CASE udtExample.iState OF
	0: (* Init *)
		IF xStart	= TRUE THEN
			(* AsynCom_AXL function block *)
			(* Module number *)
			udtExample.udtAsynCom_PN.dwNodeID	:= DWORD#16#12;
			(* AXL_PDI_R_W function block *)
			(* Reset of function block *)
			udtExample.udtAXL_PDI_R_W.xReset	:= FALSE;
			(* Read out of diagnostic data *)
			udtExample.udtAXL_PDI_R_W.xDiag		:= FALSE;
			(* PDI object *)
			udtExample.udtAXL_PDI_R_W.wIndex	:= WORD#16#0000;
			(* PDI sub object *)
			udtExample.udtAXL_PDI_R_W.wSubIndex	:= WORD#16#0000;
			(* Activation of function block *)
			udtExample.udtAXL_PDI_R_W.xActivate	:= TRUE;

			udtExample.iState		:= 10;
		END_IF;

	10: (* Waiting for xReady *)
		IF udtExample.udtAXL_PDI_R_W.xReady	= TRUE THEN
			(* Start reading out electronic reading plate *)
			udtExample.udtAXL_PDI_R_W.xAddLabel	:= TRUE;
			udtExample.iState	:= 32000;
		ELSIF udtExample.udtAXL_PDI_R_W.xError	= TRUE THEN
			udtExample.iState	:= 9000;
		END_IF;

	9000: (* Error handling *)
		(* Insert your error handling here *)
		(* Diagnostic data is read out (PDI object 0018) *)
		udtExample.udtAXL_PDI_R_W.xDiag	:= TRUE;

		IF xStart	= FALSE THEN
			udtExample.iState	:= 32000;
		END_IF;

	32000: (* Example is finished *)
		(* Deactivation of function blocks *)
		udtExample.udtAsynCom_PN.dwNodeID	:= WORD#16#00;
		udtExample.udtAXL_PDI_R_W.xReset	:= FALSE;
		udtExample.udtAXL_PDI_R_W.xDiag		:= FALSE;
		udtExample.udtAXL_PDI_R_W.wIndex	:= WORD#16#0000;
		udtExample.udtAXL_PDI_R_W.wSubIndex	:= WORD#16#0000;
		udtExample.udtAXL_PDI_R_W.xActivate	:= FALSE;
		udtExample.udtAXL_PDI_R_W.xAddLabel	:= FALSE;

		IF xStart	= FALSE THEN
			udtExample.iState	:= 0;
		END_IF;
END_CASE;

iState	:= udtExample.iState;