Process Control Instructions
126 Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
Function Block
Structured Text
SCL(SCL_tag)
Operands
Function Block
Operand Type Format Description
SCL tag SCALE Structure SCL structure
Structured Text
Operand Type Format Description
SCL tag SCALE Structure SCL structure
See Structured Text Syntax for more information on the syntax of expressions
within structured text.
SCALE Structure
Input Parameter Data Type Description
EnableIn BOOL Enable input. If false, the instruction does not
execute and outputs are not updated.
Default is true.
In REAL The analog signal input.
Valid = any float
Default = 0.0
InRawMax REAL The maximum value attainable by the input to
the instruction. If InRawMax InRawMin, the
instruction sets the appropriate bit in Status and
stops updating the output.
Valid = InRawMax > InRawMin
Default = 0.0
InRawMin REAL The minimum value attainable by the input to the
instruction. If InRawMin InRawMax, the
instruction sets the appropriate bit in Status and
stops updating the output.
Valid = InRawMin < InRawMax
Default = 0.0