TEC TECDrive20-EU Series - Page 131

TECDrive20-EU Series Inverter Communication protocol
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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'
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), diagnosis
Meaning of sub function code:
Sub function code
Description
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 inverter)
ASCII slave response message (the
message sent by the inverter to 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'