Goodrive300-01A series VFD for air compressor
Communication protocol
-175-
Function
description
Address
definition
Data meaning
R/W
characteristics
Read current
step number of
multi-step
speed
3012H
R
External length
value
3013H
R
External
counting value
3014H
R
The set torque
value
3015H
R
VFD
identification
code
3016H
R
Fault code
5000H
R
Error message response
Table D-2 Error message response and meaning
Code
Name
Meaning
01H
Illegal
command
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.
02H
Illegal
data
address.
Some of the operation addresses are invalid or not allowed to
access. Especially the combination of the register and the
transmitting bytes are invalid.
03H
Illegal
data value
When there are invalid data in the message framed received by
slave.
Note:
This error code does not indicate the data value to write
exceed the range, but indicate the message frame is an illegal
frame.
04H
Operation
failed
The parameter setting in parameter writing is invalid. For example,
the function input terminal cannot be set repeatedly.
05H
Password
error
The password written to the password check address is not same
as the password set by P07.00.
06H
Data
frame
In the frame message sent by the upper computer, the length of the
digital frame is incorrect or the counting of CRC check bit in RTU is
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