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Programmable Controllers > DirectLogic Series P... > DirectLogic 405 (Sma... > Memory Cartridges

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Memory Cartridges

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Additional program memory can be added to the DirectLOGIC 405 CPUs, available in easily-installable EEPROM and UVPROM memory chips.

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DL405 Memory Cartridges

The D4-440 CPU requires the use of a memory cartridge and the D4-450 CPU can use a memory cartridge instead of its built-in memory if additional program space is needed. The following memory cartridge is available for the D4-440 and D4-450 CPUs: