| Type | Channel width (bytes) | Value range |
|---|---|---|
| BOOL | 1 | TRUE (1) and FALSE (0) |
| SINT | 1 | -128 ... +127 |
| INT | 2 | -32768 ... +32767 |
| DINT | 4 | -2147483648 ... +2147483647 |
| USINT | 1 | 0 ... 255 |
| UINT | 2 | 0 ... 65535 |
| UDINT | 4 | 0 ... 4294967295 |
| REAL | 4 | -3.4E38 ... +3.4E38 |
| LREAL | 8 | -1.79769313486231E308 ... +1.79769313486231E308 |
| TIME | 4 | T#-24d_20h_31m_23s_648ms ... T#24d_20h_31m_23s_647ms |
| DATE | 4 | D#1970-01-01 ... D#2106-02-07 |
| TIME_OF_DAY or TOD | 4 | TOD#00:00:00.000 ... TOD#23:59:59.999 |
| DATE_AND_TIME or DT | 4 | DT#1970-01-01-00:00:00 ... DT#2106-02-07-06:28:15 |
| STRING | 1 per character | |
| BYTE | 1 | Bit sequence with a length of 8 |
| WORD | 2 | Bit sequence with a length of 16 |
| DWORD | 4 | Bit sequence with a length of 32 |
| WSTRING | 2 per character |
