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Can the memory of a M221 logic controller be expanded?

The memory of M221 cannot be expanded. The M221 has the following types of memory:

RAM: 512 Kbyte, of which 256 Kbyte available for the application. It is used to execute the application and contains data

Flash: 1.5 Mbyte, of which 256 Kbyte is used to backup the user application and data in case of power outage. It is used to save the application

The SD card is only used to transfer the application or update the firmware
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