Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 405
Function Block
Structured Text
JKFF(JKFF_tag);
Operands
Function Block
Operand Type Format Description
JKFF tag FLIP_FLOP_JK Structure JKFF structure
FLIP_FLOP_JK Structure
Input
Parameter
Data Type Description
EnableIn BOOL Enable input. If cleared, the instruction
does not execute and outputs are not
updated.
Default is set.
Clear BOOL Clear input to the instruction. If set, the
instruction
clears Q and sets QNot.
Clock BOOL Clock input to the instruction.
Default is cleared.
Output
Parameter
Data Type Description
EnableOut BOOL Indicates if instruction is enabled.
Q BOOL The output of the instruction.
QNot BOOL The complement of the Q output.