Data Types
We use the following notation for the transmitted data, based on modern data types of current Siemens and Codesys controllers.
| Type | Bit | Minimum | Maximum |
|---|---|---|---|
BOOL/BIT | 1 | 0 | 1 |
SINT | 8 | -128 | 127 |
INT | 16 | -32,768 | 32,767 |
DINT | 32 | -2,147,483,648 | 2,147,483,647 |
USINT | 8 | 0 | 255 |
UINT | 16 | 0 | 65,535 |
UDINT | 32 | 0 | 4,294,967,295 |