TECHTOP TD20 Series Product Manual page 110

TD20 Series VFD
Function
Name
code
Hibernation restore
P01.20
delay time
P01.21 Restart after power off
If there is one figure behind the radix point in the setting range or the default value, then the fieldbus ratio
value is 10. if the data received by the upper monitor is 50, then the "hibernation restore delay time" is
5.0 (5.0=50÷ 10).
If Modbus communication is used to control the hibernation restore delay time as 5.0s. Firstly, 5.0 can be
magnified by 10 times to integer 50 (32H) and then this data can be sent.
VFD
address
After the VFD receives the command, it will change 50 into 5 according to the fieldbus ratio value and
then set the hibernation restore delay time as 5s.
Another example, after the upper monitor sends the command of reading the parameter of hibernation
restore delay time ,if the response message of the VFD is as following:
VFD
address
Because the parameter data is 0032H (50) and 50 divided by 10 is 5, then the hibernation restore delay
time is 5s.
7.3.7 Fault message response
There may be fault in the communication control. For example, some parameter can only be read. If a
writing message is sent, the VFD will return a fault response message.
The fault message is from the VFD to the master, its code and meaning is as below:
Code Name
01H Illegal command
Illegal data
02H
address.
03H Illegal value
Detailed instruction of parameters
Setting range: 0.0–3600.0s (valid when
P01.19=2)
0: Disabled
1: Enabled,
Read Parameters
address
command
Read 2-byte
command
data
The command from master cannot be executed. The reason
maybe:
1. This command is only for new version and this version cannot
realize.
2. Slave is in fault state and cannot execute it.
Some of the operation addresses are invalid or not allowed to
access. Especially the combination of the register and the
transmitting bytes are invalid.
When there are invalid data in the message framed received by
slave.
Note: This error code does not indicate the data value to write
Data number
Parameters
data
Meaning
-108-
Communication Protocol
Default
Modify
value
0.0s
0
CRC check
CRC check
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