RS (FB)ΒΆ

FUNCTION_BLOCK RS

Realizes a bistable reset-dominat latch

(* Example declaration *)
RSInst : RS ;

(* Example in ST *)
RSInst(SET:= VarBOOL1 , RESET1:=VarBOOL2 );
VarBOOL3 := RSInst.Q1 ;
InOut:

Scope

Name

Type

Comment

Input

SET

BOOL

Rising edge: Set Q1 to TRUE

RESET1

BOOL

Rising edge: Reset Q1 to FALSE (dominant)

Output

Q1

BOOL

Output value