INVT Goodrive200A Series Operation Manual page 144

GD200A series VFD
ASCII master command message (the
command sent by the master to the VFD)
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 VFD, 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 VFD whose slave address is 02H, write 50 (0032H)
to 0005H of the VFD 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 the VFD)
START
ADDR
CMD
High bit of starting
address
Low bit of starting
address
High bit of data number
Low bit of data number
ASCII slave response message (the message
'0'
'1'
'0'
'8'
'0'
High bit of write data
'0'
'0'
Low bit of write data
'0'
'1'
High bit of data content
'2'
'A'
Low bit of data content
'B'
'3'
LRC CHK Hi
'A'
LRC CHK Lo
CR
LF
ASCII slave response message (the message
': '
'0'
'2'
'1'
'0'
'0'
High bit of starting
'0'
'0'
Low bit of starting
'4'
'0'
High bit of data number
'0'
'0'
Low bit of data number
'2'
-137-
Communication protocol
sent by the VFD to the master)
ADDR
CMD
address
address
END Hi
END Lo
sent by the VFD to the master)
START
ADDR
CMD
address
address
'0'
'1'
'0'
'8'
'0'
'0'
'0'
'0'
'1'
'2'
'A'
'B'
'3'
'A'
CR
LF
': '
'0'
'2'
'1'
'0'
'0'
'0'
'0'
'4'
'0'
'0'
'0'
'2'