GD310-UL series VFD
Communication protocol
-206-
The command sent to the VFD:
Read
command
VFD
address
CRC check
Parameters
address
Data number
If the response message is as below:
Read
command
Parameters
address
Data number
CRC check
VFD
address
The data content is 0003H. From the table 1, the VFD stops.
Watch
“Type of the present fault” to “Type of the last but four fault” of the VFD through commands, the
corresponding function code is P07.27
–P07.32 and corresponding parameter address is
071BH
–0720H (there are 6 from 071BH).
The command sent to the VFD:
VFD
address
Read
command
Starting
address
6
parameters
CRC check
If the response message is as below:
VDF
address
Read
command
Byte
number
Type of
present fault
Type of the
last fault
Type of the
last but one
fault
CRC check
Type of the
last but two
fault
Type of the
last but three
fault
Type of the
last but four
fault
See from the returned data, all fault types are 0023H (decimal 35) with the meaning of maladjustment
(STo).
10.4.8.2 Example of writing command 06H
Make the VFD with the address of 03H to run forward. See table 1, the
address of “communication
control command” is 2000H and forward running is 0001. See the table below.
Function instruction
Address
definition
Data meaning instruction
R/W characteristics
Communication
control command
2000H
0001H: forward running
R/W
0002H: reverse running
0003H: forward jogging
0004H: reverse jogging
0005H: stop
0006H: coast to stop
0007H: fault reset
0008H: jogging stop
Содержание GD310-011P-4-UL
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