1747-M2 1747M2 AB AB SLC 4KB Memory Module

1747-M2 1747M2 AB AB SLC 4KB Memory Module

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Product Details

The 1747-M2 is a memory module compatible for use with AB SLC 500 Fixed style and Modular hardware style Programmable Logic Controller (PLC). This memory module has an integrated 4K of user back-up memory. It is installed to any Fixed style controller such as 1747-L30A, 1747-L30C, 1747-L40A, and 1747-L40C. It is also compatible with modular hardware style controller such as SLC 5/01 with part numbers 1711-L511 and 1747-L514; SLC 5/02 with part numbers 1747-L524.
This module is sensitive to electrostatic discharge. It must be handled only from the edges and the the working area including must be free from oil and dirt. If the product is marked with CE, it depicts that the particular item complies with applicable directives.

This memory module has a specific jumper J1 settings when being mounted to the processor. It must be mounted only when the processor is without power.
Memory modules are added to provide a non-volatile memory type. By adding this type of memory, the processor is protected with unwanted deletion of the program as the integrated memory supplied with each processor is of Random-Access Memory (RAM) type. RAM memory type, similar to other electronic devices, lose the stored data when power is removed. This is also true with the SLC 500 processors however, the RAM memory of the processors is retained by a Lithium battery with lifespan of Two (2) years.

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