INVT Goodrive18 Series Operation Manual page 129

Goodrive18 series two-in-one VFD
ASCII master command (from the master
to the VFD)
MSB of data writing
address
LSB of data writing
address
MSB of to-be-written
data
LSB of to-be-written
data
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
7.3.2.3 Command code 08H (0000 1000), diagnosis
Sub-function code description:
Sub-function code
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)
START
ADDR
CMD
MSB of data writing
address
LSB of data writing
address
MSB of to-be-written
data
LSB of to-be-written
data
LRC CHK Hi
'0'
'0'
'0'
'4'
'1'
'3'
'8'
'8'
'5'
'9'
CR
LF
0000
':'
'0'
'1'
'0'
'8'
'0'
'0'
'0'
'0'
'1'
'2'
'A'
'B'
'3'
ASCII slave response (from the VFD to the
MSB of data writing
address
LSB of data writing
address
MSB of to-be-written
data
LSB of to-be-written
data
LRC CHK Hi
LRC CHK Lo
END Hi
END Lo
Return data based on query requests
ASCII slave response (from the VFD to the
START
ADDR
CMD
MSB of data writing
address
LSB of data writing
address
MSB of to-be-written
data
LSB of to-be-written
data
LRC CHK Hi
-124-
Communication
master)
'0'
'0'
'0'
'4'
'1'
'3'
'8'
'8'
'5'
'9'
CR
LF
Description
master)
':'
'0'
'1'
'0'
'8'
'0'
'0'
'0'
'0'
'1'
'2'
'A'
'B'
'3'