E00.03
(E00.03) is 100. 100Hz timed by 100 is 10000 and the corresponding hex is 2710H.
Communication Protocol
146
The command sent to the VFD:
Parameters
address
VFD
address
Write
command
LRC
check
Data
number
If the response message is as below:
Parameters
address
VFD
address
Write
command
LRC
check
Data
number
Example 2: set the max. output frequency of the VFD with the address of 03H as100Hz.
Function
code
Name
Details
Setting range
Default
value
Modify
Max
output
frequency
E00.04
–
600.00Hz
(400.00Hz)
10.00
–
600.00
50.00Hz
◎
See the figures behind the radix point, the fieldbus ratio value of the max. output frequency
RTU mode:
The command sent by the master:
Parameters
address
VFD
address
Write
command
CRC check
Forward running
If the operation is successful, the response may be as below (the same with the command sent by
the master):
Parameters
address
VFD
address
Write
command
CRC check
Forward running
ASCII mode:
The command sent to the VFD:
VFD
address
Write
command
Parameters
address
Data
number
LRC
check
If the response message is as below:
VFD
address
Write
command
Parameters
address
Data
number
LRC
check
9.6.3 Example of continuous writing command 10H
Example 1: make the VFD whose address is 01H run forward at 10Hz. Refer to the instruction of
2000H and 0001. Set the address of "communication setting frequency" is 2001H and 10Hz
corresponds to 03E8H. 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