Delta Electronics AC Motor Drive VFD-E - Manual (Page 170)

Chapter 4 Parameters|
Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 4-117
10H: write multiple registers
The available function codes and examples for VFD-E are described as follows:
(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: Response message:
STX ‘:’ STX ‘:’
‘0’ ‘0’
Address
‘1’
Address
‘1’
‘0’ ‘0’
Function
‘3’
Function
‘3’
‘2’ ‘0’
‘1’
Number of data
(Count by byte)
‘4’
‘0’ ‘1’
Starting data
address
‘2’ ‘7’
‘0’ ‘7’
‘0’
Content of starting
address
2102H
‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’ ‘0’
‘D’ ‘0’
LRC Check
‘7’
Content of address
2103H
‘0’
CR ‘7’
END
LF
LRC Check
‘1’
CR
END
LF
RTU mode:
Command message: Response message:
Address 01H Address 01H
Function 03H Function 03H
21H
Starting data
address
02H
Number of data
(count by byte)
04H