Returns the string converted to uppercase characters.
Informal Syntax:
UPPER( In )
Formal Syntax:
UPPER( In:=expression )
| Parameter | Type | Description |
|---|---|---|
| In | ANY_CHARS | The input string or character. |
The function is overloaded and accepts either CHAR, WCHAR, STRING or WSTRING types for the In parameter.
The function UPPER returns the upper case equivalent on the input parameter In.
The type of the return value is the same as the type of the In parameter.
| Example | Return Value |
|---|---|
| UPPER('') | STRING#'' |
| UPPER('Modbus') | STRING#'MODBUS' |
| UPPER("Modbus") | STRING#"MODBUS" |
The function UPPER is an extension to the IEC 61131-3 standard.
To learn about other String Functions.
To learn about other IEC 61131-3 Common Elements.
For the meaning of terms used in Fernhill SCADA.