Delta Electronics AC Motor Drive VFD-E, User Manual

Page: 173 / 363

Chapter 4 Parameters
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4-120 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11
RTU mode:
Command message: Response message:
Address 01H Address 01H
Function 08H Function 08H
00H 00H
Data address
00H
Data address
00H
17H 17H
Data content
70H
Data content
70H
CRC CHK Low EEH CRC CHK Low EEH
CRC CHK High 1FH CRC CHK High 1FH
(4) 10H: write multiple registers (write multiple data to registers)
Example: Set the multi-step speed,
Pr.05.00=50.00 (1388H), Pr.05.01=40.00 (0FA0H). AC drive address is 01H.
ASCII Mode:
Command message: Response message:
STX ‘:’ STX ‘:’
Address 1 ‘0’ Address 1 ‘0’
Address 0 ‘1’ Address 0 ‘1’
Function 1 ‘1’ Function 1 ‘1’
Function 0 ‘0’ Function 0 ‘0’
‘0’ ‘0’
‘5’ ‘5’
‘0’ ‘0’
Starting data
address
‘0’
Starting data
address
‘0’
‘0’ ‘0’
‘0’ ‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’
Number of data
(count by word)
‘2’
‘0’ ‘E’ Number of data
(count by byte)
‘4’
LRC Check
‘8’
‘1’ CR
‘3’
END
LF
‘8’
The first data
content
‘8’
‘0’
‘F’
‘A’
The second data
content
‘0’
‘9’
LRC Check
‘A’
CR
END
LF