Goodrive20-EU Series VFD
Communication protocol
-140-
ASCII mode:
The command sent to the VFD:
VFD
address
Write
command
Parameters
address
Parameter
data
LRC
check
If the operation succeeds, the response message is as follows:
VFD
address
Write
command
Parameters
address
Parameter
data
LRC
check
7.5.3 Examples of continously writing command 10H
Example 1: Make the VFD whose address is 01H run forward at 10Hz. See section 7.4.2
"Description of other function addresses in Modbus", the address of "Communication-based
control command" is 2000H, and 0001H indicates forward running. The address of
"Communication-based frequency setting" is 2001H and 10Hz corresponds to 03E8H. See the
table below.
Function
Address
Data description
R/W
characteristics
Communication-based
control command
2000H
0001H: Forward running
R/W
0002H: Reverse running
0003H: Forward jogging
0004H: Reverse jogging
0005H: Stop
0006H: Coast to stop (emergency
stop)
0007H: Fault reset
0008H: Jogging stop
The address of
communication setting
2001H
Communication-based
frequency
setting (0
–Fmax (unit: 0.01Hz))
R/W
2002H
PID reference, range (0
–1000, 1000
corresponds to100.0% )
RTU mode:
The command sent to the VFD:
VFD
address
Continuous
writing
command
Parameters
address
CRC check
Byte
number
Forward
running
10Hz
Data
number
Содержание Goodrive20-EU VFD Series
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