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8. Cautions
1. For the command codes 0x10 and 0x43, when writing several function code parameters of the drive
continually, if the writing operation of any function code is invalid (for example, the parameter value is invalid,
the parameter cannot be changed, etc.), the error message will be returned and none of the parameters can
be changed; when writing several control parameters, if the writing operation of any parameter is invalid (for
example, the parameter value is invalid, the parameter cannot be changed, etc.), the operation will return from
the storage address of the first fault, this parameter and its following parameters cannot be changed normally,
but the parameters before it can be written normally and the error message will be returned.
2. For some special function codes, 0x06 and 0x41 have the same function, and 0x10 and 0x43 have the
same function. When operating, power on again after power off, the parameters will be saved. These function
codes are as show in the following table:
Function code Function description
P00.03 Parameter protection setting
P02.01 Motor selection
P09.00~P09.07 Input terminals X1~ X8 function selection
P02.04 Main reference frequency selection
P02.06 Main reference & auxiliary reference frequency control
P13.16 PLC running mode
P03.00 Rated power of motor 1
P03.12 Rated power of motor 2
P03.04 Rated rotating speed of motor 1
P03.16 Rated rotating speed of motor 2
P98.06 Drive series selection (manufacturer parameters)
3. Some control parameters cannot be stored into the nonvolatile memory cell. So for these parameters, the
command codes 0x41 and 0x06 have the same operation effect, as well as 0x43 and 0x10, that is, write
operation. Once power on again after power off, the parameters will not be saved. Please refer to the control
parameter table for details.
4. Some internal parameters of MV600 drive are reserved, which cannot be modified through the
communication setting. These parameters are as show in the following table:
Function code Function description
P00.00 Menu mode selection
P00.06 Parameter copy
P03.24 Motor parameter auto-tuning
5. The operation of the host device on the user password
1) Managing the read/write and function codes of function code parameters of the user password protection
(except for “read the address of the data displayed” and “display the data switching”).
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