Memory Sizes¶
| PLC type | RAM disk | User RAM disk | SRAM disk | Flash memory | Flash disk | SD memory card *) | |
|---|---|---|---|---|---|---|---|
| User Data | User Application | ||||||
| PM554 | 2048 kB | 256 kB | None | 128 kB | 704 kB | None | up to 2 GB |
| PM564 | 2048 kB | 256 kB | None | 128 kB | 704 kB | None | up to 2 GB |
| PM554-ETH | 4096 kB | 512 kB | None | 128 kB | 1024 kB | None | up to 2 GB |
| PM556-ETH | 4096 kB | 512 kB | None | - | - | None | up to 2 GB |
| PM564-ETH | 4096 kB | 512 kB | None | 128 kB | 1024 kB | None | up to 2 GB |
| PM572 | 4096 kB | 512 kB | 32 kB | 128 kB | 1024 kB | None | up to 2 GB |
| PM573-ETH | 8192 kB | 1024 kB | 32 kB | 128 kB | 3072 kB | None | up to 2 GB |
| PM582 | 8192 kB | 512 kB | 64 kB | 128 kB | 2048 kB | None | up to 2 GB |
| PM583-ETH | 8192 kB | 4096 kB | 64 kB | 128 kB | 4096 kB | None | up to 2 GB |
| PM585-ETH | 8192 kB | 4096 kB | 64 kB | - | - | None | up to 2 GB |
| PM590-ETH | 16384 kB | 8192 kB | 256 kB | 128 kB | 12288 kB | None | up to 2 GB |
| PM590-ARC | 16384 kB | 8192 kB | 256 kB | - | - | None | up to 2 GB |
| PM591-ETH | 16384 kB | 8192 kB | 256 kB | 128 kB | 16384 kB | None | up to 2 GB |
| PM591-2ETH | 16384 kB | 8192 kB | 256 kB | - | - | None | up to 2 GB |
| PM592-ETH | 16384 kB | 8192 kB | 256 kB | 128 kB | 16384 kB | 4 GB | up to 2 GB |
| PM595-4ETH-M | 65535 kB | 65535 kB | 960 kB | - | - | 4 GB | up to 2 GB |
| PM595-4ETH-F | 65535 kB | 65535 kB | 960 kB | - | - | 4 GB | up to 2 GB |
*) Size of the MC502 SD memory card.
Note
It is not possible to use 100 % of a device’s memory space. About 10 % of the total available space must remain unused at any time to maintain normal device operation.