Allen-Bradley 1747-M13 SLC 500 Memory Module 64K Flash By wayne No Comments on Allen-Bradley 1747-M13 SLC 500 Memory Module 64K Flash 3 Min Read Get the Allen-Bradley 1747-M13 SLC 500 memory module with 64K Flash for program storage. It provides non-volatile backup for SLC 5/03, 5/04, and 5/05 processors.