Delta VFD2A8MS21ANSAA User Manual

Appendix A. Modbus ProtocolMS300
786
5. 10H: write multiple registers (can write at most 20 sets of data simultaneously).
Example: Set the multi-step speed of an AC motor drive (address is 01H),
Pr.04-00 = 50.00 (1388H), Pr.04-01 = 40.00 (0FA0H.)
ASCII mode:
Command Message
Response Message
STX
‘:’
STX
‘:’
ADR 1
ADR 0
‘0’
ADR 1
ADR 0
‘0’
‘1’
‘1’
CMD 1
‘1’
CMD 1
‘1’
CMD 0
‘0’
CMD 0
‘0’
Target register
‘0’
Target register
‘0’
‘4’
‘4’
‘0’
‘0’
‘0’
‘0’
Number of register
(count by word)
‘0’
Number of register
(count by word)
‘0’
‘0’
‘0’
‘0’
‘0’
‘2’
‘2’
Number of register
(count by byte)
‘0’
LRC Check
‘E’
‘4’
‘8’
The first data content
‘1’
END
CR
‘3’
LF
‘8’
‘8’
The second data content
‘0’
‘F’
‘A’
‘0’
LRC Check
‘9’
‘A’
END
CR
LF
RTU mode:
Command Message
Response Message
ADR
01H
ADR
01H
CMD
10H
CMD
10H
Target register
04H
Target register
04H
00H
00H
Number of register
(Count by word)
00H
Number of register
(Count by word)
00H
02H
02H
Quantity of data (byte)
04
CRC Check Low
41H
The first data content
13H
CRC Check High
04H
88H
The second data content
0FH
A0H
CRC Check Low
‘9’
CRC Check High
‘A’

Delta VFD2A8MS21ANSAA Specifications

General

Brand	Delta
Model	VFD2A8MS21ANSAA
Category	DC Drives
Language	English