Delta Electronics VFD-EL manual ASCII mode, RTU mode

Chapter 4 Parameters

(1) 03H: multi read, read data from registers.

Example: reading continuous 2 data from register address 2102H, AMD address is 01H.

ASCII mode:

Command message:

	STX	‘:’
	Address	‘0’
		‘1’
	Function	‘0’
		‘3’
		‘2’
	Starting data	‘1’
	address	‘0’
		‘2’
		‘0’
	Number of data	‘0’
	(count by word)	‘0’
		‘2’
	LRC Check	‘D’
		‘7’
	END	CR
		LF
RTU mode:

Response message:

STX	‘:’
Address	‘0’
	‘1’
Function	‘0’
	‘3’
Number of data	‘0’
(Count by byte)	‘4’
	‘1’
Content of starting
	‘7’
address
	‘7’
2102H
	‘0’
	‘0’
Content of address	‘0’
2103H	‘0’
	‘0’
LRC Check	‘7’
	‘1’
END	CR
	LF

Command message:

Address	01H
Function	03H
Starting data	21H
address	02H
Number of data	00H
(count by word)
	02H

Response message:

Address	01H
Function	03H
Number of data	04H
(count by byte)
Content of address	17H
2102H	70H

Revision August 2008, 2ELE, V1.02 4-89