Salicru CV50-008-4F User Manual page 115

Cv50 series
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ASCII master command message (the command
sent by the master to the inverter)
High bit of write data
Low bit of write data
High bit of data content
Low bit of data content
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
9.4.2.3 Command code: 08H (0000 1000), diagnose function
Meaning of sub function code:
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)
START
ADDR
CMD
High bit of write data address
Low bit of write data address
High bit of data content
Low bit of data content
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
9.4.2.4 Command code: 10H, continuous writing function
Command code 10H means the master write data to the inverter, the number of data being written is
determined by the command "data number", the max. number of continuous writing is 16 words.
For instance: Write 5000 (1388H) to 0004H of the inverter whose slave address is 02H, write 50 (0032H) to
0005H of the inverter whose slave address is 02H, then the structure of this frame is listed as below:
Communication Protocol
'0'
'0'
'0'
'4'
'1'
'3'
'8'
'8'
'5'
'9'
CR
LF
Sub function code
0000
':'
'0'
'1'
'0'
'8'
'0'
'0'
'0'
'0'
'1'
'2'
'A'
'B'
'3'
'A'
CR
LF
ASCII slave response message (the message
sent by the inverter to the master)
High bit of write data
Low bit of write data
High bit of data content
Low bit of data content
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
Instruction
Return inquiry message data
ASCII slave response message (the message
sent by the inverter to the master)
START
ADDR
CMD
High bit of write data address
Low bit of write data address
High bit of data content
Low bit of data content
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
'0'
'0'
'0'
'4'
'1'
'3'
'8'
'8'
'5'
'9'
CR
LF
':'
'0'
'1'
'0'
'8'
'0'
'0'
'0'
'0'
'1'
'2'
'A'
'B'
'3'
'A'
CR
LF
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