| Name | Type | Section | Description |
|---|---|---|---|
| value1 | T | Input | The first value to compare. |
| value2 | T | Input | The second value to compare. |
| (value3) | T | Input | The third value to compare. |
| (value4) | T | Input | The fourth value to compare. |
| T | Return value | The largest value. |
The type T may be any of REAL, LREAL, SINT, INT, DINT, LINT, USINT, UINT, UDINT, ULINT, BYTE, WORD, DWORD, LWORD, TIME, LTIME, DATE, LDATE, TIME_OF_DAY, LTIME_OF_DAY, DATE_AND_TIME, LDATE_AND_TIME.