5-46
Command code: 10H, write multiple data to registers
For example, set the multi-step speed,
Pr.17=50.00 (1388H), Pr.18=40.00 (0FA0H). AC drive address is 01H.
ASCII Mode:
Command message: Response message:
STX ‘:’ STX ‘:’
‘0’ ‘0’ ADR 1
ADR 0
‘1’
ADR 1
ADR 0
‘1’
CMD 1 ‘1’ CMD 1 ‘1’
CMD 0 ‘0’ CMD 0 ‘0’
‘0’ ‘0’
‘0’ ‘0’
‘1’ ‘1’
Starting data
address
‘1’
Starting data
address
‘1’
‘0’ ‘0’
‘0’ ‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’
Number of data
(count by word)
‘2’
‘0’ ‘D’ Number of data
（count by byte）
‘4’
LRC Check
‘C’
‘1’ CR
‘3’
END
LF
‘8’
The first data
content
‘8’
‘0’
‘F’
‘A’
The second data
content
‘0’
‘8’
LRC Check
‘E’
CR
END
LF
RTU Mode:
Command message: Response message:
ADR 01H ADR 01H
CMD 10H CMD 10H
Starting data 00H Starting data 00H
address 11H address 11H
Number of data 00H Number of data 00H
(count by word) 02H (count by word) 02H
Number of data
(count by byte)
04H CRC Check Low 11H
The first data 13H CRC Check High CDH
content 88H
The second data 0FH
content A0H
B550 Series sensorless vector frequency drive
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