INVT Goodrive18 Series - Page 129

Goodrive18 series two-in-one VFD Communication
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ASCII master command (from the master
to the VFD)
ASCII slave response (from the VFD to the
master)
MSB of data writing
address
‘0’
MSB of data writing
address
‘0’
‘0’
‘0’
LSB of data writing
address
‘0’
LSB of data writing
address
‘0’
‘4’
‘4’
MSB of to-be-written
data
‘1’
MSB of to-be-written
data
‘1’
‘3’
‘3’
LSB of to-be-written
data
‘8’
LSB of to-be-written
data
‘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
Sub-function code description:
Sub-function code
Description
0000
Return data based on query requests
For example, to query about the circuit detection information about the VFD whose address is
01H, the query and return strings are the same, and the format is described as follows.
ASCII master command (from the master
to the VFD)
ASCII slave response (from the VFD to the
master)
START
‘:’
START
‘:’
ADDR
‘0’
ADDR
‘0’
‘1’
‘1’
CMD
‘0’
CMD
‘0’
‘8’
‘8’
MSB of data writing
address
‘0’
MSB of data writing
address
‘0’
‘0’
‘0’
LSB of data writing
address
‘0’
LSB of data writing
address
‘0’
‘0’
‘0’
MSB of to-be-written
data
‘1’
MSB of to-be-written
data
‘1’
‘2’
‘2’
LSB of to-be-written
data
‘A’
LSB of to-be-written
data
‘A’
‘B’
‘B’
LRC CHK Hi
‘3’
LRC CHK Hi
‘3’