Delta Electronics VFD007S23A manual LRC CHK END1 END0

Chapter 5 ParametersVFD-S Series

ASCII Mode:

Command message:

STX	‘:’
ADR 1	‘0’
ADR 0	‘1’
CMD1	‘1’
CMD0	‘0’
Starting Data address	‘0’
	‘5’
	‘0’
	‘0’
Number of data	‘0’
(count by word)	‘0’
	‘0’
	‘2’
Number of data	‘0’
(count by byte)
	‘4’
Data content of	‘1’
address 0500H
	‘7’
	‘7’
	‘0’
Data content of	‘0’
address 0501H	‘3’
	‘E’
	‘8’
LRC CHK 1	‘7
LRC CHK 0	‘2
END1	CR
END0	LF

Response message:

STX	‘:’
ADR 1	‘0’
ADR 0	‘1’
CMD1	‘1’
CMD0	‘0’
Starting Data	‘0’
address	‘5’
	‘0’
Number of data	‘0’
	‘0’
(count by word)	‘0’
	‘0’
LRC CHK 1	‘2’
	‘E’
LRC CHK 0
	‘8’
END1	CR
END0	LF

RTU mode:
	Command message:		Response message:
	ADR	01H	ADR	01H
	CMD	10H	CMD	10H
	Starting Data address	05H	Starting Data address	05H
		00H		00H
	Number of data	00H	Number of data	00H
	(count by word)	02H	(count by word)	02H
	Number of data	04H	CRC CHK Low	41H
	(count by Byte)
			CRC CHK High	04H
	Data content of address 0500H	17H
		70H
	Data content of address 0501H	03H
		E8H
	CRC CHK Low	C8H
	CRC CHK High	2EH

3.4 Check sum

5-68 Revision August 2006, SE08, SW V2.61