Megmeet MV600 Series User Manual

246
The application-layer protocol data units are as follows.
Request format:
Application-layer protocol data unit Data length (number of bytes) Value or range
Command code 1 0x42
Sub-command code 2
0x0000~0x0008
Data 2 Depends on the drive type
If the operation is successful, the response frame is as follows:
Application-layer protocol data unit Data length (number of bytes) Value or range
Command code 1 0x42
Sub-command code 2 0x0000~0x0008
Data 2 or 4 0x00000000~0xFFFFFFFF
If the operation request is failed, the response will be error code and exception code. If the operation is failed,
the abnormal response will occur. Please refer to the above text for the abnormal response codes.
The values and meanings of sub-command codes supported by the function code management are as shown
in the following table:
Sub-command
code
Data (request) Data (response) Function
0x0000
The parameter group number and
group internal index occupies the
high byte and the low byte
respectively
The upper limit value of the
parameter (4-byte)
Read the upper limit value of the
parameter (the status parameter does
not support this)
0x0001
The parameter group number and
group internal index occupies the
high byte and the low byte
respectively
The lower limit value of the
parameter (4-byte)
Read the lower limit value of the
parameter (the status parameter does
not support this)
0x0002
The parameter group number and
group internal index occupies the
high byte and the low byte
respectively
Parameter features (refer
to the list of parameter
features for their detailed
meanings)
Read the features of the function code
parameter (the control parameter and
status parameter do not support this)
0x0003
The parameter group number
occupies the high byte and the low
byte is “00”.
Number of parameters in
this group
Read the number of parameters in this
group
0x0004
The parameter group number
occupies the high byte and the low
byte is “00”.
The high byte is the group
number of next parameter
group and the low byte is
“00”
Read the group number of next
parameter group
0x0005
The parameter group number The high byte is the group Read the group number of previous

Megmeet MV600 Series Specifications

General

Brand	Megmeet
Model	MV600 Series
Category	DC Drives
Language	English