Salicru CV30, Руководство пользователя, Страница: 110 / 140

110 - 140 Communication protocol
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)
‘2’ 0005H ‘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), write one word (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 the inverter)
ASCII slave response message (the message sent
by the inverter to the 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’
Low bit of data content
‘8’
Low bit of data content
‘8’
‘8’ ‘8’
LRC CHK Hi ‘5’ LRC CHK Hi ‘5’
LRC CHK Lo ‘9’ LRC CHK Lo ‘9’
END Hi CR END Hi CR
END Lo LF END Lo LF
7.3.2.3 Command code: 08H (0000 1000), diagnose function
Meaning of sub function code:
Sub function code Instruction
0000 Return inquiry message data