Astraada AS24DRV4075, Руководство по эксплуатации

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Astraada DRV-24 frequency inverters Communication protocol
102
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
For instance: carry out circuit detection on drive address 01H, the content of inquiry message word
string is the same with response message word string, its format 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’
‘1’ ‘1’
CMD
‘0’
CMD
‘0’
‘8’ ‘8’
High bit of write data
address
‘0’ High bit of write data
address
‘0’
‘0’ ‘0’
Low bit of write data
address
‘0’ Low bit of write data
address
‘0’
‘0’ ‘0’
High bit of data
content
‘1’ High bit of data
content
‘1’
‘2’ ‘2’
Low bit of data
content
‘A’ Low bit of data
content
‘A’
‘B’ ‘B’
LRC CHK Hi ‘3’ LRC CHK Hi ‘3’
LRC CHK Lo ‘A’ LRC CHK Lo ‘A’
END Hi CR END Hi CR