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Search references connected to Allen-Bradley. Every public part page routes to a wholesale enquiry; no cart, checkout, or public pricing.
The Allen-Bradley 1747-L531 is an SLC 5/03 processor with 8 KB memory, 4096 discrete I/O, RS-232 and DH-485 ports.
The Allen-Bradley 1747-L532 is an SLC 5/03 processor with 16K user memory, RS-232 and DH-485 communication. IP20 rated.
Allen-Bradley 1747-L533 SLC 5/03 processor module, 32K memory.
The Allen-Bradley 1747-L541 is an SLC 5/04 processor with 16K program memory, built-in DH+ channel, control of up to 4096 I/O points.