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(* @NESTEDCOMMENTS := 'Yes' *)
(* @PATH := '\/TEMP' *)
(* @OBJECTFLAGS := '0, 8' *)
(* @SYMFILEFLAGS := '2048' *)
FUNCTION_BLOCK FB_BECKHOFF_EL5101_INC

VAR_INPUT
	E_InfoData_AdsAddr_port		AT%I*	: INT;
	E_InfoData_State			AT%I*	: INT;

	E_CounterValue				AT%I*	: UINT;
	UEboReferenzieren					: BOOL;
	UErSkalierung						: REAL;
	UErRefWertMm						: REAL;
END_VAR

VAR_OUTPUT
	A_SetCounter				AT%Q*	: BOOL;
	A_SetCounterValue			AT%Q*	: UINT;
	UAboReferenziert					: BOOL;
	UArWert: REAL;
END_VAR

VAR
	pfReferenzieren						: R_TRIG;
END_VAR


(* @END_DECLARATION := '0' *)
(***************************************************)
(** Beckhoff EL5101 Incremental Encoder Interface **)
(***************************************************)

a_Referenzieren();

UArWert := E_CounterValue / UErSkalierung;
END_FUNCTION_BLOCK
ACTION	a_Referenzieren:
pfReferenzieren(clk:=
	UEboReferenzieren
	AND E_InfoData_State = 8	(* Op *)
);
UEboReferenzieren := FALSE;


A_SetCounter := 0;
(* z.B.	RefWertMm = 432
		Skalierung = 25
	=> 10800			*)
A_SetCounterValue :=
	REAL_TO_UINT(UErRefWertMm
	* UErSkalierung);
	(* TODO: Andere Typen? *)


IF pfReferenzieren.Q THEN
	A_SetCounter := 1;
	UAboReferenziert := TRUE;
END_IF
END_ACTION
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