TD20 Series VFD
Communication Protocol
-112-
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
0005H: stop
0006H: coast to stop (emergency stop)
0007H: fault reset
0008H: jogging stop
The address of
communication
setting
2001H
Communication setting frequency (0
–Fmax
(unit: 0.01Hz))
R/W
2002H
PID given, range (0
–1000, 1000
corresponds to100.0%)
Set P00.01 to 2 and P00.06 to 8.
The command sent to the VFD:
VFD
address
Continuous
writing
command
Parameters
address
CRC check
Byte
number
Forward
running
10Hz
Data
number
If the response message is as below:
Continuous
writing
command
VFD
address
Parameters
address
CRC check
Data
number
Example 2: set the ACC time of 01H VFD as 10s and the DEC time as 20s
Function
code
Name
Detailed instruction of parameters
Default
value
Modify
P00.11
ACC time 1
ACC time means the time needed if the VFD speeds up
from 0Hz to the Max. One (P00.03).
DEC time means the time needed if the VFD speeds
down from the Max. Output frequency to 0Hz (P00.03).
TD20 series VFDs have four groups of ACC/DEC time
which can be selected by P05. The factory default
ACC/DEC time of the VFD is the first group.
Setting range of P00.11 and P00.12: 0.0
–3600.0s
Depend
on
model
○
P00.12
DEC time 1
Depend
on
model
○
The corresponding address of P00.11 is 000B, the ACC time of 10s corresponds to 0064H, and the DEC
time of 20s corresponds to 00C8H.
The command sent to the VFD:
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