Delta DVP-ES2/EX2/SS2/SA2/SX2/SE Conversion between Ladder Diagram and Instruction List Mode

1. PLC Concepts

1.6Conversion between Ladder Diagram and Instruction List Mode

Ladder Diagram
X0	X2	X1	Y0
X1	M0
			C0
	M1		SET	S0
M2	Y0
S0	X10		Y10
S
			SET	S10
S10	X11		Y11
S
			SET	S11
			SET	S12
			SET	S13
S11	X12		Y12
S
			SET	S20
S20	S12	S13	X13
S	S	S	S0
			RET
X0			CNT	C0
C0	X1		M0
	X1
			M1
	M2
			M2
			RST	C0
			END

Instruction

	LD	X0	OR
	OR	X1	block
	LD	X2	OR
	OR	M0
			block
	ORI	M1
	ANB		Block in series
	LD	M2	AND
	AND	Y0	block
	ORB	X1	Block in parallel	The output
	AN I		ANI	continues
	OUT	Y0		based on
	AND	C0	Multiple	status of
	SET	S0	outputs
	STL	S0 Start of step ladder
	LD	X10	S0 status operates with X10
	OUT	Y10	Output Y10 and
	SET	S10	transfer of step point
	STL	S10	Read S10 status
	LD	X11
	OUT	Y11
	SET	S11	Output Y11 and
	SET	S12	transfer of step points
	SET	S13
	STL	S11	Read S11 status
	LD	X12	S11 operates with X12
	OUT	Y12	Output Y12 and
	SET	S20	transfer of step points
	STL	S20	Convergence of
	STL	S12
			multiple status
	STL	S13
				End of step
	LD	X13	Read X13 status and
				ladder
	OUT	S0	transfer of step point
	RET		Return
K10	LD	X0
	CNT	C0 K10
	LD	C0	Read C0
	MPS
	AND	X1
	OUT	M0
	MRD		Multiple
	AN I	X1
			outputs
	OUT	M1
	MPP
	AN I	M2
	OUT	M2
	RST	C0
	END		End of program

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