myDESIGNER › myDESIGNER › Miscellaneous
S7 memory types
| Memory type | Description | Address Range | Data Type | Access |
| I E | Inputs | Dependent on S7 Data Type (see table below) | Read/Write | |
| Q A | Outputs | Read/Write | ||
| M F | Flag Memory | Read/Write | ||
| V | Variable Memory | Read/Write | ||
| DB | Data Blocks | Read/Write | ||
- Note: The Variable Memory is available only for S7-200 and LOGO!.