IMO SD1 Series - Page 132

SD1 Series Inverters Communication Protocol
-127-
ASCII master command message (the
command sent from the master to the
inverter
ASCII slave response message (the
message sent from the inverter to the
master)
START
':'
START
':'
ADDR
'0'
ADDR
'0'
'1'
'1'
CMD
'0'
CMD
'0'
'3'
'3'
High bit of starting address
'0'
Byte number
'0'
'0'
'4'
Low bit of starting address
'0'
High bit of data address 0004H
'1'
'4'
'3'
High bit of data number
'0'
Low bit of data address 0004H
'8'
'0'
'8'
Low bit of data number
'0'
High bit of data address 0005H
'0'
'2'
'0'
LRC CHK Hi
'F'
Low bit of data address 0005H
'0'
LRC CHK Lo
'6'
'0'
END Hi
CR
LRC CHK Hi
'5'
END Lo
LF
LRC CHK Lo
'D'
END Hi
CR
END Lo
LF
7.3.2.2 Command code 06H (0000 0110), writing a word
For instance: Write 5000 (1388H) to the 0004H address of the inverter whose slave address is
02H, then the structure of this frame is listed as below:
ASCII master command message (the
command sent by the master to inverter)
ASCII slave response message (the
message sent by the inverter to master)
START
':'
START
':'
ADDR
'0'
ADDR
'0'
'2'
'2'
CMD
'0'
CMD
'0'
'6'
'6'
High bit of write data
'0'
High bit of write data
'0'
'0'
'0'
Low bit of write data
'0'
Low bit of write data
'0'
'4'
'4'
High bit of data
content
'1'
High bit of data
content
'1'
'3'
'3'