Delta Electronics VFD-VL manual Feh, 5CH

Chapter 4 Parameters			Response message:
	Command message:
		‘0’		Content of address	‘0’
		‘2’			‘0’
	LRC Check	‘D’		2103H	‘0’
		‘7’			‘0’
	END	CR		LRC Check	‘7’
		LF			‘1’
				END	CR
					LF
RTU mode:
	Command message:		Response message:
	Address	01H		Address	01H
	Function	03H		Function	03H
	Starting data	21H		Number of data	04H
	address	02H		(count by byte)
	Number of data	00H		Content of address	17H
	(count by word)	02H		2102H	70H
	CRC CHK Low	6FH		Content of address	00H
	CRC CHK High	F7H		2103H	00H
				CRC CHK Low	FEH
				CRC CHK High	5CH
(2) 06H: single write, write single data to register.
Example: writing data 6000(1770H) to register 0100H. AMD address is 01H.
ASCII mode:
	Command message:			Response message:
	STX	‘:’		STX	‘:’
	Address	‘0’		Address	‘0’
		‘1’			‘1’
	Function	‘0’		Function	‘0’
		‘6’			‘6’
		‘0’			‘0’
	Data address	‘1’		Data address	‘1’
		‘0’			‘0’
		‘0’			‘0’
		‘1’			‘1’
	Data content	‘7’		Data content	‘7’
		‘7’			‘7’
		‘0’			‘0’
	LRC Check	‘7’		LRC Check	‘7’
		‘1’			‘1’
	END	CR		END	CR
		LF			LF
RTU mode:				Response message:
	Command message:
	Address	01H		Address	01H
	Function	06H		Function	06H
	Data address	01H		Data address	01H
		00H			00H
	Data content	17H		Data content	17H
		70H			70H

4-90 Revision Nov. 2008, VLE1, SW V1.03