769-L33ERM (1769-SG003A p.14); CompactLogix 5380 (MIGRAT-PP037A p.3)

Lifecycle status changes over time: confirm the current status on the Rockwell product page or in the Product Compatibility and Download Center before ordering.

Related services: Lifecycle review and spare parts Rockwell Automation upgrades CompactLogix in TDL Projects

Other catalog numbers in this family: Legacy CompactLogix 1768 and 1769

1769-L32E 1769-L35E 1769-L31 1769-L23E-QB1B 1768-L45 1768-ENBT 1768-CNB 1768-CNBR

Sources